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Major IP Address Blocks For Czech Republic
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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.
| 128.0.176.0 | 128.0.191.255 | 4096 | 14/09/12 | PODA a.s. | | 91.245.96.0 | 91.245.127.255 | 8192 | 20/08/12 | | | 151.249.128.0 | 151.249.255.255 | 32768 | 20/08/12 | ALFA TELECOM s.r.o. | | 91.245.0.0 | 91.245.31.255 | 8192 | 17/08/12 | | | 81.161.64.0 | 81.161.95.255 | 8192 | 16/07/12 | | | 176.122.32.0 | 176.122.47.255 | 4096 | 10/07/12 | | | 176.121.0.0 | 176.121.15.255 | 4096 | 28/06/12 | | | 5.102.48.0 | 5.102.63.255 | 4096 | 27/06/12 | CMS Consulting s.r.o. | | 91.106.240.0 | 91.106.255.255 | 4096 | 25/06/12 | PODA a.s. | | 5.59.0.0 | 5.59.255.255 | 65536 | 04/06/12 | CoProSys a.s. | | 176.118.208.0 | 176.118.223.255 | 4096 | 01/06/12 | Emerald Real Group s.r.o. | | 176.114.240.0 | 176.114.255.255 | 4096 | 18/04/12 | | | 37.235.96.0 | 37.235.111.255 | 4096 | 17/04/12 | SuperNetwork s.r.o. | | 37.221.240.0 | 37.221.255.255 | 4096 | 10/04/12 | ISP Alliance a.s. | | 176.112.128.0 | 176.112.159.255 | 8192 | 22/03/12 | Emerald Real Group s.r.o. | | 37.188.128.0 | 37.188.255.255 | 32768 | 20/03/12 | Eurotel Praha, spol. s r.o. | | 212.109.176.0 | 212.109.191.255 | 4096 | 05/03/12 | PODA a.s. | | 37.77.224.0 | 37.77.255.255 | 8192 | 03/02/12 | Wic-Net, s.r.o. | | 37.48.0.0 | 37.48.63.255 | 16384 | 23/01/12 | T-Mobile Czech Republic a.s. | | 37.44.16.0 | 37.44.31.255 | 4096 | 09/01/12 | Matrigo s.r.o. | | 176.103.224.0 | 176.103.239.255 | 4096 | 23/12/11 | | | 81.162.192.0 | 81.162.207.255 | 4096 | 07/12/11 | | | 176.102.128.0 | 176.102.159.255 | 8192 | 25/11/11 | | | 164.215.112.0 | 164.215.127.255 | 4096 | 25/11/11 | PODA a.s. | | 176.102.96.0 | 176.102.111.255 | 4096 | 23/11/11 | | | 158.255.16.0 | 158.255.31.255 | 4096 | 14/11/11 | Vladislav Heczko PE | | 176.101.144.0 | 176.101.159.255 | 4096 | 09/11/11 | | | 176.98.96.0 | 176.98.111.255 | 4096 | 13/10/11 | | | 188.227.128.0 | 188.227.159.255 | 8192 | 16/09/11 | Ignum Telekomunikace s.r.o. | | 176.12.112.0 | 176.12.127.255 | 4096 | 14/09/11 | Sauron CZ s.r.o. | | 79.110.32.0 | 79.110.47.255 | 4096 | 13/09/11 | | | 149.255.64.0 | 149.255.95.255 | 8192 | 19/08/11 | FDLnet.CZ, s.r.o. | | 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. | | 89.22.64.0 | 89.22.95.255 | 8192 | 11/07/11 | | | 141.170.128.0 | 141.170.191.255 | 16384 | 01/07/11 | UPC Ceska Republica, s.r.o. | | 31.132.16.0 | 31.132.31.255 | 4096 | 16/06/11 | | | 176.74.128.0 | 176.74.159.255 | 8192 | 15/06/11 | NetDataComm, s.r.o. | | 176.62.224.0 | 176.62.239.255 | 4096 | 09/06/11 | IP4ISP z.s.p.o | | 31.222.0.0 | 31.222.15.255 | 4096 | 12/05/11 | Radovan Ochvat trading as SAO Computers | | 31.207.0.0 | 31.207.63.255 | 16384 | 02/05/11 | CEU Servers s.r.o. | | 31.192.64.0 | 31.192.95.255 | 8192 | 20/04/11 | Net-Connect s.r.o. | | 31.169.128.0 | 31.169.255.255 | 32768 | 29/03/11 | UPC Ceska Republica, s.r.o. | | 31.47.96.0 | 31.47.111.255 | 4096 | 22/03/11 | FreeTel, s.r.o. | | 31.31.224.0 | 31.31.255.255 | 8192 | 21/03/11 | SATT a.s. | | 31.30.0.0 | 31.30.255.255 | 65536 | 15/03/11 | Vodafone Czech Republic a.s. | | 31.28.128.0 | 31.28.159.255 | 8192 | 28/02/11 | COMA s.r.o. | | 188.191.48.0 | 188.191.63.255 | 4096 | 18/02/11 | | | 46.229.112.0 | 46.229.127.255 | 4096 | 15/02/11 | Alberon Letohrad s.r.o | | 31.148.0.0 | 31.148.255.255 | 65536 | 11/02/11 | ALFA TELECOM s.r.o. | | 46.234.96.0 | 46.234.127.255 | 8192 | 10/02/11 | SuperNetwork s.r.o. | | 46.234.160.0 | 46.234.191.255 | 8192 | 10/02/11 | TRINITY CZECH REPUBLIC, s.r.o. | | 46.228.16.0 | 46.228.31.255 | 4096 | 03/02/11 | ORKA systems, s.r.o. | | 46.173.192.0 | 46.173.207.255 | 4096 | 26/01/11 | | | 46.253.96.0 | 46.253.111.255 | 4096 | 07/01/11 | Internet2 s.r.o. | | 46.252.224.0 | 46.252.239.255 | 4096 | 27/12/10 | JaroNet s.r.o. | | 46.149.112.0 | 46.149.127.255 | 4096 | 23/12/10 | | | 46.167.192.0 | 46.167.255.255 | 16384 | 21/12/10 | UPC Ceska Republica, s.r.o. | | 46.39.160.0 | 46.39.191.255 | 8192 | 15/12/10 | SMART Comp. a.s. | | 46.23.128.0 | 46.23.143.255 | 4096 | 08/12/10 | NEOS v.o.s. | | 46.23.48.0 | 46.23.63.255 | 4096 | 02/12/10 | ISP Alliance a.s. | | 46.135.0.0 | 46.135.255.255 | 65536 | 11/11/10 | Vodafone Czech Republic a.s. | | 217.28.80.0 | 217.28.95.255 | 4096 | 05/11/10 | FIBER Network s.r.o. | | 46.36.32.0 | 46.36.63.255 | 8192 | 25/10/10 | GTT a.s. | | 46.47.128.0 | 46.47.191.255 | 16384 | 22/10/10 | PODA a.s. | | 212.79.96.0 | 212.79.111.255 | 4096 | 18/10/10 | FreeTel, s.r.o. | | 79.142.144.0 | 79.142.159.255 | 4096 | 08/10/10 | Jiri Strohalm PE | | 46.13.0.0 | 46.13.255.255 | 65536 | 24/09/10 | T-Mobile Czech Republic a.s. | | 46.33.96.0 | 46.33.127.255 | 8192 | 31/08/10 | INFOS Art, s.r.o. | | 194.12.32.0 | 194.12.47.255 | 4096 | 18/08/10 | | | 178.238.32.0 | 178.238.47.255 | 4096 | 12/07/10 | Master Internet s.r.o. | | 78.157.128.0 | 78.157.159.255 | 8192 | 04/06/10 | PODA a.s. | | 178.209.128.0 | 178.209.159.255 | 8192 | 03/06/10 | Dragon Internet a.s. | | 217.196.112.0 | 217.196.127.255 | 4096 | 14/05/10 | FOFRNET spol. s r.o. | | 178.77.192.0 | 178.77.255.255 | 16384 | 21/04/10 | UPC Ceska Republica, s.r.o. | | 80.92.240.0 | 80.92.255.255 | 4096 | 20/04/10 | LAM plus s.r.o. | | 178.72.192.0 | 178.72.255.255 | 16384 | 18/03/10 | Internethome, s.r.o. | | 178.17.80.0 | 178.17.95.255 | 4096 | 18/03/10 | FOFRNET spol. s r.o. | | 178.17.96.0 | 178.17.111.255 | 4096 | 18/03/10 | CATR spol. s r.o. | | 178.17.0.0 | 178.17.15.255 | 4096 | 11/03/10 | 2 connect a.s. | | 109.231.128.0 | 