In the following table, you can find all major IP addresses blocks allocated for Italy.
Most of these IP blocks are assigned for Internet providers and hosting companies.
You can click the column header in order to sort the list by another field.
If you want to find the IP addresses blocks of other countries, click here.
If you want to download this IP addresses list in comma-separated values file (csv), click here.
| 150.146.0.0 | 150.146.255.255 | 65536 | 16/05/91 | |
| 150.145.0.0 | 150.145.255.255 | 65536 | 16/05/91 | |
| 150.178.0.0 | 150.178.255.255 | 65536 | 24/05/91 | |
| 151.85.0.0 | 151.85.255.255 | 65536 | 13/05/91 | |
| 157.138.0.0 | 157.138.199.255 | 51200 | 07/04/04 | |
| 151.3.0.0 | 151.79.255.255 | 5046272 | 13/05/91 | |
| 151.86.0.0 | 151.86.255.255 | 65536 | 13/05/91 | |
| 178.219.64.0 | 178.219.79.255 | 4096 | 25/05/10 | |
| 151.96.0.0 | 151.96.255.255 | 65536 | 27/12/95 | |
| 193.43.160.0 | 193.43.179.255 | 5120 | 30/08/95 | |
| 156.14.0.0 | 156.14.255.255 | 65536 | 01/11/91 | |
| 151.100.0.0 | 151.100.255.255 | 65536 | 04/06/91 | |
| 150.217.0.0 | 150.217.255.255 | 65536 | 11/06/91 | |
| 84.38.48.0 | 84.38.63.255 | 4096 | 18/04/06 | |
| 157.27.0.0 | 157.27.255.255 | 65536 | 07/04/04 | |
| 151.93.0.0 | 151.93.255.255 | 65536 | 13/05/91 | |
| 151.91.0.0 | 151.91.255.255 | 65536 | 13/05/91 | |
| 160.80.0.0 | 160.80.255.255 | 65536 | 05/04/04 | |
| 146.48.0.0 | 146.48.255.255 | 65536 | 16/05/98 | |
| 147.162.0.0 | 147.162.255.255 | 65536 | 01/05/91 | |
| 192.107.51.0 | 192.107.100.255 | 12800 | 06/05/91 | |
| 151.80.0.0 | 151.80.255.255 | 65536 | 13/05/91 | |
| 160.180.0.0 | 160.180.255.255 | 65536 | 05/04/04 | |
| 157.28.0.0 | 157.29.255.255 | 131072 | 07/04/04 | |
| 157.138.200.0 | 157.138.255.255 | 14336 | 07/04/04 | |
| 160.97.0.0 | 160.97.255.255 | 65536 | 05/04/04 | |
| 160.78.0.0 | 160.78.255.255 | 65536 | 05/04/04 | |
| 151.81.0.0 | 151.84.255.255 | 262144 | 13/05/91 | |
| 151.88.0.0 | 151.88.255.255 | 65536 | 13/05/91 | |
| 163.162.0.0 | 163.162.255.255 | 65536 | 21/08/92 | |
| 161.27.0.0 | 161.27.255.255 | 65536 | 01/09/93 | |
| 192.106.0.0 | 192.106.255.255 | 65536 | 01/01/93 | |
| 145.14.160.0 | 145.14.191.255 | 8192 | 01/09/93 | |
| 159.213.0.0 | 159.213.255.255 | 65536 | 05/06/92 | |
| 159.210.0.0 | 159.210.255.255 | 65536 | 01/09/93 | |
| 159.149.0.0 | 159.149.255.255 | 65536 | 15/06/92 | |
| 151.89.0.0 | 151.89.255.255 | 65536 | 18/03/93 | |
| 160.220.0.0 | 160.220.255.255 | 65536 | 05/04/93 | |
| 151.97.0.0 | 151.97.255.255 | 65536 | 07/07/93 | |
| 151.90.0.0 | 151.90.255.255 | 65536 | 18/03/93 | |
| 161.147.0.0 | 161.147.255.255 | 65536 | 01/09/93 | |
| 160.66.0.0 | 160.66.255.255 | 65536 | 01/09/93 | |
| 164.130.0.0 | 164.130.255.255 | 65536 | 17/03/93 | |
| 151.92.0.0 | 151.92.255.255 | 65536 | 01/09/93 | |
| 193.42.64.0 | 193.42.95.255 | 8192 | 14/12/94 | |
| 193.43.48.0 | 193.43.63.255 | 4096 | 26/08/94 | |
| 168.202.0.0 | 168.202.255.255 | 65536 | 22/06/94 | |
| 155.253.0.0 | 155.253.255.255 | 65536 | 11/12/91 | |
| 155.185.0.0 | 155.185.255.255 | 65536 | 20/11/91 | |
| 192.135.8.0 | 192.135.37.255 | 7680 | 21/11/91 | |
| 156.54.0.0 | 156.54.255.255 | 65536 | 09/12/91 | |
| 158.47.0.0 | 158.47.255.255 | 65536 | 12/02/92 | |
| 158.102.0.0 | 158.102.255.255 | 65536 | 24/02/92 | |
| 158.110.0.0 | 158.110.255.255 | 65536 | 25/02/92 | |
| 193.43.192.0 | 193.43.207.255 | 4096 | 25/11/93 | |
| 156.148.0.0 | 156.148.255.255 | 65536 | 07/02/92 | |
| 193.42.160.0 | 193.42.209.255 | 12800 | 09/03/94 | |
| 164.142.0.0 | 164.142.255.255 | 65536 | 18/02/94 | |
| 131.114.0.0 | 131.114.255.255 | 65536 | 15/11/88 | |
| 131.154.0.0 | 131.154.255.255 | 65536 | 29/11/88 | |
| 131.175.0.0 | 131.175.255.255 | 65536 | 19/12/88 | |
| 130.186.0.0 | 130.186.31.255 | 8192 | 14/09/88 | |
| 130.186.64.0 | 130.186.127.255 | 16384 | 14/09/88 | |
| 130.251.0.0 | 130.251.255.255 | 65536 | 27/10/88 | |
| 139.128.0.0 | 139.128.255.255 | 65536 | 16/03/90 | |
| 140.105.0.0 | 140.105.255.255 | 65536 | 19/04/90 | |
| 140.164.0.0 | 140.164.255.255 | 65536 | 07/05/90 | |
| 137.204.0.0 | 137.204.255.255 | 65536 | 03/01/90 | |
| 138.41.0.0 | 138.41.255.255 | 65536 | 31/01/90 | |
| 138.66.0.0 | 138.66.255.255 | 65536 | 07/02/90 | |
| 130.192.64.0 | 130.192.95.255 | 8192 | 17/03/88 | |
| 130.192.192.0 | 130.192.223.255 | 8192 | 17/03/88 | |
| 130.192.96.0 | 130.192.159.255 | 16384 | 17/03/88 | |
| 149.132.0.0 | 149.132.255.255 | 65536 | 01/01/84 | |
| 151.87.0.0 | 151.87.255.255 | 65536 | 01/01/84 | |
| 151.95.0.0 | 151.95.255.255 | 65536 | 01/01/84 | |
| 130.192.224.0 | 130.192.239.255 | 4096 | 17/03/88 | |
| 130.136.0.0 | 130.136.255.255 | 65536 | 15/08/88 | |
| 131.1.0.0 | 131.1.255.255 | 65536 | 19/08/88 | |
| 130.192.176.0 | 130.192.191.255 | 4096 | 17/03/88 | |
| 130.192.0.0 | 130.192.63.255 | 16384 | 17/03/88 | |
| 130.192.240.0 | 130.192.255.255 | 4096 | 17/03/88 | |
| 192.84.127.0 | 192.84.156.255 | 7680 | 31/10/90 | |
| 146.100.0.0 | 146.100.255.255 | 65536 | 05/02/91 | |
| 141.108.0.0 | 141.108.255.255 | 65536 | 12/07/90 | |
| 141.250.0.0 | 141.250.255.255 | 65536 | 22/08/90 | |
| 149.139.0.0 | 149.139.255.255 | 65536 | 24/04/91 | |
| 147.163.0.0 | 147.163.255.255 | 65536 | 01/05/91 | |
| 146.133.0.0 | 146.133.255.255 | 65536 | 08/02/91 | |
| 147.122.0.0 | 147.122.255.255 | 65536 | 01/04/91 | |
| 138.132.0.0 | 138.132.255.255 | 65536 | 21/05/90 | |
| 143.225.0.0 | 143.225.255.255 | 65536 | 30/06/90 | |
| 109.239.240.0 | 109.239.255.255 | 4096 | 18/02/10 | 2Bite s.r.l. |
| 81.88.240.0 | 81.88.255.255 | 4096 | 30/08/05 | A2A Smart City S.P.A |
| 85.88.192.0 | 85.88.223.255 | 8192 | 29/10/04 | A2A Smart City S.P.A |
| 195.206.0.0 | 195.206.31.255 | 8192 | 11/07/96 | A2A Smart City S.P.A |
| 82.115.160.0 | 82.115.191.255 | 8192 | 16/01/04 | A2A Smart City S.P.A |
| 81.88.224.0 | 81.88.239.255 | 4096 | 20/06/02 | A2A Smart City S.P.A |
| 212.38.32.0 | 212.38.63.255 | 8192 | 01/03/99 | A2A Smart City S.P.A |
| 217.146.192.0 | 217.146.207.255 | 4096 | 19/12/08 | A2A Smart City S.P.A |
| 212.28.160.0 | 212.28.191.255 | 8192 | 23/03/99 | Abaco Informatica S.r.l. |
| 77.89.0.0 | 77.89.63.255 | 16384 | 21/03/07 | Acantho S.p.a |
| 83.216.160.0 | 83.216.191.255 | 8192 | 26/02/04 | Acantho S.p.a |
| 213.174.160.0 | 213.174.191.255 | 8192 | 11/06/01 | Acantho S.p.a |
| 86.110.128.0 | 86.110.159.255 | 8192 | 19/07/05 | Acantho S.p.a |
| 213.209.192.0 | 213.209.255.255 | 16384 | 14/11/02 | Acantho S.p.a |
| 62.85.160.0 | 62.85.191.255 | 8192 | 04/02/02 | Aconet Srl |
| 77.242.32.0 | 77.242.47.255 | 4096 | 23/02/07 | AGESCI - Associazione Guide e Scout Cattolici Italiani |
