In the following table, you can find all major IP addresses blocks allocated for Czech Republic.
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.
| 5.59.0.0 | 5.59.255.255 | 65536 | 04/06/12 | CoProSys a.s. |
| 5.102.48.0 | 5.102.63.255 | 4096 | 27/06/12 | Nordic Telecom Regional s.r.o. |
| 31.28.128.0 | 31.28.159.255 | 8192 | 28/02/11 | PODA a.s. |
| 31.30.0.0 | 31.30.255.255 | 65536 | 15/03/11 | Vodafone Czech Republic a.s. |
| 31.31.224.0 | 31.31.255.255 | 8192 | 21/03/11 | SATT a.s. |
| 31.47.96.0 | 31.47.111.255 | 4096 | 22/03/11 | FreeTel, s.r.o. |
| 31.132.16.0 | 31.132.31.255 | 4096 | 16/06/11 | |
| 31.148.0.0 | 31.148.255.255 | 65536 | 11/02/11 | ALFA TELECOM s.r.o. |
| 31.169.128.0 | 31.169.255.255 | 32768 | 29/03/11 | Vodafone Czech Republic a.s. |
| 31.192.64.0 | 31.192.95.255 | 8192 | 20/04/11 | Net-Connect s.r.o. |
| 31.222.0.0 | 31.222.15.255 | 4096 | 12/05/11 | Radovan Ochvat trading as SAO Computers |
| 37.44.16.0 | 37.44.31.255 | 4096 | 09/01/12 | Matrigo s.r.o. |
| 37.48.0.0 | 37.48.63.255 | 16384 | 23/01/12 | T-Mobile Czech Republic a.s. |
| 37.77.224.0 | 37.77.255.255 | 8192 | 03/02/12 | Wic-Net, s.r.o. |
| 37.188.128.0 | 37.188.255.255 | 32768 | 20/03/12 | O2 Czech Republic, a.s. |
| 37.221.240.0 | 37.221.255.255 | 4096 | 10/04/12 | ISP Alliance a.s. |
| 37.235.96.0 | 37.235.111.255 | 4096 | 17/04/12 | SH.cz s.r.o. |
| 46.8.16.0 | 46.8.31.255 | 4096 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.32.0 | 46.8.63.255 | 8192 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.64.0 | 46.8.95.255 | 8192 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.112.0 | 46.8.127.255 | 4096 | 07/09/10 | NetArt LIR, k.s. |
| 46.8.128.0 | 46.8.159.255 | 8192 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.160.0 | 46.8.175.255 | 4096 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.208.0 | 46.8.223.255 | 4096 | 07/09/10 | NetArt Group s.r.o. |
| 46.8.224.0 | 46.8.255.255 | 8192 | 07/09/10 | NetArt Group s.r.o. |
| 46.13.0.0 | 46.13.255.255 | 65536 | 24/09/10 | T-Mobile Czech Republic a.s. |
| 46.23.48.0 | 46.23.63.255 | 4096 | 02/12/10 | United Networks SE |
| 46.23.128.0 | 46.23.143.255 | 4096 | 08/12/10 | NEOS v.o.s. |
| 46.33.96.0 | 46.33.127.255 | 8192 | 31/08/10 | INFOS Art, s.r.o. |
| 46.36.32.0 | 46.36.63.255 | 8192 | 25/10/10 | GTT a.s. |
| 46.39.160.0 | 46.39.191.255 | 8192 | 15/12/10 | Nej.cz s.r.o. |
| 46.47.128.0 | 46.47.191.255 | 16384 | 22/10/10 | PODA a.s. |
| 46.135.0.0 | 46.135.255.255 | 65536 | 11/11/10 | Vodafone Czech Republic a.s. |
| 46.149.112.0 | 46.149.127.255 | 4096 | 23/12/10 | |
| 46.167.192.0 | 46.167.255.255 | 16384 | 21/12/10 | Vodafone Czech Republic a.s. |
| 46.173.192.0 | 46.173.207.255 | 4096 | 26/01/11 | |
| 46.228.16.0 | 46.228.31.255 | 4096 | 03/02/11 | ORKA systems, s.r.o. |
| 46.229.112.0 | 46.229.127.255 | 4096 | 15/02/11 | Alberon Letohrad s.r.o |
| 46.234.96.0 | 46.234.127.255 | 8192 | 10/02/11 | SH.cz s.r.o. |
| 46.234.160.0 | 46.234.191.255 | 8192 | 10/02/11 | TRINITY CZECH REPUBLIC, s.r.o. |
| 46.252.224.0 | 46.252.239.255 | 4096 | 27/12/10 | JaroNet - services s.r.o. |
| 46.253.96.0 | 46.253.111.255 | 4096 | 07/01/11 | Edera Group a.s. |
| 62.4.112.0 | 62.4.127.255 | 4096 | 11/06/01 | Quantcom, a.s. |
| 62.24.64.0 | 62.24.95.255 | 8192 | 14/06/00 | Vodafone Czech Republic a.s. |
| 62.40.64.0 | 62.40.95.255 | 8192 | 14/06/00 | Verizon Czech s.r.o. |
| 62.44.0.0 | 62.44.31.255 | 8192 | 23/05/97 | Quantcom, a.s. |
| 62.76.224.0 | 62.76.239.255 | 4096 | 16/06/97 | Reliable Communications s.r.o. |
| 62.77.64.0 | 62.77.127.255 | 16384 | 05/07/01 | T-Mobile Czech Republic a.s. |
| 62.84.128.0 | 62.84.159.255 | 8192 | 23/06/00 | T-Mobile Czech Republic a.s. |
| 62.109.128.0 | 62.109.159.255 | 8192 | 03/07/08 | Webglobe, s.r.o. |
| 62.129.32.0 | 62.129.63.255 | 8192 | 24/01/03 | PODA a.s. |
| 62.141.0.0 | 62.141.31.255 | 8192 | 12/07/00 | T-Mobile Czech Republic a.s. |