109.231.191.255 | 16384 | 08/03/10 | TechCom s.r.o. | | 109.202.64.0 | 109.202.95.255 | 8192 | 15/02/10 | TETA s.r.o. | | 62.201.16.0 | 62.201.31.255 | 4096 | 08/02/10 | a-net Liberec s.r.o. | | 109.239.64.0 | 109.239.79.255 | 4096 | 03/02/10 | CentroNet a.s. | | 109.238.208.0 | 109.238.223.255 | 4096 | 28/01/10 | Planet A,a.s. | | 109.238.32.0 | 109.238.47.255 | 4096 | 20/01/10 | ha-vel internet s.r.o. | | 109.224.64.0 | 109.224.127.255 | 16384 | 08/01/10 | M.NET STUDENKA s. r. o. | | 217.16.176.0 | 217.16.191.255 | 4096 | 08/12/09 | VSHosting s.r.o. | | 109.75.144.0 | 109.75.159.255 | 4096 | 20/11/09 | T-Mobile Czech Republic a.s. | | 109.75.0.0 | 109.75.15.255 | 4096 | 13/11/09 | AVX Czech republic s.r.o | | 109.108.96.0 | 109.108.127.255 | 8192 | 27/10/09 | OMEGA tech s.r.o. | | 109.107.192.0 | 109.107.223.255 | 8192 | 21/10/09 | Vodafone Czech Republic a.s. | | 109.123.192.0 | 109.123.255.255 | 16384 | 20/10/09 | Casablanca INT | | 109.73.208.0 | 109.73.223.255 | 4096 | 16/10/09 | KHnet.info, o.s. | | 109.164.0.0 | 109.164.127.255 | 32768 | 14/10/09 | SITKOM spol. s r.o. | | 95.140.240.0 | 95.140.255.255 | 4096 | 05/10/09 | ABLE agency, s.r.o. | | 109.183.0.0 | 109.183.255.255 | 65536 | 29/09/09 | T-Mobile Czech Republic a.s. | | 109.105.32.0 | 109.105.63.255 | 8192 | 14/09/09 | itself s.r.o. | | 109.72.0.0 | 109.72.15.255 | 4096 | 04/09/09 | INTERNET Pb, spol. s r.o. | | 95.143.128.0 | 95.143.143.255 | 4096 | 25/08/09 | ISP Alliance a.s. | | 188.175.0.0 | 188.175.255.255 | 65536 | 24/08/09 | RIO Media a.s. | | 188.75.128.0 | 188.75.191.255 | 16384 | 24/08/09 | JON.CZ s.r.o. | | 188.246.96.0 | 188.246.127.255 | 8192 | 18/08/09 | SychrovNET s.r.o | | 188.244.48.0 | 188.244.63.255 | 4096 | 31/07/09 | InterneXt 2000, s.r.o. | | 109.80.0.0 | 109.81.255.255 | 131072 | 10/07/09 | O2 Czech Republic, a.s. | | 78.111.112.0 | 78.111.127.255 | 4096 | 29/06/09 | ISP Alliance a.s. | | 188.122.192.0 | 188.122.223.255 | 8192 | 04/06/09 | Magnalink, a.s. | | 188.116.64.0 | 188.116.127.255 | 16384 | 04/06/09 | SELECT SYSTEM, s.r.o. | | 80.243.96.0 | 80.243.111.255 | 4096 | 27/05/09 | CentroNet a.s. | | 188.120.192.0 | 188.120.223.255 | 8192 | 05/05/09 | IP4ISP z.s.p.o | | 188.134.128.0 | 188.134.255.255 | 32768 | 28/04/09 | COMA s.r.o. | | 82.144.128.0 | 82.144.159.255 | 8192 | 14/04/09 | KABELOVA TELEVIZE CZ s.r.o. | | 217.194.160.0 | 217.194.175.255 | 4096 | 02/04/09 | Internethome, s.r.o. | | 95.173.192.0 | 95.173.223.255 | 8192 | 10/03/09 | AQUA,a.s. | | 217.29.0.0 | 217.29.15.255 | 4096 | 06/03/09 | NETAIR s.r.o. | | 95.173.64.0 | 95.173.95.255 | 8192 | 05/03/09 | ha-vel internet s.r.o. | | 217.197.32.0 | 217.197.47.255 | 4096 | 27/02/09 | MIRAMO spol. s.r.o. | | 95.168.192.0 | 95.168.223.255 | 8192 | 07/01/09 | SuperNetwork s.r.o. | | 95.85.192.0 | 95.85.255.255 | 16384 | 31/12/08 | METRONET s.r.o. | | 94.230.144.0 | 94.230.159.255 | 4096 | 24/12/08 | AIRWAYNET, a.s. | | 95.82.128.0 | 95.82.191.255 | 16384 | 11/12/08 | SMART Comp. a.s. | | 217.30.64.0 | 217.30.79.255 | 4096 | 10/12/08 | Planet A,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 | Dial Telecom, a.s. | | 217.170.96.0 | 217.170.111.255 | 4096 | 21/11/08 | FOFRNET spol. s r.o. | | 94.229.80.0 | 94.229.95.255 | 4096 | 13/11/08 | MASTER IT Technologies, a.s. | | 94.242.64.0 | 94.242.127.255 | 16384 | 17/10/08 | PODA a.s. | | 80.90.128.0 | 80.90.143.255 | 4096 | 07/10/08 | OXID Networks s.r.o. | | 94.241.64.0 | 94.241.127.255 | 16384 | 29/09/08 | MobilKom, a.s. | | 94.138.96.0 | 94.138.127.255 | 8192 | 22/09/08 | CoProSys a.s. | | 213.129.128.0 | 213.129.159.255 | 8192 | 26/08/08 | SOFTEX NCP, s.r.o. | | 83.167.224.0 | 83.167.255.255 | 8192 | 21/08/08 | Master Internet s.r.o. | | 94.74.192.0 | 94.74.255.255 | 16384 | 17/07/08 | RIO Media a.s. | | 94.112.0.0 | 94.115.255.255 | 262144 | 09/07/08 | UPC Ceska Republica, s.r.o. | | 62.109.128.0 | 62.109.159.255 | 8192 | 03/07/08 | Ignum s.r.o. | | 212.4.128.0 | 212.4.159.255 | 8192 | 11/06/08 | itself s.r.o. | | 93.185.96.0 | 93.185.111.255 | 4096 | 06/06/08 | VSHosting s.r.o. | | 93.185.48.0 | 93.185.63.255 | 4096 | 05/06/08 | ha-vel internet s.r.o. | | 93.185.0.0 | 93.185.15.255 | 4096 | 04/06/08 | C2NET s.r.o. | | 93.91.240.0 | 93.91.255.255 | 4096 | 21/05/08 | Hlucin.net, s.r.o. | | 93.91.144.0 | 93.91.159.255 | 4096 | 16/05/08 | ISP Alliance a.s. | | 93.153.0.0 | 93.153.127.255 | 32768 | 07/05/08 | T-Mobile Czech Republic a.s. | | 93.91.48.0 | 93.91.63.255 | 4096 | 02/05/08 | inet4 s.r.o. | | 93.181.64.0 | 93.181.127.255 | 16384 | 28/04/08 | COMA s.r.o. | | 93.90.160.0 | 93.90.175.255 | 4096 | 23/04/08 | Vodafone Czech Republic a.s. | | 93.89.144.0 | 93.89.159.255 | 4096 | 09/04/08 | GRADACE, spol. s r.o. | | 93.89.96.0 | 93.89.111.255 | 4096 | 04/04/08 | SychrovNET s.r.o | | 93.170.0.0 | 93.171.255.255 | 131072 | 20/03/08 | ALFA TELECOM s.r.o. | | 93.99.0.0 | 93.99.255.255 | 65536 | 25/02/08 | UPC Ceska Republica, s.r.o. | | 92.38.0.0 | 92.38.127.255 | 32768 | 01/02/08 | ALFA TELECOM s.r.o. | | 92.63.48.0 | 92.63.63.255 | 4096 | 31/01/08 | NEW TELEKOM, spol. s r.o. | | 92.243.192.0 | 92.243.223.255 | 8192 | 30/01/08 | Internethome, s.r.o. | | 92.62.224.0 | 92.62.239.255 | 4096 | 28/01/08 | STARNET, s.r.o. | | 78.108.176.0 | 78.108.191.255 | 4096 | 27/12/07 | GIOVANNI MANAGEMENT LTD. | | 92.61.80.0 | 92.61.95.255 | 4096 | 18/12/07 | NWT a.s | | 213.155.32.0 | 213.155.63.255 | 8192 | 07/12/07 | Fortech s.r.o. | | 92.253.128.0 | 92.253.255.255 | 32768 | 03/12/07 | ALFA TELECOM s.r.o. | | 92.240.160.0 | 92.240.191.255 | 8192 | 23/11/07 | RIO Media a.s. | | 79.141.240.0 | 79.141.255.255 | 