| 213.171.96.0 | 213.171.127.255 | 8192 | 06/11/02 | AGSM AIM Smart Solutions SRL |
| 81.201.0.0 | 81.201.15.255 | 4096 | 07/10/02 | Albedo S.r.l. |
| 92.39.144.0 | 92.39.159.255 | 4096 | 28/02/08 | Alena Net SRL |
| 80.72.160.0 | 80.72.175.255 | 4096 | 12/06/01 | ALITALIA Societa Aerea Italiana S.p.A. |
| 217.71.64.0 | 217.71.79.255 | 4096 | 21/11/00 | Allitude S.p.A. |
| 31.44.112.0 | 31.44.127.255 | 4096 | 28/02/11 | Ambrogio s.r.l. |
| 37.10.80.0 | 37.10.95.255 | 4096 | 15/12/11 | Ambrogio s.r.l. |
| 80.86.48.0 | 80.86.63.255 | 4096 | 10/05/05 | Ampersand Srl |
| 80.76.16.0 | 80.76.31.255 | 4096 | 18/02/05 | Archimedia SRL |
| 82.149.32.0 | 82.149.63.255 | 8192 | 03/08/11 | ARIA S.p.A. |
| 217.61.96.0 | 217.61.127.255 | 8192 | 01/11/00 | Aruba Business S.R.L. |
| 80.88.80.0 | 80.88.95.255 | 4096 | 26/05/05 | Aruba Business S.R.L. |
| 217.73.224.0 | 217.73.239.255 | 4096 | 15/12/00 | Aruba Business S.R.L. |
| 212.237.0.0 | 212.237.63.255 | 16384 | 25/09/98 | Aruba Business S.R.L. |
| 93.186.240.0 | 93.186.255.255 | 4096 | 16/07/08 | Aruba Business S.R.L. |
| 85.235.128.0 | 85.235.159.255 | 8192 | 11/05/05 | Aruba Business S.R.L. |
| 62.149.160.0 | 62.149.191.255 | 8192 | 27/04/01 | Aruba S.p.A. |
| 188.213.160.0 | 188.213.175.255 | 4096 | 08/05/09 | Aruba S.p.A. |
| 62.149.192.0 | 62.149.255.255 | 16384 | 27/04/01 | Aruba S.p.A. |
| 94.177.192.0 | 94.177.255.255 | 16384 | 14/08/08 | Aruba S.p.A. |
| 94.177.160.0 | 94.177.191.255 | 8192 | 14/08/08 | Aruba S.p.A. |
| 217.61.0.0 | 217.61.63.255 | 16384 | 01/11/00 | Aruba S.p.A. |
| 176.107.128.0 | 176.107.159.255 | 8192 | 27/01/12 | Aruba S.p.A. |
| 5.249.128.0 | 5.249.159.255 | 8192 | 13/09/12 | Aruba S.p.A. |
| 209.227.192.0 | 209.227.255.255 | 16384 | 31/05/00 | Aruba S.p.A. |
| 95.110.128.0 | 95.110.255.255 | 32768 | 18/12/08 | Aruba S.p.A. |
| 62.149.128.0 | 62.149.159.255 | 8192 | 01/01/00 | Aruba S.p.A. |
| 195.231.0.0 | 195.231.127.255 | 32768 | 02/12/97 | Aruba S.p.A. |
| 89.40.112.0 | 89.40.127.255 | 4096 | 29/11/05 | Aruba S.p.A. |
| 89.36.208.0 | 89.36.223.255 | 4096 | 29/11/05 | Aruba S.p.A. |
| 217.198.128.0 | 217.198.143.255 | 4096 | 11/02/11 | Aruba S.p.A. |
| 80.211.0.0 | 80.211.255.255 | 65536 | 12/12/01 | Aruba S.p.A. |
| 31.14.128.0 | 31.14.143.255 | 4096 | 18/04/11 | Aruba S.p.A. |
| 77.81.224.0 | 77.81.239.255 | 4096 | 15/02/07 | Aruba S.p.A. |
| 46.37.0.0 | 46.37.31.255 | 8192 | 03/11/10 | Aruba S.p.A. |
| 82.192.128.0 | 82.192.159.255 | 8192 | 25/09/03 | Aruba S.p.A. |
| 194.182.64.0 | 194.182.95.255 | 8192 | 14/02/96 | Aruba S.p.A. |
| 80.73.224.0 | 80.73.239.255 | 4096 | 18/06/01 | Aruba S.p.A. |
| 31.216.240.0 | 31.216.255.255 | 4096 | 10/05/11 | Asco TLC S.p.A. |
| 80.86.144.0 | 80.86.159.255 | 4096 | 11/05/05 | Asco TLC S.p.A. |
| 188.125.96.0 | 188.125.127.255 | 8192 | 07/07/09 | Asco TLC S.p.A. |
| 37.77.208.0 | 37.77.223.255 | 4096 | 03/02/12 | ASDASD srl a socio unico |
| 78.26.64.0 | 78.26.127.255 | 16384 | 03/09/07 | ASDASD srl a socio unico |
| 188.228.128.0 | 188.228.255.255 | 32768 | 29/07/09 | ASDASD srl a socio unico |
| 94.73.64.0 | 94.73.127.255 | 16384 | 08/07/08 | ASDASD srl a socio unico |
| 81.25.96.0 | 81.25.111.255 | 4096 | 22/03/02 | Associazione Vedica |
| 213.178.192.0 | 213.178.207.255 | 4096 | 20/04/00 | Axera SpA |
| 92.246.112.0 | 92.246.127.255 | 4096 | 21/04/08 | Axera SpA |
| 89.189.32.0 | 89.189.47.255 | 4096 | 23/05/06 | Axera SpA |
| 31.6.80.0 | 31.6.95.255 | 4096 | 11/04/11 | Axera SpA |
| 46.229.80.0 | 46.229.95.255 | 4096 | 14/02/11 | Axera SpA |
| 77.244.80.0 | 77.244.95.255 | 4096 | 23/03/07 | Axitea S.p.A. |
| 31.207.96.0 | 31.207.127.255 | 8192 | 02/05/11 | Azienda Pubbliservizi Brunico |
| 159.48.16.0 | 159.48.31.255 | 4096 | 06/03/92 | Azienda Pubbliservizi Brunico |
| 82.215.128.0 | 82.215.191.255 | 16384 | 21/11/03 | B.B.Bell SPA |
| 194.116.32.0 | 194.116.47.255 | 4096 | 30/11/94 | B.B.Bell SPA |
| 77.108.0.0 | 77.108.63.255 | 16384 | 16/01/07 | B.B.Bell SPA |
| 88.87.96.0 | 88.87.127.255 | 8192 | 23/02/06 | B.B.Bell SPA |
| 194.116.48.0 | 194.116.63.255 | 4096 | 30/11/94 | B.B.Bell SPA |
| 81.30.0.0 | 81.30.15.255 | 4096 | 08/05/02 | B.B.Bell SPA |
| 62.249.32.0 | 62.249.63.255 | 8192 | 28/05/03 | Banca Mediolanum S.p.A. |
| 212.102.64.0 | 212.102.95.255 | 8192 | 20/01/99 | Banca Nazionale del Lavoro S.P.A. |
| 213.218.32.0 | 213.218.63.255 | 8192 | 07/12/01 | Banca Sella Holding S.p.A. |
| 62.97.0.0 | 62.97.31.255 | 8192 | 10/07/00 | Banco BPM S.P.A |
| 217.12.128.0 | 217.12.143.255 | 4096 | 24/08/00 | BCC SISTEMI INFORMATICI S.P.A. |
| 217.149.80.0 | 217.149.95.255 | 4096 | 11/06/04 | Benetton Group S.R.L. |
| 79.141.176.0 | 79.141.191.255 | 4096 | 23/10/07 | BPER Banca SPA |
| 217.199.16.0 | 217.199.31.255 | 4096 | 27/05/03 | Brennercom S.p.A. |
| 37.186.128.0 | 37.186.191.255 | 16384 | 20/03/12 | Brennercom S.p.A. |
| 46.234.224.0 | 46.234.255.255 | 8192 | 17/02/11 | Brennercom S.p.A. |
| 89.190.160.0 | 89.190.191.255 | 8192 | 09/06/06 | Brennercom S.p.A. |
| 217.199.0.0 | 217.199.15.255 | 4096 | 07/05/01 | Brennercom S.p.A. |
| 95.171.32.0 | 95.171.63.255 | 8192 | 23/02/09 | Brennercom S.p.A. |
| 93.89.48.0 | 93.89.63.255 | 4096 | 01/04/08 | Brennercom S.p.A. |
| 84.18.128.0 | 84.18.159.255 | 8192 | 12/08/04 | Brennercom S.p.A. |
| 213.255.0.0 | 213.255.63.255 | 16384 | 23/07/99 | BT Italia S.p.A. |
| 78.4.0.0 | 78.7.255.255 | 262144 | 20/02/07 | BT Italia S.p.A. |
| 213.199.0.0 | 213.199.31.255 | 8192 | 15/02/00 | BT Italia S.p.A. |
| 217.220.0.0 | 217.220.255.255 | 65536 | 11/04/01 | BT Italia S.p.A. |
| 213.234.128.0 | 213.234.191.255 | 16384 | 04/05/00 | BT Italia S.p.A. |
| 194.185.32.0 | 194.185.63.255 | 8192 | 30/08/95 | BT Italia S.p.A. |
| 62.85.192.0 | 62.85.255.255 | 16384 | 28/09/06 | BT Italia S.p.A. |
| 62.123.0.0 | 62.123.255.255 | 65536 | 10/11/00 | BT Italia S.p.A. |
| 194.185.64.0 | 194.185.95.255 | 8192 | 24/10/95 | BT Italia S.p.A. |
| 213.213.64.0 | 213.213.127.255 | 16384 | 27/10/00 | BT Italia S.p.A. |
| 89.118.0.0 | 89.119.255.255 | 131072 | 03/05/06 | BT Italia S.p.A. |
| 85.20.0.0 | 85.20.255.255 | 65536 | 17/03/05 | BT Italia S.p.A. |
| 194.177.96.0 | 194.177.127.255 | 8192 | 21/07/95 | BT Italia S.p.A. |
| 212.239.0.0 | 212.239.127.255 | 32768 | 30/09/98 | BT Italia S.p.A. |
| 194.185.96.0 | 194.185.127.255 | 8192 | 11/03/96 | BT Italia S.p.A. |
| 194.185.0.0 | 194.185.31.255 | 8192 | 17/08/95 | BT Italia S.p.A. |
| 213.213.0.0 | 213.213.63.255 | 16384 | 10/12/99 | BT Italia S.p.A. |