| 62.168.0.0 | 62.168.63.255 | 16384 | 07/05/97 | T-Mobile Czech Republic a.s. |
| 62.177.64.0 | 62.177.127.255 | 16384 | 15/10/01 | Quantcom, a.s. |
| 62.201.16.0 | 62.201.31.255 | 4096 | 08/02/10 | a-net Liberec s.r.o. |
| 62.204.224.0 | 62.204.255.255 | 8192 | 09/05/03 | TTNET s.r.o. |
| 62.209.192.0 | 62.209.255.255 | 16384 | 30/01/03 | T-Mobile Czech Republic a.s. |
| 62.240.160.0 | 62.240.191.255 | 8192 | 26/05/03 | Vodafone Czech Republic a.s. |
| 62.245.64.0 | 62.245.127.255 | 16384 | 03/01/02 | Vodafone Czech Republic a.s. |
| 69.94.64.0 | 69.94.79.255 | 4096 | 19/11/03 | AVAST Software s.r.o. |
| 77.48.0.0 | 77.48.255.255 | 65536 | 23/11/06 | Vodafone Czech Republic a.s. |
| 77.78.96.0 | 77.78.111.255 | 4096 | 27/02/07 | CASABLANCA INT a.s. |
| 77.92.192.0 | 77.92.223.255 | 8192 | 09/05/07 | InterneXt 2000, s.r.o. |
| 77.93.192.0 | 77.93.223.255 | 8192 | 18/05/07 | Master Internet s.r.o. |
| 77.104.192.0 | 77.104.255.255 | 16384 | 28/11/06 | CoProSys a.s. |
| 77.236.192.0 | 77.236.223.255 | 8192 | 30/01/07 | Edera Group a.s. |
| 77.237.128.0 | 77.237.159.255 | 8192 | 02/02/07 | WMS s.r.o. |
| 77.240.96.0 | 77.240.111.255 | 4096 | 10/01/07 | Druzstvo EUROSIGNAL |
| 77.240.176.0 | 77.240.191.255 | 4096 | 18/01/07 | FASTER CZ spol. s r.o. |
| 77.242.80.0 | 77.242.95.255 | 4096 | 27/02/07 | Nej.cz s.r.o. |
| 78.44.0.0 | 78.45.255.255 | 131072 | 13/04/07 | Vodafone Czech Republic a.s. |
| 78.80.0.0 | 78.80.127.255 | 32768 | 22/03/07 | T-Mobile Czech Republic a.s. |
| 78.80.128.0 | 78.80.255.255 | 32768 | 22/03/07 | T-Mobile Czech Republic a.s. |
| 78.102.0.0 | 78.102.255.255 | 65536 | 04/06/07 | Vodafone Czech Republic a.s. |
| 78.108.96.0 | 78.108.111.255 | 4096 | 18/06/07 | FreeTel, s.r.o. |
| 78.110.208.0 | 78.110.223.255 | 4096 | 20/08/07 | METRONET s.r.o. |
| 78.111.112.0 | 78.111.127.255 | 4096 | 29/06/09 | ISP Alliance a.s. |
| 78.128.128.0 | 78.128.255.255 | 32768 | 10/04/07 | CESNET z.s.p.o. |
| 78.136.128.0 | 78.136.191.255 | 16384 | 09/05/07 | Nordic Telecom Regional s.r.o. |
| 78.156.32.0 | 78.156.63.255 | 8192 | 09/08/07 | RETE internet, s.r.o. |
| 78.156.128.0 | 78.156.159.255 | 8192 | 16/08/07 | OptoNet Communication, spol. s.r.o. |
| 78.157.128.0 | 78.157.159.255 | 8192 | 04/06/10 | PODA a.s. |
| 78.157.160.0 | 78.157.191.255 | 8192 | 30/08/07 | SilesNet s.r.o. |
| 79.110.32.0 | 79.110.47.255 | 4096 | 13/09/11 | |
| 79.127.128.0 | 79.127.191.255 | 16384 | 25/09/07 | Ipex Ltd. |
| 79.141.240.0 | 79.141.255.255 | 4096 | 26/10/07 | M-SOFT, spol. s r.o. |
| 79.142.144.0 | 79.142.159.255 | 4096 | 08/10/10 | Core4Net, s.r.o. |
| 80.65.176.0 | 80.65.191.255 | 4096 | 19/04/04 | Moravia IT s.r.o. |
| 80.74.32.0 | 80.74.47.255 | 4096 | 18/06/01 | CETIN a.s. |
| 80.78.144.0 | 80.78.159.255 | 4096 | 16/03/05 | Nej.cz s.r.o. |
| 80.79.16.0 | 80.79.31.255 | 4096 | 16/03/05 | Master Internet s.r.o. |
| 80.82.144.0 | 80.82.159.255 | 4096 | 11/04/05 | CoProSys a.s. |
| 80.83.64.0 | 80.83.79.255 | 4096 | 30/07/01 | K-net Technical International Group, s.r.o. |
| 80.87.176.0 | 80.87.191.255 | 4096 | 20/05/05 | Nordic Telecom Regional s.r.o. |
| 80.90.128.0 | 80.90.143.255 | 4096 | 07/10/08 | Nordic Telecom Regional s.r.o. |
| 80.92.240.0 | 80.92.255.255 | 4096 | 20/04/10 | LAM plus s.r.o. |
| 80.95.96.0 | 80.95.111.255 | 4096 | 05/10/01 | Vodafone Czech Republic a.s. |
| 80.95.112.0 | 80.95.127.255 | 4096 | 29/08/02 | Vodafone Czech Republic a.s. |
| 80.95.240.0 | 80.95.255.255 | 4096 | 12/08/05 | T-Mobile Czech Republic a.s. |
| 80.188.0.0 | 80.188.255.255 | 65536 | 13/06/02 | O2 Czech Republic, a.s. |
| 80.243.96.0 | 80.243.111.255 | 4096 | 27/05/09 | Nej.cz s.r.o. |
| 80.250.0.0 | 80.250.15.255 | 4096 | 29/11/01 | WIA spol. s.r.o. |
| 80.250.16.0 | 80.250.31.255 | 4096 | 27/06/05 | WIA spol. s.r.o. |
| 80.251.240.0 | 80.251.255.255 | 4096 | 21/11/05 | Nordic Telecom Regional s.r.o. |
| 81.2.192.0 | 81.2.255.255 | 16384 | 04/04/02 | INTERNET CZ, a.s. |
| 81.19.0.0 | 81.19.15.255 | 4096 | 22/01/02 | FASTER CZ spol. s r.o. |
| 81.19.32.0 | 81.19.47.255 | 4096 | 10/12/02 | CD-Telematika a.s. |
| 81.25.16.0 | 81.25.31.255 | 4096 | 27/02/06 | Cerberos s.r.o. |
| 81.27.192.0 | 81.27.207.255 | 4096 | 15/04/02 | Vodafone Czech Republic a.s. |
| 81.28.16.0 | 81.28.31.255 | 4096 | 16/03/06 | Verizon Czech s.r.o. |
| 81.30.224.0 | 81.30.255.255 | 8192 | 27/05/02 | ha-vel internet s.r.o. |
| 81.31.32.0 | 81.31.47.255 | 4096 | 28/05/02 | Master Internet s.r.o. |
| 81.90.160.0 | 81.90.175.255 | 4096 | 04/07/02 | O2 Czech Republic, a.s. |
| 81.90.240.0 | 81.90.255.255 | 4096 | 21/04/06 | ABAK, Co.Ltd. |
| 81.91.80.0 | 81.91.95.255 | 4096 | 25/04/06 | Web4U s.r.o. |
| 81.91.208.0 | 81.91.223.255 | 4096 | 27/04/06 | OvaNet, a.s. |
| 81.92.144.0 | 81.92.159.255 | 4096 | 03/05/06 | CoProSys a.s. |
| 81.95.96.0 | 81.95.111.255 | 4096 | 03/09/02 | ACTIVE 24, s.r.o. |
| 81.161.64.0 | 81.161.79.255 | 4096 | 16/07/12 | |
| 81.162.192.0 | 81.162.207.255 | 4096 | 07/12/11 | |
| 81.200.48.0 | 81.200.63.255 | 4096 | 01/06/06 | Nej.cz s.r.o. |
| 81.201.48.0 | 81.201.63.255 | 4096 | 20/06/06 | FreeTel, s.r.o. |
| 82.99.128.0 | 82.99.191.255 | 16384 | 12/12/03 | RADIOKOMUNIKACE a.s. |
| 82.100.0.0 | 82.100.63.255 | 16384 | 12/12/03 | Quantcom, a.s. |
| 82.113.32.0 | 82.113.63.255 | 8192 | 11/12/03 | Quantcom, a.s. |
| 82.114.192.0 | 82.114.223.255 | 8192 | 02/01/04 | Nej.cz s.r.o. |
| 82.117.128.0 | 82.117.159.255 | 8192 | 09/02/04 | CD-Telematika a.s. |
| 82.119.240.0 | 82.119.255.255 | 4096 | 18/02/04 | Quantcom, a.s. |
| 82.142.64.0 | 82.142.127.255 | 16384 | 05/09/03 | Vodafone Czech Republic a.s. |
| 82.144.128.0 | 82.144.159.255 | 8192 | 14/04/09 | KABELOVA TELEVIZE CZ s.r.o. |
| 82.150.160.0 | 82.150.191.255 | 8192 | 25/08/03 | Nej.cz s.r.o. |
| 82.202.0.0 | 82.202.63.255 | 16384 | 23/09/03 | InterneXt 2000, s.r.o. |
| 82.202.64.0 | 82.202.127.255 | 16384 | 23/09/03 | CD-Telematika a.s. |
| 82.209.0.0 | 82.209.63.255 | 16384 | 29/09/03 | PODA a.s. |
| 83.69.32.0 | 83.69.63.255 | 8192 | 25/05/04 | O2 Czech Republic, a.s. |
| 83.148.0.0 | 83.148.63.255 | 16384 | 24/02/04 | Quantcom, a.s. |
| 83.167.224.0 | 83.167.255.255 | 8192 | 21/08/08 | Master Internet s.r.o. |
| 83.208.0.0 | 83.208.255.255 | 65536 | 02/03/04 | O2 Czech Republic, a.s. |
| 83.240.0.0 | 83.240.127.255 | 32768 | 11/03/04 | Nej.cz s.r.o. |
| 84.16.96.0 | 84.16.127.255 | 8192 | 14/07/04 | PODA a.s. |
| 84.19.64.0 | 84.19.95.255 | 8192 | 19/08/04 | Cesky Bezdrat, s.r.o. |
| 84.21.96.0 | 84.21.127.255 | 8192 | 13/09/04 | PODA a.s. |
| 84.42.128.0 | 84.42.255.255 | 32768 | 14/09/04 | Vodafone Czech Republic a.s. |
| 84.242.64.0 | 84.242.127.255 | 16384 | 28/06/04 | Vodafone Czech Republic a.s. |
| 84.244.64.0 | 84.244.127.255 | 16384 | 21/07/04 | RADIOKOMUNIKACE a.s. |
| 85.13.64.0 | 85.13.127.255 | 16384 | 29/03/05 | CD-Telematika a.s. |
| 85.70.0.0 | 85.71.255.255 | 131072 | 02/11/04 | O2 Czech Republic, a.s. |
| 85.92.32.0 | 85.92.63.255 | 8192 | 02/12/04 | InterneXt 2000, s.r.o. |
| 85.93.96.0 | 85.93.127.255 | 8192 | 09/12/04 | Quantcom, a.s. |
| 85.93.160.0 | 85.93.191.255 | 8192 | 13/12/04 | Sprintel s.r.o. |
| 85.132.144.0 | 85.132.159.255 | 4096 | 07/12/04 | FASTER CZ spol. s r.o. |
| 85.132.160.0 | 85.132.191.255 | 8192 | 07/12/04 | Ipex Ltd. |
| 85.135.0.0 | 85.135.127.255 | 32768 | 16/12/04 | PODA a.s. |
| 85.160.0.0 | 85.161.255.255 | 131072 | 25/10/04 | O2 Czech Republic, a.s. |
| 85.162.0.0 | 85.163.255.255 | 131072 | 25/10/04 | CETIN a.s. |
| 85.184.16.0 | 85.184.31.255 | 4096 | 19/11/04 | CD-Telematika a.s. |
| 85.193.0.0 | 85.193.63.255 | 16384 | 16/12/04 | O2 Czech Republic, a.s. |
| 85.207.0.0 | 85.207.255.255 | 65536 | 17/01/05 | RADIOKOMUNIKACE a.s. |
| 85.239.64.0 | 85.239.95.255 | 8192 | 16/06/05 | ANECT a.s. |
| 86.49.0.0 | 86.49.255.255 | 65536 | 21/04/05 | Vodafone Czech Republic a.s. |