| 212.17.192.0 | 212.17.223.255 | 8192 | 26/08/98 | BT Italia S.p.A. |
| 213.217.128.0 | 213.217.191.255 | 16384 | 15/06/00 | BT Italia S.p.A. |
| 213.92.0.0 | 213.92.127.255 | 32768 | 20/06/00 | BT Italia S.p.A. |
| 213.255.64.0 | 213.255.127.255 | 16384 | 09/04/01 | BT Italia S.p.A. |
| 81.174.64.0 | 81.174.127.255 | 16384 | 25/02/03 | BT Italia S.p.A. |
| 217.221.0.0 | 217.221.255.255 | 65536 | 19/11/02 | BT Italia S.p.A. |
| 194.185.128.0 | 194.185.255.255 | 32768 | 11/03/96 | BT Italia S.p.A. |
| 83.220.0.0 | 83.220.31.255 | 8192 | 29/03/04 | Burgo Group S.p.A |
| 80.71.224.0 | 80.71.239.255 | 4096 | 07/06/01 | BZSOLUTIONS SRL |
| 81.29.144.0 | 81.29.159.255 | 4096 | 28/03/06 | BZSOLUTIONS SRL |
| 80.64.112.0 | 80.64.127.255 | 4096 | 12/02/04 | Camera dei deputati |
| 95.157.64.0 | 95.157.127.255 | 16384 | 01/04/09 | CDLAN SpA |
| 217.171.32.0 | 217.171.47.255 | 4096 | 30/03/01 | CDLAN SpA |
| 217.11.0.0 | 217.11.15.255 | 4096 | 18/08/00 | CEDACRI S.P.A. |
| 193.227.64.0 | 193.227.95.255 | 8192 | 21/05/96 | CERVED GROUP S.p.A. |
| 109.238.112.0 | 109.238.127.255 | 4096 | 22/01/10 | CESENA NET S.R.L. |
| 62.220.64.0 | 62.220.79.255 | 4096 | 22/06/00 | CESENA NET S.R.L. |
| 62.220.80.0 | 62.220.95.255 | 4096 | 22/06/00 | CESENA NET S.R.L. |
| 31.3.160.0 | 31.3.191.255 | 8192 | 08/04/11 | CESENA NET S.R.L. |
| 194.242.224.0 | 194.242.255.255 | 8192 | 20/02/96 | CINECA CONSORZIO INTERUNIVERSITARIO |
| 77.242.176.0 | 77.242.191.255 | 4096 | 01/03/07 | CITTA' STUDI S.P.A. |
| 195.60.128.0 | 195.60.159.255 | 8192 | 14/10/96 | Clio S.R.L |
| 212.3.160.0 | 212.3.191.255 | 8192 | 07/03/11 | Clio S.R.L |
| 217.9.64.0 | 217.9.79.255 | 4096 | 04/08/00 | CNIT Italian National Consortium for Telecommunications |
| 81.30.16.0 | 81.30.31.255 | 4096 | 30/03/06 | Comeser S.r.l. |
| 81.93.32.0 | 81.93.47.255 | 4096 | 17/06/09 | Comeser S.r.l. |
| 93.88.32.0 | 93.88.47.255 | 4096 | 12/03/08 | Comeser S.r.l. |
| 89.221.128.0 | 89.221.143.255 | 4096 | 04/10/06 | Comifar Distribuzione S.p.A. |
| 217.170.224.0 | 217.170.239.255 | 4096 | 29/03/01 | Computer Design Srl |
| 217.31.112.0 | 217.31.127.255 | 4096 | 12/06/03 | Comune di Milano |
| 87.250.64.0 | 87.250.95.255 | 8192 | 06/09/05 | Comune di Novara |
| 109.73.80.0 | 109.73.95.255 | 4096 | 08/10/09 | Connesi s.p.a. |
| 5.154.192.0 | 5.154.223.255 | 8192 | 19/07/12 | Connesi s.p.a. |
| 89.221.144.0 | 89.221.159.255 | 4096 | 06/10/06 | Consiglio Nazionale delle Ricerche |
| 194.119.192.0 | 194.119.223.255 | 8192 | 22/03/96 | Consiglio Nazionale delle Ricerche |
| 212.189.128.0 | 212.189.255.255 | 32768 | 10/06/02 | Consortium GARR |
| 193.205.0.0 | 193.205.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 193.206.0.0 | 193.206.255.255 | 65536 | 26/07/95 | Consortium GARR |
| 192.167.0.0 | 192.167.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 193.204.0.0 | 193.204.255.255 | 65536 | 01/09/93 | Consortium GARR |
| 90.147.0.0 | 90.147.255.255 | 65536 | 05/12/06 | Consortium GARR |
| 37.203.224.0 | 37.203.239.255 | 4096 | 27/03/12 | CONSORZIO ELETTRICO DI STORO, SOCIETA COOPERATIVA |
| 94.101.48.0 | 94.101.63.255 | 4096 | 11/08/08 | Convergenze S.p.A. |
| 89.21.192.0 | 89.21.223.255 | 8192 | 12/05/10 | Convergenze S.p.A. |
| 93.88.96.0 | 93.88.111.255 | 4096 | 18/03/08 | Convergenze S.p.A. |
| 80.252.192.0 | 80.252.207.255 | 4096 | 11/12/01 | Credito Emiliano S.p.A. |
| 212.7.64.0 | 212.7.95.255 | 8192 | 10/07/98 | CRIF S.p.A. |
| 212.112.64.0 | 212.112.95.255 | 8192 | 25/01/99 | Critical Case s.r.l |
| 84.240.128.0 | 84.240.191.255 | 16384 | 03/06/04 | CSI Piemonte |
| 80.67.112.0 | 80.67.127.255 | 4096 | 14/07/04 | cwnet s.r.l. |
| 80.249.32.0 | 80.249.47.255 | 4096 | 15/01/09 | cwnet s.r.l. |
| 87.238.0.0 | 87.238.31.255 | 8192 | 28/11/05 | cwnet s.r.l. |
| 81.24.224.0 | 81.24.239.255 | 4096 | 19/03/02 | Deda Cloud SRL |
| 62.205.0.0 | 62.205.31.255 | 8192 | 03/03/08 | Dev Italia srl |
| 217.65.64.0 | 217.65.79.255 | 4096 | 01/11/00 | Digital Bros. S.p.A. |
| 217.112.96.0 | 217.112.111.255 | 4096 | 20/03/09 | Digital Telecommunication Services S.r.l. |
| 92.63.224.0 | 92.63.239.255 | 4096 | 18/02/08 | Digitalreti srl |
| 80.252.224.0 | 80.252.239.255 | 4096 | 11/12/01 | Easynet S.p.A. |
| 88.80.64.0 | 88.80.95.255 | 8192 | 25/11/05 | Editoriale Bresciana SpA |
| 194.246.0.0 | 194.246.31.255 | 8192 | 29/02/96 | Electrolux Italia SpA |
| 176.65.80.0 | 176.65.95.255 | 4096 | 10/06/11 | Elsynet S.r.l. |
| 217.172.0.0 | 217.172.15.255 | 4096 | 03/04/01 | Engineering D.HUB S.p.A. |
| 77.241.208.0 | 77.241.223.255 | 4096 | 14/02/07 | Engineering D.HUB S.p.A. |
| 213.175.0.0 | 213.175.31.255 | 8192 | 18/01/00 | Enterprise Services Italia S.R.L |
| 84.33.64.0 | 84.33.127.255 | 16384 | 19/08/04 | EOLO S.p.A. |
| 128.116.128.0 | 128.116.255.255 | 32768 | 24/03/86 | EOLO S.p.A. |
| 5.157.96.0 | 5.157.127.255 | 8192 | 25/07/12 | EOLO S.p.A. |
| 84.33.128.0 | 84.33.191.255 | 16384 | 19/08/04 | EOLO S.p.A. |
| 49.236.0.0 | 49.236.63.255 | 16384 | 29/11/10 | EOLO S.p.A. |
| 216.247.128.0 | 216.247.191.255 | 16384 | 21/10/99 | EOLO S.p.A. |
| 212.124.160.0 | 212.124.191.255 | 8192 | 14/07/99 | EOLO S.p.A. |
| 146.241.0.0 | 146.241.255.255 | 65536 | 03/03/93 | EOLO S.p.A. |
| 81.174.0.0 | 81.174.63.255 | 16384 | 25/02/03 | EOLO S.p.A. |
| 88.147.0.0 | 88.147.127.255 | 32768 | 06/01/06 | EOLO S.p.A. |
| 78.134.0.0 | 78.134.127.255 | 32768 | 12/06/07 | EOLO S.p.A. |
| 88.149.128.0 | 88.149.255.255 | 32768 | 20/01/06 | EOLO S.p.A. |
| 77.32.0.0 | 77.32.127.255 | 32768 | 13/12/06 | EOLO S.p.A. |
| 147.53.128.0 | 147.53.255.255 | 32768 | 27/06/91 | EOLO S.p.A. |
| 83.149.128.0 | 83.149.191.255 | 16384 | 15/03/04 | ESTRACOM SPA |
| 80.68.192.0 | 80.68.207.255 | 4096 | 25/05/01 | EUR TEL S.r.l. |
| 195.96.192.0 | 195.96.223.255 | 8192 | 27/05/97 | FASTNET SpA |
| 85.18.0.0 | 85.18.255.255 | 65536 | 14/03/05 | Fastweb SpA |
| 83.103.0.0 | 83.103.127.255 | 32768 | 08/03/04 | Fastweb SpA |
| 2.224.0.0 | 2.239.255.255 | 1048576 | 30/12/10 | Fastweb SpA |
| 213.156.32.0 | 213.156.63.255 | 8192 | 24/11/00 | Fastweb SpA |
| 93.32.0.0 | 93.63.255.255 | 2097152 | 25/02/08 | Fastweb SpA |
| 92.223.128.0 | 92.223.255.255 | 32768 | 17/10/07 | Fastweb SpA |
| 89.96.0.0 | 89.97.255.255 | 131072 | 13/02/06 | Fastweb SpA |
| 151.0.128.0 | 151.0.255.255 | 32768 | 06/01/12 | Fastweb SpA |
| 213.140.0.0 | 213.140.31.255 | 8192 | 13/12/99 | Fastweb SpA |
| 81.208.0.0 | 81.208.127.255 | 32768 | 01/10/02 | Fastweb SpA |
| 37.186.192.0 | 37.186.255.255 | 16384 | 20/03/12 | Fastweb SpA |
| 62.101.64.0 | 62.101.127.255 | 16384 | 19/07/01 | Fastweb SpA |