| 86.61.128.0 | 86.61.255.255 | 32768 | 20/05/05 | PODA a.s. |
| 86.63.192.0 | 86.63.223.255 | 8192 | 29/06/05 | Nej.cz s.r.o. |
| 87.249.144.0 | 87.249.159.255 | 4096 | 30/08/05 | TTNET s.r.o. |
| 88.81.64.0 | 88.81.95.255 | 8192 | 02/12/05 | Nordic Telecom Regional s.r.o. |
| 88.83.160.0 | 88.83.191.255 | 8192 | 09/01/06 | O2 Czech Republic, a.s. |
| 88.83.224.0 | 88.83.255.255 | 8192 | 11/01/06 | Nej.cz s.r.o. |
| 88.86.96.0 | 88.86.127.255 | 8192 | 14/02/06 | SH.cz s.r.o. |
| 88.100.0.0 | 88.103.255.255 | 262144 | 04/10/05 | O2 Czech Republic, a.s. |
| 88.146.0.0 | 88.146.127.255 | 32768 | 20/12/05 | Quantcom, a.s. |
| 88.146.128.0 | 88.146.255.255 | 32768 | 23/12/05 | Vodafone Czech Republic a.s. |
| 88.208.64.0 | 88.208.127.255 | 16384 | 28/10/05 | Quantcom, a.s. |
| 89.22.64.0 | 89.22.95.255 | 8192 | 11/07/11 | |
| 89.24.0.0 | 89.24.127.255 | 32768 | 11/05/06 | T-Mobile Czech Republic a.s. |
| 89.24.128.0 | 89.24.255.255 | 32768 | 04/05/07 | T-Mobile Czech Republic a.s. |
| 89.29.0.0 | 89.29.127.255 | 32768 | 19/07/06 | PODA a.s. |
| 89.102.0.0 | 89.103.255.255 | 131072 | 24/02/06 | Vodafone Czech Republic a.s. |
| 89.111.64.0 | 89.111.127.255 | 16384 | 25/04/06 | Telco Pro Services, a. s. |
| 89.176.0.0 | 89.177.255.255 | 131072 | 16/03/06 | Vodafone Czech Republic a.s. |
| 89.185.224.0 | 89.185.255.255 | 8192 | 12/04/06 | Master Internet s.r.o. |
| 89.187.128.0 | 89.187.159.255 | 8192 | 28/04/06 | Coolhousing s.r.o. |
| 89.187.160.0 | 89.187.191.255 | 8192 | 28/04/06 | DataCamp s.r.o. |
| 89.190.48.0 | 89.190.63.255 | 4096 | 06/06/06 | Nej.cz s.r.o. |
| 89.190.64.0 | 89.190.95.255 | 8192 | 06/06/06 | "N_SYS s.r.o." |
| 89.203.128.0 | 89.203.255.255 | 32768 | 27/04/06 | CD-Telematika a.s. |
| 89.221.208.0 | 89.221.223.255 | 4096 | 11/10/06 | WEDOS Internet, a.s. |
| 89.233.128.0 | 89.233.191.255 | 16384 | 10/05/06 | T-Mobile Czech Republic a.s. |
| 89.235.0.0 | 89.235.63.255 | 16384 | 30/05/06 | Quantcom, a.s. |
| 89.239.0.0 | 89.239.31.255 | 8192 | 09/06/06 | GREPA Networks s.r.o. |
| 89.248.240.0 | 89.248.255.255 | 4096 | 14/07/06 | hkfree.org z.s. |
| 89.250.240.0 | 89.250.255.255 | 4096 | 23/08/06 | SITEL spol. s r.o. |
| 90.176.32.0 | 90.176.63.255 | 8192 | 17/09/06 | O2 Czech Republic, a.s. |
| 90.176.64.0 | 90.176.127.255 | 16384 | 17/09/06 | O2 Czech Republic, a.s. |
| 90.176.128.0 | 90.176.255.255 | 32768 | 17/09/06 | O2 Czech Republic, a.s. |
| 90.177.0.0 | 90.177.255.255 | 65536 | 17/09/06 | O2 Czech Republic, a.s. |
| 90.178.0.0 | 90.179.255.255 | 131072 | 17/09/06 | O2 Czech Republic, a.s. |
| 90.180.0.0 | 90.183.255.255 | 262144 | 17/09/06 | O2 Czech Republic, a.s. |
| 91.106.240.0 | 91.106.255.255 | 4096 | 25/06/12 | PODA a.s. |
| 91.139.0.0 | 91.139.127.255 | 32768 | 22/05/07 | T-Mobile Czech Republic a.s. |
| 91.187.32.0 | 91.187.63.255 | 8192 | 16/11/06 | Nordic Telecom Regional s.r.o. |
| 92.38.0.0 | 92.38.127.255 | 32768 | 01/02/08 | ALFA TELECOM s.r.o. |
| 92.61.80.0 | 92.61.95.255 | 4096 | 18/12/07 | Nordic Telecom Regional s.r.o. |
| 92.62.224.0 | 92.62.239.255 | 4096 | 28/01/08 | STARNET, s.r.o. |
| 92.63.48.0 | 92.63.63.255 | 4096 | 31/01/08 | NEW TELEKOM, spol. s r.o. |
| 92.240.160.0 | 92.240.191.255 | 8192 | 23/11/07 | Nej.cz s.r.o. |
| 92.243.192.0 | 92.243.223.255 | 8192 | 30/01/08 | O2 Czech Republic, a.s. |
| 92.253.128.0 | 92.253.255.255 | 32768 | 03/12/07 | ALFA TELECOM s.r.o. |
| 93.89.96.0 | 93.89.111.255 | 4096 | 04/04/08 | SychrovNET s.r.o |
| 93.89.144.0 | 93.89.159.255 | 4096 | 09/04/08 | GRADACE, spol. s r.o. |
| 93.90.160.0 | 93.90.175.255 | 4096 | 23/04/08 | Vodafone Czech Republic a.s. |
| 93.91.48.0 | 93.91.63.255 | 4096 | 02/05/08 | inet4 s.r.o. |
| 93.91.144.0 | 93.91.159.255 | 4096 | 16/05/08 | ISP Alliance a.s. |
| 93.91.240.0 | 93.91.255.255 | 4096 | 21/05/08 | Core4Net, s.r.o. |
| 93.99.0.0 | 93.99.255.255 | 65536 | 25/02/08 | Vodafone Czech Republic a.s. |
| 93.153.0.0 | 93.153.127.255 | 32768 | 07/05/08 | T-Mobile Czech Republic a.s. |
| 93.170.0.0 | 93.171.255.255 | 131072 | 20/03/08 | ALFA TELECOM s.r.o. |
| 93.181.64.0 | 93.181.127.255 | 16384 | 28/04/08 | PODA a.s. |
| 93.185.0.0 | 93.185.15.255 | 4096 | 04/06/08 | C2NET s.r.o. |
| 93.185.48.0 | 93.185.63.255 | 4096 | 05/06/08 | ha-vel internet s.r.o. |
| 93.185.96.0 | 93.185.111.255 | 4096 | 06/06/08 | VSHosting s.r.o. |
| 94.74.192.0 | 94.74.255.255 | 16384 | 17/07/08 | Nej.cz s.r.o. |
| 94.112.0.0 | 94.113.255.255 | 131072 | 09/07/08 | Vodafone Czech Republic a.s. |
| 94.138.96.0 | 94.138.127.255 | 8192 | 22/09/08 | CoProSys a.s. |
| 94.229.80.0 | 94.229.95.255 | 4096 | 13/11/08 | MASTER IT Technologies, a.s. |
| 94.230.144.0 | 94.230.159.255 | 4096 | 24/12/08 | AIRWAYNET, a.s. |
| 94.241.64.0 | 94.241.127.255 | 16384 | 29/09/08 | Nordic Telecom Regional s.r.o. |
| 94.242.64.0 | 94.242.127.255 | 16384 | 17/10/08 | PODA a.s. |
| 95.46.0.0 | 95.47.255.255 | 131072 | 01/12/08 | ALFA TELECOM s.r.o. |
| 95.80.192.0 | 95.80.255.255 | 16384 | 26/11/08 | Quantcom, a.s. |
| 95.82.128.0 | 95.82.191.255 | 16384 | 11/12/08 | Nej.cz s.r.o. |
| 95.85.192.0 | 95.85.255.255 | 16384 | 31/12/08 | METRONET s.r.o. |
| 95.140.240.0 | 95.140.255.255 | 4096 | 05/10/09 | ABLE agency, s.r.o. |
| 95.143.128.0 | 95.143.143.255 | 4096 | 25/08/09 | Nej.cz s.r.o. |
| 95.168.192.0 | 95.168.223.255 | 8192 | 07/01/09 | SH.cz s.r.o. |
| 95.173.64.0 | 95.173.95.255 | 8192 | 05/03/09 | ha-vel internet s.r.o. |
| 95.173.208.0 | 95.173.223.255 | 4096 | 10/03/09 | PRO-ZETA a.s. |
| 95.182.64.0 | 95.182.127.255 | 16384 | 05/02/09 | NetArt Group s.r.o. |
| 109.72.0.0 | 109.72.15.255 | 4096 | 04/09/09 | Nej.cz s.r.o. |
| 109.73.208.0 | 109.73.223.255 | 4096 | 16/10/09 | KHnet.info, z.s. |
| 109.75.0.0 | 109.75.15.255 | 4096 | 13/11/09 | KYOCERA AVX Components s.r.o. |
| 109.75.144.0 | 109.75.159.255 | 4096 | 20/11/09 | T-Mobile Czech Republic a.s. |
| 109.80.0.0 | 109.81.255.255 | 131072 | 10/07/09 | O2 Czech Republic, a.s. |
| 109.105.32.0 | 109.105.63.255 | 8192 | 14/09/09 | Nej.cz s.r.o. |
| 109.107.192.0 | 109.107.223.255 | 8192 | 21/10/09 | Vodafone Czech Republic a.s. |
| 109.108.96.0 | 109.108.127.255 | 8192 | 27/10/09 | Nordic Telecom Regional s.r.o. |
| 109.164.0.0 | 109.164.127.255 | 32768 | 14/10/09 | SITKOM spol. s r.o. |
| 109.183.0.0 | 109.183.255.255 | 65536 | 29/09/09 | T-Mobile Czech Republic a.s. |
| 109.202.64.0 | 109.202.95.255 | 8192 | 15/02/10 | TETA s.r.o. |
| 109.224.64.0 | 109.224.127.255 | 16384 | 08/01/10 | M.NET STUDENKA s. r. o. |
| 109.231.128.0 | 109.231.191.255 | 16384 | 08/03/10 | TechCom s.r.o. |
| 109.238.32.0 | 109.238.47.255 | 4096 | 20/01/10 | ha-vel internet s.r.o. |
| 109.238.208.0 | 109.238.223.255 | 4096 | 28/01/10 | T-Mobile Czech Republic a.s. |
| 109.239.64.0 | 109.239.79.255 | 4096 | 03/02/10 | Nej.cz s.r.o. |
| 109.248.16.0 | 109.248.31.255 | 4096 | 27/11/09 | NetArt LIR, k.s. |
| 109.248.32.0 | 109.248.63.255 | 8192 | 27/11/09 | NetArt Group s.r.o. |
| 109.248.64.0 | 109.248.127.255 | 16384 | 27/11/09 | NetArt Group s.r.o. |
| 109.248.128.0 | 109.248.191.255 | 16384 | 27/11/09 | NetArt Group s.r.o. |
| 109.248.192.0 | 109.248.207.255 | 4096 | 27/11/09 | NetArt Group s.r.o. |
| 109.248.224.0 | 109.248.255.255 | 8192 | 27/11/09 | NetArt Group s.r.o. |
| 128.0.176.0 | 128.0.191.255 | 4096 | 14/09/12 | PODA a.s. |
| 137.98.0.0 | 137.98.255.255 | 65536 | 15/11/89 | |
| 141.170.128.0 | 141.170.191.255 | 16384 | 01/07/11 | Vodafone Czech Republic a.s. |
| 146.102.0.0 | 146.102.255.255 | 65536 | 05/02/91 | |
| 146.120.0.0 | 146.120.255.255 | 65536 | 12/07/11 | ALFA TELECOM s.r.o. |
| 146.158.0.0 | 146.158.127.255 | 32768 | 12/07/11 | ALFA TELECOM s.r.o. |
| 147.32.0.0 | 147.32.255.255 | 65536 | 18/06/91 | |
| 147.33.0.0 | 147.33.255.255 | 65536 | 18/06/91 | |
| 147.228.0.0 | 147.228.255.255 | 65536 | 03/03/92 | |
| 147.229.0.0 | 147.229.255.255 | 65536 | 11/01/93 | Brno University of Technology |