| 83.139.224.0 | 83.139.239.255 | 4096 | 07/09/04 | Fiberwide S.p.a. |
| 46.20.80.0 | 46.20.95.255 | 4096 | 23/09/10 | Fiberwide S.p.a. |
| 95.143.96.0 | 95.143.111.255 | 4096 | 24/08/09 | FISPA s.r.l. |
| 217.77.80.0 | 217.77.95.255 | 4096 | 10/10/03 | FONDAZIONE BRUNO KESSLER |
| 212.47.32.0 | 212.47.63.255 | 8192 | 15/03/99 | General Software s.r.l. |
| 92.246.32.0 | 92.246.63.255 | 8192 | 16/04/08 | Generali Operations Service Platform S.r.l. |
| 212.54.240.0 | 212.54.255.255 | 4096 | 08/10/99 | Gianluca Sironi |
| 176.62.48.0 | 176.62.63.255 | 4096 | 08/06/11 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 77.39.192.0 | 77.39.207.255 | 4096 | 28/03/07 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 212.66.96.0 | 212.66.127.255 | 8192 | 08/11/99 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." |
| 5.133.48.0 | 5.133.63.255 | 4096 | 05/07/12 | GO Internet S.p.A |
| 82.119.192.0 | 82.119.223.255 | 8192 | 17/02/04 | GTT Communications Italy S.R.L. |
| 217.22.224.0 | 217.22.239.255 | 4096 | 04/10/00 | GTT Communications Italy S.R.L. |
| 217.22.240.0 | 217.22.255.255 | 4096 | 26/07/02 | GTT Communications Italy S.R.L. |
| 88.81.160.0 | 88.81.191.255 | 8192 | 13/12/05 | GTT Communications Italy S.R.L. |
| 77.242.128.0 | 77.242.143.255 | 4096 | 01/03/07 | HAL Service SpA |
| 95.169.64.0 | 95.169.95.255 | 8192 | 20/01/09 | HelloTel Telecomunicazioni srl |
| 81.31.144.0 | 81.31.159.255 | 4096 | 11/04/06 | Host SpA |
| 85.239.160.0 | 85.239.191.255 | 8192 | 20/06/05 | IFOM Fondazione |
| 217.113.208.0 | 217.113.223.255 | 4096 | 20/11/03 | IN.VA. S.p.A. |
| 217.147.144.0 | 217.147.159.255 | 4096 | 06/05/04 | IN.VA. S.p.A. |
| 84.33.0.0 | 84.33.63.255 | 16384 | 19/08/04 | INCUBATEC GmbH - Srl |
| 84.33.192.0 | 84.33.255.255 | 16384 | 19/08/04 | INCUBATEC GmbH - Srl |
| 217.70.144.0 | 217.70.159.255 | 4096 | 29/07/03 | INCUBATEC GmbH - Srl |
| 80.82.0.0 | 80.82.15.255 | 4096 | 24/07/01 | InfoCamere SCpA |
| 62.101.0.0 | 62.101.31.255 | 8192 | 10/07/00 | Informatica Alto Adige Spa |
| 194.177.64.0 | 194.177.95.255 | 8192 | 26/03/99 | Infotech S.r.l |
| 85.116.224.0 | 85.116.255.255 | 8192 | 16/03/05 | Inrete s.r.l |
| 85.89.128.0 | 85.89.159.255 | 8192 | 03/11/04 | Inrete s.r.l |
| 195.72.192.0 | 195.72.223.255 | 8192 | 03/04/97 | Intercom s.r.l. |
| 217.171.160.0 | 217.171.175.255 | 4096 | 02/04/01 | Intesa Sanpaolo S.p.A. |
| 62.128.64.0 | 62.128.95.255 | 8192 | 16/06/00 | Intesa Sanpaolo S.p.A. |
| 151.94.0.0 | 151.94.255.255 | 65536 | 13/05/91 | Intesa Sanpaolo S.p.A. |
| 62.221.160.0 | 62.221.191.255 | 8192 | 22/04/02 | Intesa Sanpaolo S.p.A. |
| 80.254.192.0 | 80.254.207.255 | 4096 | 19/12/01 | Intesa Sanpaolo S.p.A. |
| 217.118.144.0 | 217.118.159.255 | 4096 | 11/02/04 | Intesa Sanpaolo S.p.A. |
| 80.76.80.0 | 80.76.95.255 | 4096 | 21/02/05 | INTRED S.P.A. |
| 62.97.32.0 | 62.97.63.255 | 8192 | 27/11/02 | INTRED S.P.A. |
| 178.19.144.0 | 178.19.159.255 | 4096 | 19/05/10 | INTRED S.P.A. |
| 91.187.192.0 | 91.187.223.255 | 8192 | 29/11/06 | INTRED S.P.A. |
| 212.165.32.0 | 212.165.63.255 | 8192 | 01/05/02 | INTRED S.P.A. |
| 212.183.160.0 | 212.183.191.255 | 8192 | 04/09/00 | INTRED S.P.A. |
| 5.172.64.0 | 5.172.95.255 | 8192 | 30/07/12 | INTRED S.P.A. |
| 82.143.0.0 | 82.143.63.255 | 16384 | 11/09/03 | ip telecom srl |
| 46.37.224.0 | 46.37.255.255 | 8192 | 19/11/10 | ip telecom srl |
| 94.185.96.0 | 94.185.127.255 | 8192 | 15/09/11 | Ipkom Srl |
| 82.213.64.0 | 82.213.127.255 | 16384 | 22/10/03 | IREN ENERGIA S.P.A |
| 94.74.0.0 | 94.74.63.255 | 16384 | 11/07/08 | IREN ENERGIA S.P.A |
| 89.184.96.0 | 89.184.127.255 | 8192 | 30/03/06 | IREN ENERGIA S.P.A |
| 46.233.128.0 | 46.233.191.255 | 16384 | 24/02/11 | IREN ENERGIA S.P.A |
| 212.91.64.0 | 212.91.95.255 | 8192 | 15/01/07 | IRIDEOS S.P.A. |
| 77.246.0.0 | 77.246.15.255 | 4096 | 07/05/07 | IRIDEOS S.P.A. |
| 89.186.64.0 | 89.186.95.255 | 8192 | 18/04/06 | IRIDEOS S.P.A. |
| 194.242.192.0 | 194.242.223.255 | 8192 | 15/02/96 | IRIDEOS S.P.A. |
| 217.15.208.0 | 217.15.223.255 | 4096 | 24/12/02 | IRIDEOS S.P.A. |
| 83.211.0.0 | 83.211.255.255 | 65536 | 11/03/04 | IRIDEOS S.P.A. |
| 5.150.128.0 | 5.150.143.255 | 4096 | 17/07/12 | IRIDEOS S.P.A. |
| 80.74.176.0 | 80.74.191.255 | 4096 | 08/04/03 | IRIDEOS S.P.A. |
| 217.26.80.0 | 217.26.95.255 | 4096 | 15/04/03 | IRIDEOS S.P.A. |
| 77.93.224.0 | 77.93.255.255 | 8192 | 24/05/07 | IRIDEOS S.P.A. |
| 77.94.80.0 | 77.94.95.255 | 4096 | 29/05/07 | IRIDEOS S.P.A. |
| 109.168.0.0 | 109.168.127.255 | 32768 | 02/11/09 | IRIDEOS S.P.A. |
| 217.12.176.0 | 217.12.191.255 | 4096 | 26/11/02 | IRIDEOS S.P.A. |
| 195.62.224.0 | 195.62.255.255 | 8192 | 28/11/97 | IRIDEOS S.P.A. |
| 81.27.176.0 | 81.27.191.255 | 4096 | 13/03/06 | IRIDEOS S.P.A. |
| 213.136.128.0 | 213.136.159.255 | 8192 | 19/01/00 | IRIDEOS S.P.A. |
| 212.97.32.0 | 212.97.63.255 | 8192 | 29/06/99 | IRIDEOS S.P.A. |
| 81.92.32.0 | 81.92.47.255 | 4096 | 26/07/02 | IRIDEOS S.P.A. |
| 52.144.64.0 | 52.144.95.255 | 8192 | 19/12/91 | IRIDEOS S.P.A. |
| 213.183.128.0 | 213.183.159.255 | 8192 | 21/02/00 | IRIDEOS S.P.A. |
| 88.86.160.0 | 88.86.191.255 | 8192 | 15/02/06 | IRIDEOS S.P.A. |
| 217.11.80.0 | 217.11.95.255 | 4096 | 21/11/02 | IRIDEOS S.P.A. |
| 194.244.0.0 | 194.244.255.255 | 65536 | 15/02/96 | IRIDEOS S.P.A. |
| 80.247.64.0 | 80.247.79.255 | 4096 | 12/11/01 | IRIDEOS S.P.A. |
| 128.65.112.0 | 128.65.127.255 | 4096 | 06/10/11 | IRIDEOS S.P.A. |
| 194.153.192.0 | 194.153.207.255 | 4096 | 09/05/00 | IRIDEOS S.P.A. |
| 94.141.0.0 | 94.141.31.255 | 8192 | 04/12/08 | IRIDEOS S.P.A. |
| 212.29.128.0 | 212.29.159.255 | 8192 | 27/05/98 | IRIDEOS S.P.A. |
| 194.21.0.0 | 194.21.63.255 | 16384 | 01/09/93 | IRIDEOS S.P.A. |
| 194.21.128.0 | 194.21.191.255 | 16384 | 01/09/93 | IRIDEOS S.P.A. |
| 195.78.192.0 | 195.78.223.255 | 8192 | 22/04/97 | IRIDEOS S.P.A. |
| 195.43.160.0 | 195.43.191.255 | 8192 | 04/02/97 | IRIDEOS S.P.A. |
| 82.193.0.0 | 82.193.31.255 | 8192 | 01/10/03 | IRIDEOS S.P.A. |
| 213.136.160.0 | 213.136.191.255 | 8192 | 20/10/00 | IRIDEOS S.P.A. |
| 62.173.160.0 | 62.173.191.255 | 8192 | 12/03/02 | IRIDEOS S.P.A. |
| 94.138.32.0 | 94.138.63.255 | 8192 | 05/09/08 | IRIDEOS S.P.A. |
| 213.21.128.0 | 213.21.191.255 | 16384 | 23/10/00 | IRIDEOS S.P.A. |
| 213.203.128.0 | 213.203.191.255 | 16384 | 29/08/00 | IRIDEOS S.P.A. |
| 217.29.160.0 | 217.29.175.255 | 4096 | 20/10/00 | IRIDEOS S.P.A. |
| 178.239.176.0 | 178.239.191.255 | 4096 | 03/09/10 | IRIDEOS S.P.A. |
| 87.248.32.0 | 87.248.63.255 | 8192 | 10/08/05 | IRIDEOS S.P.A. |
| 213.149.192.0 | 213.149.223.255 | 8192 | 11/03/08 | IRIDEOS S.P.A. |
| 213.198.128.0 | 213.198.191.255 | 16384 | 16/05/00 | IRIDEOS S.P.A. |
| 194.20.0.0 | 194.20.255.255 | 65536 | 01/09/93 | IRIDEOS S.P.A. |
| 84.253.128.0 | 84.253.191.255 | 16384 | 20/09/04 | IRIDEOS S.P.A. |
| 212.110.0.0 | 212.110.31.255 | 8192 | 26/10/98 | IRIDEOS S.P.A. |
| 62.196.0.0 | 62.196.255.255 | 65536 | 08/10/97 | IRIDEOS S.P.A. |
| 62.94.0.0 | 62.94.255.255 | 65536 | 10/08/00 | IRIDEOS S.P.A. |
| 46.228.240.0 | 46.228.255.255 | 4096 | 09/02/11 | IRIDEOS S.P.A. |
| 212.90.0.0 | 212.90.31.255 | 8192 | 21/10/98 | IRIDEOS S.P.A. |
| 195.110.128.0 | 195.110.159.255 | 8192 | 20/11/96 | IRIDEOS S.P.A. |
| 77.43.0.0 | 77.43.127.255 | 32768 | 07/12/06 | IRIDEOS S.P.A. |
| 37.99.224.0 | 37.99.255.255 | 8192 | 08/02/12 | Irpinia Net-Com SRL |
| 134.90.224.0 | 134.90.255.255 | 8192 | 08/11/11 | Irpinia Net-Com SRL |
| 217.196.128.0 | 217.196.143.255 | 4096 | 20/09/10 | Irpinia Net-Com SRL |
| 93.88.112.0 | 93.88.127.255 | 4096 | 18/03/08 | ISI Line srl |
| 5.198.224.0 | 5.198.239.255 | 4096 | 28/08/12 | ISI Line srl |
| 109.75.112.0 | 109.75.127.255 | 4096 | 19/11/09 | ISI Line srl |
| 87.253.96.0 | 87.253.127.255 | 8192 | 05/10/05 | ISI Line srl |
| 213.144.64.0 | 213.144.95.255 | 8192 | 28/02/00 | ISI Line srl |
| 213.254.0.0 | 213.254.31.255 | 8192 | 05/11/99 | IT.Gate S.p.A. |
| 213.212.128.0 | 213.212.191.255 | 16384 | 12/04/00 | IT.Gate S.p.A. |
| 212.110.32.0 | 212.110.63.255 | 8192 | 10/06/99 | IT.Gate S.p.A. |
| 212.48.0.0 | 212.48.31.255 | 8192 | 16/02/98 | Italiaonline S.p.A. |
| 80.93.64.0 | 80.93.79.255 | 4096 | 25/09/01 | Italiaonline S.p.A. |
| 213.209.0.0 | 213.209.63.255 | 16384 | 15/11/99 | Italiaonline S.p.A. |
| 151.2.0.0 | 151.2.127.255 | 32768 | 13/05/91 | ITnet S.r.l. |
| 151.1.0.0 | 151.1.255.255 | 65536 | 13/05/91 | ITnet S.r.l. |
| 212.46.160.0 | 212.46.191.255 | 8192 | 21/12/07 | KONVERTO SPA |
| 195.254.224.0 | 195.254.255.255 | 8192 | 08/01/98 | KONVERTO SPA |
| 92.243.128.0 | 92.243.159.255 | 8192 | 29/01/08 | KONVERTO SPA |
| 212.19.96.0 | 212.19.127.255 | 8192 | 07/09/99 | Leonet4cloud srl |
| 212.77.64.0 | 212.77.95.255 | 8192 | 01/02/99 | Leonet4cloud srl |
| 89.39.224.0 | 89.39.239.255 | 4096 | 29/11/05 | Lepida S.c.p.A. |
| 195.62.160.0 | 195.62.191.255 | 8192 | 17/10/97 | Lepida S.c.p.A. |
| 188.209.80.0 | 188.209.95.255 | 4096 | 08/05/09 | Lepida S.c.p.A. |
| 31.44.16.0 | 31.44.31.255 | 4096 | 23/02/11 | Level7 s.r.l. |
| 81.23.80.0 | 81.23.95.255 | 4096 | 14/02/06 | Liguria Digitale S.p.A. |
| 81.29.224.0 | 81.29.239.255 | 4096 | 07/05/02 | Linkwireless srl |
| 109.104.240.0 | 109.104.255.255 | 4096 | 08/09/09 | Logos Technologies S.r.l. |
| 89.251.176.0 | 89.251.191.255 | 4096 | 15/09/06 | Logos Technologies S.r.l. |
| 89.105.64.0 | 89.105.79.255 | 4096 | 15/03/06 | Lucense SCaRL |
| 80.76.64.0 | 80.76.79.255 | 4096 | 25/06/01 | LUTECH S.P.A. |
| 213.152.192.0 | 213.152.223.255 | 8192 | 11/04/00 | Made Network Srl |
| 178.211.64.0 | 178.211.95.255 | 8192 | 30/06/10 | Mandarin S.p.A. |
| 212.46.64.0 | 212.46.95.255 | 8192 | 02/06/08 | Mandarin S.p.A. |
| 212.121.64.0 | 212.121.95.255 | 8192 | 15/02/99 | Metrolink S.R.L. |
| 212.45.128.0 | 212.45.159.255 | 8192 | 29/05/98 | Metrolink S.R.L. |
| 217.174.112.0 | 217.174.127.255 | 4096 | 30/07/04 | Metrolink S.R.L. |
| 83.147.64.0 | 83.147.127.255 | 16384 | 18/02/04 | Mewecom Italia spa |
| 212.43.96.0 | 212.43.127.255 | 8192 | 13/09/99 | Micso s.r.l. |
| 212.14.128.0 | 212.14.159.255 | 8192 | 29/04/98 | Ministero dell'Interno |
| 217.29.64.0 | 217.29.79.255 | 4096 | 19/10/00 | MIX S.r.L. - Milan Internet eXchange |
| 213.225.192.0 | 213.225.223.255 | 8192 | 27/03/03 | Momax Network S.r.l. |
| 217.115.16.0 | 217.115.31.255 | 4096 | 23/12/03 | Multiwire S.r.l. |
| 178.238.48.0 | 178.238.63.255 | 4096 | 12/07/10 | MYNET S.R.L. |
| 92.62.80.0 | 92.62.95.255 | 4096 | 22/01/08 | MYNET S.R.L. |
| 119.12.32.0 | 119.12.47.255 | 4096 | 26/11/07 | MYNET S.R.L. |
| 31.193.144.0 | 31.193.159.255 | 4096 | 27/04/11 | MYNET S.R.L. |
| 80.68.176.0 | 80.68.191.255 | 4096 | 04/10/04 | MYNET S.R.L. |
| 77.241.0.0 | 77.241.15.255 | 4096 | 26/01/07 | MYNET S.R.L. |
| 31.44.160.0 | 31.44.175.255 | 4096 | 03/03/11 | MYNET S.R.L. |
| 77.240.224.0 | 77.240.239.255 | 4096 | 24/01/07 | MYNET S.R.L. |
| 80.88.160.0 | 80.88.175.255 | 4096 | 28/08/01 | MYNET S.R.L. |
| 93.91.128.0 | 93.91.143.255 | 4096 | 14/05/08 | MYNET S.R.L. |
| 178.175.192.0 | 178.175.255.255 | 16384 | 04/05/10 | MYNET S.R.L. |
| 84.247.192.0 | 84.247.255.255 | 16384 | 13/10/04 | MYNET S.R.L. |
| 195.182.224.0 | 195.182.255.255 | 8192 | 19/12/97 | MYNET TRENTINO SRL |
| 212.70.224.0 | 212.70.255.255 | 8192 | 26/05/00 | Net Bull S.r.l. |
| 217.148.112.0 | 217.148.127.255 | 4096 | 28/05/04 | Ne-t by Telerete Nordest Srl |
| 213.187.0.0 | 213.187.31.255 | 8192 | 10/12/09 | Net Global Srl |
| 46.234.192.0 | 46.234.223.255 | 8192 | 16/02/11 | Net Global Srl |
| 109.73.176.0 | 109.73.191.255 | 4096 | 13/10/09 | NETFREE S.R.L.S. |
| 46.252.144.0 | 46.252.159.255 | 4096 | 22/12/10 | Netsons s.r.l. |
| 80.83.160.0 | 80.83.175.255 | 4096 | 02/08/01 | NETWORK SISTEMI S.R.L.S. |
| 217.22.208.0 | 217.22.223.255 | 4096 | 25/02/03 | Notartel S.p.A. |
| 212.115.64.0 | 212.115.95.255 | 8192 | 11/02/99 | Nouvelle S.r.l |
| 81.200.224.0 | 81.200.239.255 | 4096 | 07/10/02 | Nuovo Pignone International S.r.l |
| 195.32.0.0 | 195.32.127.255 | 32768 | 11/04/96 | Officine Informatiche Srl |
| 80.253.32.0 | 80.253.47.255 | 4096 | 11/12/01 | Olivetti S.p.A. |
| 93.185.112.0 | 93.185.127.255 | 4096 | 06/06/08 | Omegacom S.R.L.S. |
| 178.239.32.0 | 178.239.47.255 | 4096 | 02/08/10 | Omegacom S.R.L.S. |
| 212.22.128.0 | 212.22.159.255 | 8192 | 11/05/98 | Open Fiber S.P.A. |
| 212.24.0.0 | 212.24.31.255 | 8192 | 18/02/98 | Open Fiber S.P.A. |
| 193.207.0.0 | 193.207.15.255 | 4096 | 26/07/94 | Open Fiber S.P.A. |
| 212.78.0.0 | 212.78.31.255 | 8192 | 14/10/98 | Opiquad SRL |
| 83.98.80.0 | 83.98.95.255 | 4096 | 12/01/04 | OpNet spa |
| 109.236.16.0 | 109.236.31.255 | 4096 | 30/11/09 | OpNet spa |
| 5.2.0.0 | 5.2.15.255 | 4096 | 27/04/12 | OpNet spa |
| 37.77.112.0 | 37.77.127.255 | 4096 | 02/02/12 | OpNet spa |
| 78.110.176.0 | 78.110.191.255 | 4096 | 15/08/07 | OpNet spa |
| 62.170.0.0 | 62.170.255.255 | 65536 | 18/08/00 | OpNet spa |
| 51.179.0.0 | 51.179.127.255 | 32768 | 01/09/93 | OpNet spa |
| 176.32.16.0 | 176.32.31.255 | 4096 | 23/05/11 | OpNet spa |
| 5.102.0.0 | 5.102.31.255 | 8192 | 26/06/12 | OpNet spa |
| 195.181.176.0 | 195.181.191.255 | 4096 | 20/03/97 | Optima Italia S.p.A. |