| 147.230.0.0 | 147.230.255.255 | 65536 | 03/03/92 | |
| 147.231.0.0 | 147.231.255.255 | 65536 | 25/11/92 | |
| 147.251.0.0 | 147.251.255.255 | 65536 | 02/08/91 | |
| 149.255.64.0 | 149.255.95.255 | 8192 | 19/08/11 | Ceznet sro |
| 151.249.128.0 | 151.249.255.255 | 32768 | 20/08/12 | ALFA TELECOM s.r.o. |
| 156.137.0.0 | 156.137.255.255 | 65536 | 10/06/92 | |
| 158.194.0.0 | 158.194.255.255 | 65536 | 08/12/92 | |
| 158.196.0.0 | 158.196.255.255 | 65536 | 03/02/93 | |
| 160.216.0.0 | 160.216.255.255 | 65536 | 05/04/04 | |
| 160.217.0.0 | 160.217.255.255 | 65536 | 05/04/04 | |
| 160.218.0.0 | 160.218.255.255 | 65536 | 05/04/04 | O2 Czech Republic, a.s. |
| 164.215.112.0 | 164.215.127.255 | 4096 | 25/11/11 | PODA a.s. |
| 165.72.0.0 | 165.72.255.255 | 65536 | 19/04/93 | |
| 176.12.112.0 | 176.12.127.255 | 4096 | 14/09/11 | Sauron CZ s.r.o. |
| 176.62.224.0 | 176.62.239.255 | 4096 | 09/06/11 | IP4ISP z.s.p.o |
| 176.74.128.0 | 176.74.159.255 | 8192 | 15/06/11 | NetDataComm, s.r.o. |
| 176.96.224.0 | 176.96.255.255 | 8192 | 15/08/11 | Emerald Real Group s.r.o. |
| 176.98.96.0 | 176.98.111.255 | 4096 | 13/10/11 | Nej.cz s.r.o. |
| 176.101.144.0 | 176.101.159.255 | 4096 | 09/11/11 | |
| 176.102.128.0 | 176.102.159.255 | 8192 | 25/11/11 | Nordic Telecom Regional s.r.o. |
| 176.114.240.0 | 176.114.255.255 | 4096 | 18/04/12 | |
| 176.118.208.0 | 176.118.223.255 | 4096 | 01/06/12 | Emerald Real Group s.r.o. |
| 176.122.32.0 | 176.122.47.255 | 4096 | 10/07/12 | |
| 178.17.0.0 | 178.17.15.255 | 4096 | 11/03/10 | UVT Internet s.r.o. |
| 178.17.80.0 | 178.17.95.255 | 4096 | 18/03/10 | Nordic Telecom Regional s.r.o. |
| 178.17.96.0 | 178.17.111.255 | 4096 | 18/03/10 | Nej.cz s.r.o. |
| 178.72.192.0 | 178.72.255.255 | 16384 | 18/03/10 | Nej.cz s.r.o. |
| 178.77.192.0 | 178.77.255.255 | 16384 | 21/04/10 | Vodafone Czech Republic a.s. |
| 178.209.128.0 | 178.209.159.255 | 8192 | 03/06/10 | Dragon Internet a.s. |
| 178.238.32.0 | 178.238.47.255 | 4096 | 12/07/10 | Master Internet s.r.o. |
| 188.75.128.0 | 188.75.191.255 | 16384 | 24/08/09 | JON.CZ s.r.o. |
| 188.116.64.0 | 188.116.127.255 | 16384 | 04/06/09 | SELECT SYSTEM, s.r.o. |
| 188.120.192.0 | 188.120.223.255 | 8192 | 05/05/09 | IP4ISP z.s.p.o |
| 188.122.192.0 | 188.122.223.255 | 8192 | 04/06/09 | Magnalink, a.s. |
| 188.130.128.0 | 188.130.191.255 | 16384 | 31/03/09 | NetArt Group s.r.o. |
| 188.130.192.0 | 188.130.223.255 | 8192 | 31/03/09 | NetArt Group s.r.o. |
| 188.130.240.0 | 188.130.255.255 | 4096 | 31/03/09 | NetArt Group s.r.o. |
| 188.134.128.0 | 188.134.255.255 | 32768 | 28/04/09 | PODA a.s. |
| 188.175.0.0 | 188.175.255.255 | 65536 | 24/08/09 | Nej.cz s.r.o. |
| 188.244.48.0 | 188.244.63.255 | 4096 | 31/07/09 | InterneXt 2000, s.r.o. |
| 188.246.96.0 | 188.246.127.255 | 8192 | 18/08/09 | SychrovNET s.r.o |
| 192.124.175.0 | 192.124.191.255 | 4352 | 23/09/91 | |
| 193.84.32.0 | 193.84.47.255 | 4096 | 01/09/93 | |
| 193.84.144.0 | 193.84.159.255 | 4096 | 01/09/93 | |
| 193.84.160.0 | 193.84.175.255 | 4096 | 01/09/93 | |
| 193.84.192.0 | 193.84.223.255 | 8192 | 01/09/93 | |
| 193.85.0.0 | 193.85.255.255 | 65536 | 01/09/93 | T-Mobile Czech Republic a.s. |
| 193.86.0.0 | 193.86.255.255 | 65536 | 20/06/94 | T-Mobile Czech Republic a.s. |
| 193.150.128.0 | 193.150.143.255 | 4096 | 10/06/97 | FIBER TELECOM s.r.o. |
| 193.164.32.0 | 193.164.79.255 | 12288 | 14/03/96 | |
| 193.165.0.0 | 193.165.255.255 | 65536 | 21/03/96 | PODA a.s. |
| 193.179.0.0 | 193.179.255.255 | 65536 | 08/08/95 | T-Mobile Czech Republic a.s. |
| 194.12.32.0 | 194.12.47.255 | 4096 | 18/08/10 | |
| 194.87.0.0 | 194.87.127.255 | 32768 | 01/09/94 | Reliable Communications s.r.o. |
| 194.87.128.0 | 194.87.255.255 | 32768 | 01/09/94 | Reliable Communications s.r.o. |
| 194.108.0.0 | 194.108.31.255 | 8192 | 03/11/94 | T-Mobile Czech Republic a.s. |
| 194.108.32.0 | 194.108.63.255 | 8192 | 12/01/95 | T-Mobile Czech Republic a.s. |
| 194.108.64.0 | 194.108.127.255 | 16384 | 01/01/95 | T-Mobile Czech Republic a.s. |
| 194.108.128.0 | 194.108.255.255 | 32768 | 01/01/95 | T-Mobile Czech Republic a.s. |
| 194.149.96.0 | 194.149.127.255 | 8192 | 28/05/01 | T-Mobile Czech Republic a.s. |
| 194.212.0.0 | 194.212.255.255 | 65536 | 14/12/95 | T-Mobile Czech Republic a.s. |
| 194.213.32.0 | 194.213.63.255 | 8192 | 26/01/96 | T-Mobile Czech Republic a.s. |
| 194.213.192.0 | 194.213.223.255 | 8192 | 11/01/96 | T-Mobile Czech Republic a.s. |
| 194.213.224.0 | 194.213.255.255 | 8192 | 30/01/96 | Quantcom, a.s. |
| 194.228.0.0 | 194.228.31.255 | 8192 | 12/01/96 | O2 Czech Republic, a.s. |
| 194.228.32.0 | 194.228.63.255 | 8192 | 03/10/97 | O2 Czech Republic, a.s. |
| 194.228.64.0 | 194.228.127.255 | 16384 | 03/10/97 | O2 Czech Republic, a.s. |
| 194.228.128.0 | 194.228.255.255 | 32768 | 03/10/97 | O2 Czech Republic, a.s. |
| 195.22.32.0 | 195.22.63.255 | 8192 | 19/06/97 | T-Mobile Czech Republic a.s. |
| 195.39.0.0 | 195.39.127.255 | 32768 | 02/12/96 | T-Mobile Czech Republic a.s. |
| 195.47.0.0 | 195.47.127.255 | 32768 | 10/12/96 | T-Mobile Czech Republic a.s. |
| 195.58.32.0 | 195.58.63.255 | 8192 | 30/06/97 | Reliable Communications s.r.o. |
| 195.70.128.0 | 195.70.159.255 | 8192 | 08/11/96 | T-Mobile Czech Republic a.s. |
| 195.113.0.0 | 195.113.255.255 | 65536 | 17/03/97 | CESNET z.s.p.o. |
| 195.122.192.0 | 195.122.223.255 | 8192 | 20/07/00 | Quantcom, a.s. |
| 195.128.192.0 | 195.128.223.255 | 8192 | 23/05/97 | Quantcom, a.s. |
| 195.133.0.0 | 195.133.63.255 | 16384 | 15/04/97 | Reliable Communications s.r.o. |
| 195.133.64.0 | 195.133.95.255 | 8192 | 15/04/97 | Reliable Communications s.r.o. |
| 195.144.96.0 | 195.144.127.255 | 8192 | 18/03/97 | T-Mobile Czech Republic a.s. |
| 195.146.96.0 | 195.146.127.255 | 8192 | 08/09/97 | CD-Telematika a.s. |
| 195.178.64.0 | 195.178.95.255 | 8192 | 26/02/97 | CESNET z.s.p.o. |
| 195.181.208.0 | 195.181.223.255 | 4096 | 20/03/97 | INTERNET CZ, a.s. |
| 195.250.128.0 | 195.250.159.255 | 8192 | 07/01/97 | Quantcom, a.s. |
| 198.141.0.0 | 198.141.255.255 | 65536 | 19/04/93 | |
| 199.40.0.0 | 199.41.255.255 | 131072 | 28/10/93 | |
| 212.4.128.0 | 212.4.159.255 | 8192 | 11/06/08 | Nej.cz s.r.o. |
| 212.11.96.0 | 212.11.127.255 | 8192 | 06/09/99 | CD-Telematika a.s. |
| 212.20.64.0 | 212.20.95.255 | 8192 | 31/07/98 | Mopos Communications A.S. |
| 212.20.96.0 | 212.20.127.255 | 8192 | 16/08/99 | Quantcom, a.s. |
| 212.24.128.0 | 212.24.159.255 | 8192 | 15/04/98 | Quantcom, a.s. |
| 212.27.192.0 | 212.27.223.255 | 8192 | 31/08/98 | Quantcom, a.s. |
| 212.47.0.0 | 212.47.31.255 | 8192 | 02/04/98 | T-Mobile Czech Republic a.s. |
| 212.65.192.0 | 212.65.223.255 | 8192 | 01/06/99 | T-Mobile Czech Republic a.s. |
| 212.65.224.0 | 212.65.255.255 | 8192 | 25/01/00 | T-Mobile Czech Republic a.s. |
| 212.67.64.0 | 212.67.95.255 | 8192 | 26/01/99 | T-Mobile Czech Republic a.s. |
| 212.71.128.0 | 212.71.159.255 | 8192 | 10/12/98 | Ipex Ltd. |
| 212.71.160.0 | 212.71.191.255 | 8192 | 22/06/99 | Ipex Ltd. |
| 212.79.96.0 | 212.79.111.255 | 4096 | 18/10/10 | FreeTel, s.r.o. |
| 212.80.64.0 | 212.80.95.255 | 8192 | 12/01/99 | Quantcom, a.s. |
| 212.90.224.0 | 212.90.255.255 | 8192 | 31/07/00 | InterneXt 2000, s.r.o. |
| 212.96.160.0 | 212.96.191.255 | 8192 | 07/07/99 | Nej.cz s.r.o. |
| 212.109.176.0 | 212.109.191.255 | 4096 | 05/03/12 | PODA a.s. |
| 212.111.0.0 | 212.111.31.255 | 8192 | 12/11/98 | InterneXt 2000, s.r.o. |
| 212.158.128.0 | 212.158.159.255 | 8192 | 06/09/02 | RADIOKOMUNIKACE a.s. |
| 212.192.0.0 | 212.192.31.255 | 8192 | 15/01/98 | Reliable Communications s.r.o. |
| 212.192.208.0 | 212.192.223.255 | 4096 | 15/01/98 | Reliable Communications s.r.o. |
| 212.192.240.0 | 212.192.255.255 | 4096 | 15/01/98 | Reliable Communications s.r.o. |
| 212.193.0.0 | 212.193.31.255 | 8192 | 12/05/99 | Reliable Communications s.r.o. |