| 213.32.208.0 | 213.32.223.255 | 4096 | 28/06/99 | Optima Italia S.p.A. |
| 80.69.240.0 | 80.69.255.255 | 4096 | 03/04/09 | Optima Italia S.p.A. |
| 77.39.128.0 | 77.39.159.255 | 8192 | 28/03/07 | Orakom S.r.l. |
| 5.158.64.0 | 5.158.79.255 | 4096 | 25/07/12 | Orakom S.r.l. |
| 212.104.0.0 | 212.104.63.255 | 16384 | 16/11/98 | P.A. A.B.S. SRL - Partners Associates Advanced Business Solution |
| 62.169.32.0 | 62.169.63.255 | 8192 | 07/03/03 | Phoenix Informatica SRL |
| 194.179.128.0 | 194.179.255.255 | 32768 | 26/06/96 | PLANET SERVICE SRL |
| 94.102.128.0 | 94.102.143.255 | 4096 | 05/09/08 | Planetel SPA |
| 80.244.112.0 | 80.244.127.255 | 4096 | 26/09/05 | Planetel SPA |
| 46.21.176.0 | 46.21.191.255 | 4096 | 10/11/10 | Planetel SPA |
| 77.244.176.0 | 77.244.191.255 | 4096 | 04/04/07 | Planetel SPA |
| 178.237.0.0 | 178.237.15.255 | 4096 | 18/06/10 | Playnet S.R.L. |
| 62.48.32.0 | 62.48.63.255 | 8192 | 15/05/00 | Playnet S.R.L. |
| 31.7.144.0 | 31.7.159.255 | 4096 | 13/04/11 | POSITIVO SRL |
| 5.11.96.0 | 5.11.127.255 | 8192 | 02/05/12 | Poste Italiane S.p.A. |
| 37.32.80.0 | 37.32.95.255 | 4096 | 03/01/12 | Poste Italiane S.p.A. |
| 62.241.0.0 | 62.241.31.255 | 8192 | 20/07/00 | Poste Italiane S.p.A. |
| 217.171.64.0 | 217.171.79.255 | 4096 | 05/03/12 | Poste Italiane S.p.A. |
| 5.77.64.0 | 5.77.127.255 | 16384 | 13/06/12 | Poste Italiane S.p.A. |
| 5.179.128.0 | 5.179.191.255 | 16384 | 07/08/12 | Poste Italiane S.p.A. |
| 81.200.128.0 | 81.200.143.255 | 4096 | 01/10/02 | PROTEC di Rinaldo Silvano & C. Snc |
| 212.162.64.0 | 212.162.127.255 | 16384 | 03/08/00 | RAI RadioTelevisione Italiana |
| 217.194.176.0 | 217.194.191.255 | 4096 | 15/09/04 | Redder Telco s.r.l. |
| 217.76.208.0 | 217.76.223.255 | 4096 | 14/10/03 | Regione Autonoma Valle d'Aosta - Dipartimento Sistema Informativo |
| 86.109.128.0 | 86.109.159.255 | 8192 | 06/07/05 | Regione Toscana |
| 89.17.160.0 | 89.17.191.255 | 8192 | 25/07/06 | Regione Veneto |
| 81.88.48.0 | 81.88.63.255 | 4096 | 10/04/06 | REGISTER S.P.A. |
| 80.91.48.0 | 80.91.63.255 | 4096 | 08/06/05 | REGISTER S.P.A. |
| 195.110.96.0 | 195.110.127.255 | 8192 | 04/09/97 | REGISTER S.P.A. |
| 213.158.64.0 | 213.158.95.255 | 8192 | 20/03/00 | REGISTER S.P.A. |
| 80.94.112.0 | 80.94.127.255 | 4096 | 02/08/05 | Retelit Digital Services S.p.A. |
| 31.223.240.0 | 31.223.255.255 | 4096 | 17/05/11 | Retelit Digital Services S.p.A. |
| 217.19.144.0 | 217.19.159.255 | 4096 | 23/01/03 | Retelit Digital Services S.p.A. |
| 82.193.32.0 | 82.193.63.255 | 8192 | 11/05/07 | Retelit Digital Services S.p.A. |
| 79.143.112.0 | 79.143.127.255 | 4096 | 23/11/07 | Retelit Digital Services S.p.A. |
| 82.145.96.0 | 82.145.111.255 | 4096 | 10/06/03 | RMnet S.R.L. |
| 212.91.32.0 | 212.91.63.255 | 8192 | 24/06/99 | RS Advanced Systems S.R.L. |
| 93.186.80.0 | 93.186.95.255 | 4096 | 23/06/08 | Ruzzo Reti S.p.a. |
| 82.119.32.0 | 82.119.63.255 | 8192 | 16/02/04 | SEAC S.p.A. |
| 93.101.0.0 | 93.101.255.255 | 65536 | 05/03/08 | SED Multitel s.r.l. |
| 217.21.128.0 | 217.21.143.255 | 4096 | 03/02/09 | SED Multitel s.r.l. |
| 212.35.192.0 | 212.35.223.255 | 8192 | 08/09/98 | SEEWEB s.r.l. |
| 95.174.0.0 | 95.174.31.255 | 8192 | 18/03/09 | SEEWEB s.r.l. |
| 5.144.160.0 | 5.144.175.255 | 4096 | 12/07/12 | SEEWEB s.r.l. |
| 217.64.192.0 | 217.64.207.255 | 4096 | 31/10/00 | SEEWEB s.r.l. |
| 85.94.192.0 | 85.94.223.255 | 8192 | 04/01/05 | SEEWEB s.r.l. |
| 217.194.0.0 | 217.194.15.255 | 4096 | 19/04/01 | SEEWEB s.r.l. |
| 212.25.160.0 | 212.25.191.255 | 8192 | 12/04/99 | SEEWEB s.r.l. |
| 37.9.224.0 | 37.9.239.255 | 4096 | 15/12/11 | SEEWEB s.r.l. |
| 213.171.160.0 | 213.171.191.255 | 8192 | 30/05/01 | SEEWEB s.r.l. |
| 212.66.224.0 | 212.66.255.255 | 8192 | 25/05/00 | SEEWEB s.r.l. |
| 217.168.224.0 | 217.168.239.255 | 4096 | 22/03/01 | SEEWEB s.r.l. |
| 95.141.32.0 | 95.141.47.255 | 4096 | 29/05/09 | Seflow s.r.l. |
| 67.231.176.0 | 67.231.191.255 | 4096 | 26/05/09 | Server Plan S.r.l. |
| 81.27.128.0 | 81.27.143.255 | 4096 | 12/04/02 | Siav S.p.A. |
| 217.27.112.0 | 217.27.127.255 | 4096 | 02/05/03 | Siportal Srl |
| 62.177.0.0 | 62.177.15.255 | 4096 | 17/07/00 | SIR s.r.l. |
| 101.56.0.0 | 101.63.255.255 | 524288 | 09/12/10 | Sky Italia srl |
| 176.227.128.0 | 176.227.143.255 | 4096 | 01/12/11 | SKYLOGIC S.P.A. |
| 213.209.160.0 | 213.209.191.255 | 8192 | 21/07/03 | SKYLOGIC S.P.A. |
| 5.175.64.0 | 5.175.79.255 | 4096 | 02/08/12 | SKYLOGIC S.P.A. |
| 95.210.0.0 | 95.210.255.255 | 65536 | 03/02/09 | SKYLOGIC S.P.A. |
| 84.254.128.0 | 84.254.191.255 | 16384 | 06/10/04 | SKYLOGIC S.P.A. |
| 88.202.0.0 | 88.202.127.255 | 32768 | 14/11/05 | SKYLOGIC S.P.A. |
| 217.175.48.0 | 217.175.63.255 | 4096 | 03/09/04 | Sogei Societa' Generale d' Informatica S.p.A. |
| 158.255.192.0 | 158.255.207.255 | 4096 | 15/11/11 | Sokom S.r.l. |
| 217.147.128.0 | 217.147.143.255 | 4096 | 02/03/01 | Sprintlink Italy Srl |
| 212.94.128.0 | 212.94.159.255 | 8192 | 04/12/98 | Sr Net S.R.L. |
| 94.80.0.0 | 94.95.255.255 | 1048576 | 05/06/08 | Telecom Italia S.p.A. |
| 2.112.0.0 | 2.119.255.255 | 524288 | 13/04/10 | Telecom Italia S.p.A. |
| 212.210.0.0 | 212.210.255.255 | 65536 | 01/04/98 | Telecom Italia S.p.A. |
| 109.52.0.0 | 109.55.255.255 | 262144 | 22/10/09 | Telecom Italia S.p.A. |
| 212.216.0.0 | 212.216.255.255 | 65536 | 25/02/98 | Telecom Italia S.p.A. |
| 95.74.0.0 | 95.75.255.255 | 131072 | 28/11/08 | Telecom Italia S.p.A. |
| 95.224.0.0 | 95.255.255.255 | 2097152 | 15/01/09 | Telecom Italia S.p.A. |
| 149.62.128.0 | 149.62.143.255 | 4096 | 22/07/11 | Telecom Italia S.p.A. |
| 82.48.0.0 | 82.63.255.255 | 1048576 | 07/08/03 | Telecom Italia S.p.A. |
| 82.104.0.0 | 82.107.255.255 | 262144 | 22/10/03 | Telecom Italia S.p.A. |
| 188.8.0.0 | 188.15.255.255 | 524288 | 05/02/09 | Telecom Italia S.p.A. |
| 82.184.0.0 | 82.191.255.255 | 524288 | 16/09/03 | Telecom Italia S.p.A. |
| 79.0.0.0 | 79.63.255.255 | 4194304 | 21/02/07 | Telecom Italia S.p.A. |
| 83.175.0.0 | 83.175.63.255 | 16384 | 27/05/04 | Telecom Italia S.p.A. |
| 85.32.0.0 | 85.47.255.255 | 1048576 | 10/08/04 | Telecom Italia S.p.A. |
| 83.221.96.0 | 83.221.127.255 | 8192 | 13/04/04 | Telecom Italia S.p.A. |
| 151.99.0.0 | 151.99.255.255 | 65536 | 09/09/97 | Telecom Italia S.p.A. |
| 195.120.0.0 | 195.120.255.255 | 65536 | 01/05/96 | Telecom Italia S.p.A. |
| 195.31.0.0 | 195.31.255.255 | 65536 | 18/11/96 | Telecom Italia S.p.A. |
| 195.103.0.0 | 195.103.255.255 | 65536 | 12/03/97 | Telecom Italia S.p.A. |
| 87.0.0.0 | 87.31.255.255 | 2097152 | 13/07/05 | Telecom Italia S.p.A. |