| 213.19.0.0 | 213.19.127.255 | 32768 | 26/09/03 | Nordic Telecom Regional s.r.o. |
| 213.29.0.0 | 213.29.255.255 | 65536 | 08/01/04 | T-Mobile Czech Republic a.s. |
| 213.129.128.0 | 213.129.159.255 | 8192 | 26/08/08 | SOFTEX NCP, s.r.o. |
| 213.151.64.0 | 213.151.95.255 | 8192 | 06/04/00 | Quantcom, a.s. |
| 213.155.32.0 | 213.155.63.255 | 8192 | 07/12/07 | Nordic Telecom Regional s.r.o. |
| 213.155.224.0 | 213.155.255.255 | 8192 | 30/01/03 | Nej.cz s.r.o. |
| 213.168.160.0 | 213.168.175.255 | 4096 | 25/05/01 | Ipex Ltd. |
| 213.168.176.0 | 213.168.191.255 | 4096 | 08/04/03 | Dragon Internet a.s. |
| 213.175.32.0 | 213.175.63.255 | 8192 | 12/01/01 | Quantcom, a.s. |
| 213.180.32.0 | 213.180.63.255 | 8192 | 18/01/01 | Nej.cz s.r.o. |
| 213.191.96.0 | 213.191.127.255 | 8192 | 11/12/02 | Quantcom, a.s. |
| 213.192.0.0 | 213.192.63.255 | 16384 | 01/10/04 | Vodafone Czech Republic a.s. |
| 213.194.192.0 | 213.194.207.255 | 4096 | 20/02/03 | Kabelova televize Koprivnice, s.r.o. |
| 213.194.224.0 | 213.194.255.255 | 8192 | 20/02/03 | TKR Jasek, s.r.o. |
| 213.195.192.0 | 213.195.255.255 | 16384 | 15/07/02 | ha-vel internet s.r.o. |
| 213.210.128.0 | 213.210.191.255 | 16384 | 02/05/00 | T-Mobile Czech Republic a.s. |
| 213.211.32.0 | 213.211.63.255 | 8192 | 27/03/03 | Nej.cz s.r.o. |
| 213.216.32.0 | 213.216.63.255 | 8192 | 01/04/03 | PODA a.s. |
| 213.220.192.0 | 213.220.255.255 | 16384 | 06/03/03 | Vodafone Czech Republic a.s. |
| 213.226.192.0 | 213.226.207.255 | 4096 | 31/03/03 | BECO Link,spol.s.r.o. |
| 213.226.208.0 | 213.226.223.255 | 4096 | 31/03/03 | OMEGA plus Chrudim s.r.o. |
| 213.226.224.0 | 213.226.255.255 | 8192 | 31/03/03 | M-SOFT, spol. s r.o. |
| 213.235.64.0 | 213.235.127.255 | 16384 | 14/11/02 | InterneXt 2000, s.r.o. |
| 213.235.128.0 | 213.235.191.255 | 16384 | 29/08/00 | CD-Telematika a.s. |
| 213.250.192.0 | 213.250.255.255 | 16384 | 28/02/03 | Nordic Telecom Regional s.r.o. |
| 217.16.176.0 | 217.16.191.255 | 4096 | 08/12/09 | VSHosting s.r.o. |
| 217.28.80.0 | 217.28.95.255 | 4096 | 05/11/10 | FIBER Network s.r.o. |
| 217.29.0.0 | 217.29.15.255 | 4096 | 06/03/09 | NETAIR, s.r.o. |
| 217.30.64.0 | 217.30.79.255 | 4096 | 10/12/08 | T-Mobile Czech Republic a.s. |
| 217.31.48.0 | 217.31.63.255 | 4096 | 10/06/03 | Webglobe, s.r.o. |
| 217.31.192.0 | 217.31.207.255 | 4096 | 27/08/02 | CZ.NIC, z.s.p.o. |
| 217.64.0.0 | 217.64.15.255 | 4096 | 05/05/03 | GiTy, a.s. |
| 217.66.160.0 | 217.66.175.255 | 4096 | 06/11/00 | ha-vel internet s.r.o. |
| 217.66.176.0 | 217.66.191.255 | 4096 | 25/01/02 | ha-vel internet s.r.o. |
| 217.69.96.0 | 217.69.111.255 | 4096 | 17/11/00 | Masarykova univerzita - Ustav vypocetni techniky |
| 217.75.208.0 | 217.75.223.255 | 4096 | 07/10/03 | ISP Alliance a.s. |
| 217.77.160.0 | 217.77.175.255 | 4096 | 04/12/00 | Vodafone Czech Republic a.s. |
| 217.112.160.0 | 217.112.175.255 | 4096 | 12/01/01 | AVONET, s.r.o. |
| 217.115.240.0 | 217.115.255.255 | 4096 | 15/01/04 | AVONET, s.r.o. |
| 217.117.208.0 | 217.117.223.255 | 4096 | 02/02/04 | O2 Czech Republic, a.s. |
| 217.168.208.0 | 217.168.223.255 | 4096 | 22/07/04 | TRIOPTIMUM s.r.o. |
| 217.169.176.0 | 217.169.191.255 | 4096 | 04/08/04 | Spinoco Czech Republic, a.s. |
| 217.170.96.0 | 217.170.111.255 | 4096 | 21/11/08 | Nordic Telecom Regional s.r.o. |
| 217.194.160.0 | 217.194.175.255 | 4096 | 02/04/09 | O2 Czech Republic, a.s. |
| 217.195.160.0 | 217.195.175.255 | 4096 | 24/04/01 | Nej.cz s.r.o. |
| 217.196.112.0 | 217.196.127.255 | 4096 | 14/05/10 | Nordic Telecom Regional s.r.o. |
| 217.196.208.0 | 217.196.223.255 | 4096 | 13/10/04 | MIRAMO spol. s.r.o. |
| 217.197.32.0 | 217.197.47.255 | 4096 | 27/02/09 | MIRAMO spol. s.r.o. |
| 217.197.144.0 | 217.197.159.255 | 4096 | 21/10/04 | Nordic Telecom Regional s.r.o. |
| 217.198.112.0 | 217.198.127.255 | 4096 | 15/11/04 | ZONER a.s.
|
Major IP Address Blocks For Czech Republic