| 2.192.0.0 | 2.199.255.255 | 524288 | 10/11/10 | Telecom Italia S.p.A. |
| 194.184.0.0 | 194.184.255.255 | 65536 | 10/11/95 | Telecom Italia S.p.A. |
| 77.238.0.0 | 77.238.31.255 | 8192 | 08/02/07 | Telecom Italia S.p.A. |
| 31.196.0.0 | 31.199.255.255 | 262144 | 21/04/11 | Telecom Italia S.p.A. |
| 31.194.0.0 | 31.195.255.255 | 131072 | 21/04/11 | Telecom Italia S.p.A. |
| 88.32.0.0 | 88.63.255.255 | 2097152 | 30/09/05 | Telecom Italia S.p.A. |
| 195.223.0.0 | 195.223.255.255 | 65536 | 07/11/97 | Telecom Italia S.p.A. |
| 194.243.0.0 | 194.243.255.255 | 65536 | 09/02/96 | Telecom Italia S.p.A. |
| 81.72.0.0 | 81.75.255.255 | 262144 | 18/01/02 | Telecom Italia S.p.A. |
| 37.206.0.0 | 37.207.255.255 | 131072 | 28/03/12 | Telecom Italia S.p.A. |
| 213.26.0.0 | 213.26.255.255 | 65536 | 04/10/99 | Telecom Italia S.p.A. |
| 217.172.192.0 | 217.172.223.255 | 8192 | 06/04/01 | Telecom Italia S.p.A. |
| 80.204.0.0 | 80.207.255.255 | 262144 | 12/12/01 | Telecom Italia S.p.A. |
| 37.205.128.0 | 37.205.255.255 | 32768 | 28/03/12 | Telecom Italia S.p.A. |
| 81.120.0.0 | 81.123.255.255 | 262144 | 08/07/02 | Telecom Italia S.p.A. |
| 81.126.0.0 | 81.127.255.255 | 131072 | 08/07/02 | Telecom Italia S.p.A. |
| 80.180.0.0 | 80.183.255.255 | 262144 | 26/09/02 | Telecom Italia S.p.A. |
| 81.124.0.0 | 81.125.255.255 | 131072 | 08/07/02 | Telecom Italia S.p.A. |
| 217.200.0.0 | 217.203.255.255 | 262144 | 27/03/01 | Telecom Italia S.p.A. |
| 81.112.0.0 | 81.119.255.255 | 524288 | 08/07/02 | Telecom Italia S.p.A. |
| 80.116.0.0 | 80.117.255.255 | 131072 | 06/08/01 | Telecom Italia S.p.A. |
| 217.169.96.0 | 217.169.111.255 | 4096 | 11/04/01 | Telecom Italia S.p.A. |
| 217.223.0.0 | 217.223.255.255 | 65536 | 10/10/01 | Telecom Italia S.p.A. |
| 80.16.0.0 | 80.23.255.255 | 524288 | 12/06/01 | Telecom Italia S.p.A. |
| 217.222.0.0 | 217.222.127.255 | 32768 | 12/04/01 | Telecom Italia S.p.A. |
| 80.104.0.0 | 80.105.255.255 | 131072 | 17/07/01 | Telecom Italia S.p.A. |
| 213.82.0.0 | 213.82.255.255 | 65536 | 24/05/00 | Telecom Italia S.p.A. |
| 217.169.112.0 | 217.169.127.255 | 4096 | 18/10/01 | Telecom Italia S.p.A. |
| 80.241.224.0 | 80.241.239.255 | 4096 | 23/10/01 | Telecom Italia S.p.A. |
| 213.45.0.0 | 213.45.255.255 | 65536 | 07/01/00 | Telecom Italia S.p.A. |
| 217.222.128.0 | 217.222.255.255 | 32768 | 10/10/01 | Telecom Italia S.p.A. |
| 213.230.128.0 | 213.230.159.255 | 8192 | 16/05/00 | Telecom Italia S.p.A. |
| 212.171.0.0 | 212.171.255.255 | 65536 | 12/05/99 | Telecom Italia S.p.A. |
| 82.88.0.0 | 82.91.255.255 | 262144 | 07/05/03 | Telecom Italia S.p.A. |
| 62.211.0.0 | 62.211.255.255 | 65536 | 30/11/00 | Telecom Italia S.p.A. |
| 217.56.0.0 | 217.59.255.255 | 262144 | 27/10/00 | Telecom Italia S.p.A. |
| 62.18.0.0 | 62.19.255.255 | 131072 | 10/11/11 | Telecom Italia S.p.A. |
| 62.86.0.0 | 62.86.255.255 | 65536 | 27/07/00 | Telecom Italia S.p.A. |
| 212.131.0.0 | 212.131.255.255 | 65536 | 18/03/99 | Telecom Italia S.p.A. |
| 217.141.0.0 | 217.141.255.255 | 65536 | 08/02/01 | Telecom Italia S.p.A. |
| 5.168.0.0 | 5.171.255.255 | 262144 | 26/07/12 | Telecom Italia S.p.A. |
| 176.200.0.0 | 176.201.255.255 | 131072 | 26/07/11 | Telecom Italia S.p.A. |
| 62.110.0.0 | 62.110.255.255 | 65536 | 04/09/00 | Telecom Italia S.p.A. |
| 158.148.0.0 | 158.148.255.255 | 65536 | 10/11/11 | Telecom Italia S.p.A. |
| 5.96.0.0 | 5.99.255.255 | 262144 | 20/06/12 | Telecom Italia S.p.A. |
| 217.27.64.0 | 217.27.95.255 | 8192 | 17/10/00 | Telecom Italia S.p.A. |
| 62.77.32.0 | 62.77.63.255 | 8192 | 23/10/02 | Telecom Italia S.p.A. |
| 213.144.160.0 | 213.144.191.255 | 8192 | 23/03/01 | TELECOM ITALIA SPARKLE S.p.A. |
| 93.186.128.0 | 93.186.143.255 | 4096 | 27/06/08 | TELECOM ITALIA SPARKLE S.p.A. |
| 89.221.32.0 | 89.221.47.255 | 4096 | 22/09/06 | TELECOM ITALIA SPARKLE S.p.A. |
| 79.140.80.0 | 79.140.95.255 | 4096 | 05/10/07 | TELECOM ITALIA SPARKLE S.p.A. |
| 195.22.192.0 | 195.22.223.255 | 8192 | 16/04/97 | TELECOM ITALIA SPARKLE S.p.A. |
| 195.230.192.0 | 195.230.255.255 | 16384 | 10/10/97 | TELECOM ITALIA SPARKLE S.p.A. |
| 91.188.0.0 | 91.188.31.255 | 8192 | 01/12/06 | Telespazio S.p.A. |
| 89.188.128.0 | 89.188.159.255 | 8192 | 10/05/06 | Televideocom Srl |
| 195.36.0.0 | 195.36.63.255 | 16384 | 21/05/96 | TELNET S.r.l. |
| 62.100.64.0 | 62.100.95.255 | 8192 | 23/06/00 | TERRALINK S.R.L. |
| 213.243.192.0 | 213.243.255.255 | 16384 | 10/06/03 | Terrecablate Reti e Servizi S.R.L. |
| 80.65.144.0 | 80.65.159.255 | 4096 | 14/04/04 | TESLATEL SRL |
| 212.48.160.0 | 212.48.191.255 | 8192 | 18/03/99 | TESLATEL SRL |
| 109.238.16.0 | 109.238.31.255 | 4096 | 20/01/10 | TIMENET SPA |
| 80.66.208.0 | 80.66.223.255 | 4096 | 15/06/04 | TIMENET SPA |
| 5.172.112.0 | 5.172.127.255 | 4096 | 30/07/12 | TIMENET SPA |
| 31.193.16.0 | 31.193.31.255 | 4096 | 21/04/11 | TIMENET SPA |
| 193.207.64.0 | 193.207.127.255 | 16384 | 26/07/94 | Tiscali Italia S.P.A. |
| 94.32.0.0 | 94.35.255.255 | 262144 | 14/05/08 | Tiscali Italia S.P.A. |
| 217.133.0.0 | 217.133.255.255 | 65536 | 24/01/01 | Tiscali Italia S.P.A. |
| 193.207.32.0 | 193.207.63.255 | 8192 | 26/07/94 | Tiscali Italia S.P.A. |
| 193.207.128.0 | 193.207.255.255 | 32768 | 26/07/94 | Tiscali Italia S.P.A. |
| 62.10.0.0 | 62.11.255.255 | 131072 | 10/08/99 | Tiscali Italia S.P.A. |
| 217.73.208.0 | 217.73.223.255 | 4096 | 01/09/03 | Tiscali Italia S.P.A. |
| 213.205.32.0 | 213.205.63.255 | 8192 | 22/12/99 | Tiscali Italia S.P.A. |
| 212.123.64.0 | 212.123.95.255 | 8192 | 24/02/99 | Tiscali Italia S.P.A. |
| 195.130.224.0 | 195.130.255.255 | 8192 | 15/12/97 | Tiscali Italia S.P.A. |
| 82.84.0.0 | 82.85.255.255 | 131072 | 22/05/03 | Tiscali Italia S.P.A. |
| 213.205.0.0 | 213.205.31.255 | 8192 | 22/12/99 | Tiscali Italia S.P.A. |
| 84.220.0.0 | 84.223.255.255 | 262144 | 02/06/04 | Tiscali Italia S.P.A. |
| 217.28.112.0 | 217.28.127.255 | 4096 | 05/05/03 | Triskel srl |
| 212.103.192.0 | 212.103.223.255 | 8192 | 20/05/99 | Trivenet S.R.L. |
| 82.113.192.0 | 82.113.223.255 | 8192 | 16/12/03 | TWT S.p.A. |
| 82.134.192.0 | 82.134.255.255 | 16384 | 05/09/03 | TWT S.p.A. |
| 83.217.176.0 | 83.217.191.255 | 4096 | 08/03/04 | TWT S.p.A. |
| 82.97.224.0 | 82.97.239.255 | 4096 | 02/12/03 | TWT S.p.A. |
| 217.61.160.0 | 217.61.175.255 | 4096 | 01/11/00 | TWT S.p.A. |
| 45.33.224.0 | 45.33.239.255 | 4096 | 27/03/15 | TWT S.p.A. |
| 95.142.176.0 | 95.142.191.255 | 4096 | 04/08/09 | TWT S.p.A. |
| 82.180.32.0 | 82.180.63.255 | 8192 | 09/10/03 | TWT S.p.A. |
| 178.236.160.0 | 178.236.175.255 | 4096 | 10/06/10 | TWT S.p.A. |
| 80.210.96.0 | 80.210.127.255 | 8192 | 12/12/01 | TWT S.p.A. |
| 176.57.112.0 | 176.57.127.255 | 4096 | 01/06/11 | TWT S.p.A. |
| 5.8.96.0 | 5.8.127.255 | 8192 | 25/04/12 | TWT S.p.A. |
| 77.239.128.0 | 77.239.159.255 | 8192 | 09/03/07 | TWT S.p.A. |
| 81.21.16.0 | 81.21.31.255 | 4096 | 06/12/10 | TWT S.p.A. |
| 150.252.224.0 | 150.252.239.255 | 4096 | 19/08/91 | TWT S.p.A. |
| 212.39.0.0 | 212.39.31.255 | 8192 | 31/03/98 | Umbrianet S.R.L. |
| 212.15.64.0 | 212.15.79.255 | 4096 | 14/07/98 | Unica Telecomunicazioni s.r.l. |
| 217.148.96.0 | 217.148.111.255 | 4096 | 06/03/01 | UniCredit S.p.A. |
| 80.84.96.0 | 80.84.111.255 | 4096 | 10/08/01 | UniCredit S.p.A. |
| 213.134.64.0 | 213.134.95.255 | 8192 | 15/03/00 | UniCredit S.p.A. |
| 194.79.192.0 | 194.79.223.255 | 8192 | 30/11/95 | UNIDATA S.p.A. |
| 82.145.112.0 | 82.145.127.255 | 4096 | 10/06/03 | UNIDATA S.p.A. |
| 77.39.224.0 | 77.39.255.255 | 8192 | 28/03/07 | UNIDATA S.p.A. |
| 77.39.160.0 | 77.39.191.255 | 8192 | 28/03/07 | UNIDATA S.p.A. |
| 194.183.0.0 | 194.183.31.255 | 8192 | 05/12/95 | UNIDATA S.p.A. |
| 213.233.0.0 | 213.233.63.255 | 16384 | 23/11/99 | UNIDATA S.p.A. |
| 217.72.96.0 | 217.72.111.255 | 4096 | 27/11/00 | UNIDATA S.p.A. |
| 195.250.224.0 | 195.250.255.255 | 8192 | 25/11/97 | UNIDATA S.p.A. |
| 195.94.128.0 | 195.94.191.255 | 16384 | 19/11/96 | UNIDATA S.p.A. |
| 217.20.0.0 | 217.20.15.255 | 4096 | 22/09/00 | Uniplan Software S.r.l. |
| 217.118.240.0 | 217.118.255.255 | 4096 | 19/02/04 | United Nations World Food Programme |
| 213.204.0.0 | 213.204.31.255 | 8192 | 16/09/99 | Uno Communications SpA |
| 62.212.0.0 | 62.212.31.255 | 8192 | 24/10/97 | Utility Line Italia S.r.l. |
| 212.177.0.0 | 212.177.255.255 | 65536 | 12/05/99 | Verizon Italia SpA |
| 212.4.0.0 | 212.4.31.255 | 8192 | 19/02/98 | Verizon Italia SpA |
| 46.44.192.0 | 46.44.255.255 | 16384 | 01/09/10 | Vianova S.p.A |
| 78.152.96.0 | 78.152.127.255 | 8192 | 13/06/07 | Vianova S.p.A |
| 79.135.32.0 | 79.135.63.255 | 8192 | 30/10/07 | Vianova S.p.A |
| 80.93.128.0 | 80.93.143.255 | 4096 | 26/09/01 | Vianova S.p.A |
| 94.138.160.0 | 94.138.191.255 | 8192 | 07/10/08 | Vianova S.p.A |
| 91.143.192.0 | 91.143.207.255 | 4096 | 06/11/06 | Vianova S.p.A |
| 213.182.64.0 | 213.182.95.255 | 8192 | 15/04/08 | Vianova S.p.A |
| 83.224.0.0 | 83.225.255.255 | 131072 | 05/02/04 | Vodafone Italia S.p.A. |
| 5.88.0.0 | 5.95.255.255 | 524288 | 19/06/12 | Vodafone Italia S.p.A. |
| 31.156.0.0 | 31.159.255.255 | 262144 | 09/03/11 | Vodafone Italia S.p.A. |
| 31.26.0.0 | 31.27.255.255 | 131072 | 09/03/11 | Vodafone Italia S.p.A. |
| 93.144.0.0 | 93.151.255.255 | 524288 | 11/04/08 | Vodafone Italia S.p.A. |
| 130.25.0.0 | 130.25.255.255 | 65536 | 14/10/11 | Vodafone Italia S.p.A. |
| 37.116.0.0 | 37.119.255.255 | 262144 | 10/02/12 | Vodafone Italia S.p.A. |
| 176.242.0.0 | 176.243.255.255 | 131072 | 06/12/11 | Vodafone Italia S.p.A. |
| 176.244.0.0 | 176.247.255.255 | 262144 | 06/12/11 | Vodafone Italia S.p.A. |
| 130.0.128.0 | 130.0.191.255 | 16384 | 14/10/11 | Vodafone Italia S.p.A. |
| 37.176.0.0 | 37.183.255.255 | 524288 | 19/03/12 | Vodafone Italia S.p.A. |
| 37.159.0.0 | 37.159.255.255 | 65536 | 19/03/12 | Vodafone Italia S.p.A. |
| 188.216.0.0 | 188.219.255.255 | 262144 | 13/05/09 | Vodafone Italia S.p.A. |
| 2.32.0.0 | 2.47.255.255 | 1048576 | 29/04/10 | Vodafone Italia S.p.A. |
| 93.64.0.0 | 93.71.255.255 | 524288 | 17/03/08 | Vodafone Italia S.p.A. |
| 109.112.0.0 | 109.119.255.255 | 524288 | 12/06/09 | Vodafone Italia S.p.A. |
| 93.179.128.0 | 93.179.191.255 | 16384 | 11/04/08 | Vodafone Italia S.p.A. |
| 188.152.0.0 | 188.153.255.255 | 131072 | 27/04/09 | Vodafone Italia S.p.A. |
| 91.80.0.0 | 91.81.255.255 | 131072 | 25/07/06 | Vodafone Italia S.p.A. |
| 89.150.32.0 | 89.150.63.255 | 8192 | 10/03/10 | Wavetech srl |
| 217.174.128.0 | 217.174.143.255 | 4096 | 12/02/09 | WAYPOINT SRLS |
| 217.18.0.0 | 217.18.15.255 | 4096 | 18/09/00 | Weblink srl |
| 89.148.128.0 | 89.148.191.255 | 16384 | 15/02/06 | WicitY srl |
| 217.118.0.0 | 217.118.15.255 | 4096 | 08/02/01 | WIIT S.p.A. |
| 217.18.112.0 | 217.18.127.255 | 4096 | 12/06/03 | WIIT S.p.A. |
| 217.18.96.0 | 217.18.111.255 | 4096 | 18/09/00 | WIIT S.p.A. |
| 213.137.32.0 | 213.137.63.255 | 8192 | 20/10/00 | WiMore S.r.l. |
| 82.145.160.0 | 82.145.191.255 | 8192 | 16/06/03 | WiMore S.r.l. |
| 69.172.96.0 | 69.172.127.255 | 8192 | 25/03/09 | WiMore S.r.l. |
| 195.45.0.0 | 195.45.255.255 | 65536 | 09/12/96 | WIND TRE S.P.A. |
| 5.84.0.0 | 5.87.255.255 | 262144 | 14/06/12 | WIND TRE S.P.A. |
| 37.226.0.0 | 37.227.255.255 | 131072 | 10/04/12 | WIND TRE S.P.A. |
| 37.100.0.0 | 37.103.255.255 | 262144 | 01/02/12 | WIND TRE S.P.A. |
| 91.252.0.0 | 91.255.255.255 | 262144 | 14/09/12 | WIND TRE S.P.A. |
| 81.81.0.0 | 81.81.255.255 | 65536 | 10/04/02 | WIND TRE S.P.A. |
| 62.98.0.0 | 62.98.255.255 | 65536 | 23/08/00 | WIND TRE S.P.A. |
| 212.141.128.0 | 212.141.255.255 | 32768 | 14/03/00 | WIND TRE S.P.A. |
| 62.13.160.0 | 62.13.191.255 | 8192 | 17/01/02 | WIND TRE S.P.A. |
| 94.160.0.0 | 94.167.255.255 | 524288 | 07/08/08 | WIND TRE S.P.A. |
| 195.210.64.0 | 195.210.95.255 | 8192 | 03/03/97 | WIND TRE S.P.A. |
| 212.52.64.0 | 212.52.127.255 | 16384 | 12/06/98 | WIND TRE S.P.A. |
| 31.188.0.0 | 31.191.255.255 | 262144 | 24/03/11 | WIND TRE S.P.A. |
| 193.70.128.0 | 193.70.255.255 | 32768 | 01/09/93 | WIND TRE S.P.A. |
| 193.76.0.0 | 193.76.255.255 | 65536 | 26/04/94 | WIND TRE S.P.A. |
| 2.156.0.0 | 2.159.255.255 | 262144 | 08/11/10 | WIND TRE S.P.A. |
| 176.206.0.0 | 176.207.255.255 | 131072 | 05/09/11 | WIND TRE S.P.A. |
| 212.245.0.0 | 212.245.255.255 | 65536 | 15/10/98 | WIND TRE S.P.A. |
| 212.141.0.0 | 212.141.127.255 | 32768 | 29/03/99 | WIND TRE S.P.A. |
| 128.66.0.0 | 128.67.255.255 | 131072 | 06/10/11 | WIND TRE S.P.A. |
| 128.45.0.0 | 128.45.255.255 | 65536 | 06/10/11 | WIND TRE S.P.A. |
| 213.177.160.0 | 213.177.191.255 | 8192 | 22/06/01 | WIS TELECOM S.R.L. |
| 46.23.192.0 | 46.23.207.255 | 4096 | 10/12/10 | Wispone S.R.L. |
| 195.137.128.0 | 195.137.159.255 | 8192 | 16/03/99 | Wispone S.R.L. |
| 109.237.160.0 | 109.237.175.255 | 4096 | 15/01/10 | Wolnet SRL |
| 46.141.0.0 | 46.141.255.255 | 65536 | 22/11/10 | Wolnet SRL |
| 213.225.240.0 | 213.225.255.255 | 4096 | 27/03/03 | XSTREAM SRL |
| 78.111.224.0 | 78.111.239.255 | 4096 | 26/09/07 | XSTREAM SRL |
| 217.12.160.0 | 217.12.175.255 | 4096 | 24/08/00 | Yepa S.r.l. |
| 62.108.224.0 | 62.108.255.255 | 8192 | 05/12/02 | ZUCCHETTI SPA
|
Major IP Address Blocks For Italy