4096 | 26/10/07 | M-SOFT, spol. s r.o. | | 79.127.128.0 | 79.127.255.255 | 32768 | 25/09/07 | Ipex Ltd. | | 78.157.160.0 | 78.157.191.255 | 8192 | 30/08/07 | SilesNet s.r.o. | | 78.110.208.0 | 78.110.223.255 | 4096 | 20/08/07 | METRONET s.r.o. | | 78.156.128.0 | 78.156.159.255 | 8192 | 16/08/07 | OptoNet Communication, spol. s.r.o. | | 78.156.32.0 | 78.156.63.255 | 8192 | 09/08/07 | RETE internet, s.r.o. | | 78.108.144.0 | 78.108.159.255 | 4096 | 22/06/07 | MCnet, s.r.o. | | 78.108.96.0 | 78.108.111.255 | 4096 | 18/06/07 | FreeTel, s.r.o. | | 78.102.0.0 | 78.103.255.255 | 131072 | 04/06/07 | UPC Ceska Republica, s.r.o. | | 91.139.0.0 | 91.139.127.255 | 32768 | 22/05/07 | T-Mobile Czech Republic a.s. | | 77.93.192.0 | 77.93.223.255 | 8192 | 18/05/07 | Master Internet s.r.o. | | 77.92.192.0 | 77.92.223.255 | 8192 | 09/05/07 | InterneXt 2000, s.r.o. | | 78.136.128.0 | 78.136.191.255 | 16384 | 09/05/07 | MobilKom, a.s. | | 89.24.128.0 | 89.24.255.255 | 32768 | 04/05/07 | T-Mobile Czech Republic a.s. | | 78.44.0.0 | 78.45.255.255 | 131072 | 13/04/07 | UPC Ceska Republica, s.r.o. | | 78.128.128.0 | 78.128.255.255 | 32768 | 10/04/07 | CESNET z.s.p.o. | | 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. | | 77.78.64.0 | 77.78.127.255 | 16384 | 27/02/07 | Casablanca INT | | 77.242.80.0 | 77.242.95.255 | 4096 | 27/02/07 | NejTV a.s. | | 77.237.128.0 | 77.237.159.255 | 8192 | 02/02/07 | WMS s.r.o. | | 77.236.192.0 | 77.236.223.255 | 8192 | 30/01/07 | Edera Group a.s. | | 77.240.176.0 | 77.240.191.255 | 4096 | 18/01/07 | FASTER CZ spol. s r.o. | | 77.240.96.0 | 77.240.111.255 | 4096 | 10/01/07 | Druzstvo EUROSIGNAL | | 77.104.192.0 | 77.104.255.255 | 16384 | 28/11/06 | CoProSys a.s. | | 77.48.0.0 | 77.48.255.255 | 65536 | 23/11/06 | UPC Ceska Republica, s.r.o. | | 91.187.32.0 | 91.187.63.255 | 8192 | 16/11/06 | NWT a.s | | 89.221.208.0 | 89.221.223.255 | 4096 | 11/10/06 | Visual Unity a.s. | | 90.176.0.0 | 90.183.255.255 | 524288 | 17/09/06 | O2 Czech Republic, a.s. | | 89.250.240.0 | 89.250.255.255 | 4096 | 23/08/06 | Trestel CZ, a.s. | | 89.250.96.0 | 89.250.111.255 | 4096 | 09/08/06 | RWE Systems Czech | | 89.29.0.0 | 89.29.127.255 | 32768 | 19/07/06 | PODA a.s. | | 89.248.240.0 | 89.248.255.255 | 4096 | 14/07/06 | Obcanske sdruzeni Hkfree | | 81.201.48.0 | 81.201.63.255 | 4096 | 20/06/06 | FreeTel, s.r.o. | | 89.239.0.0 | 89.239.63.255 | 16384 | 09/06/06 | GREPA Networks s.r.o. | | 89.190.64.0 | 89.190.95.255 | 8192 | 06/06/06 | N-SYS s.r.o. | | 89.190.32.0 | 89.190.63.255 | 8192 | 06/06/06 | itself s.r.o. | | 81.200.48.0 | 81.200.63.255 | 4096 | 01/06/06 | NejTV a.s. | | 89.235.0.0 | 89.235.63.255 | 16384 | 30/05/06 | Dial Telecom, a.s. | | 89.24.0.0 | 89.24.127.255 | 32768 | 11/05/06 | T-Mobile Czech Republic a.s. | | 89.233.128.0 | 89.233.191.255 | 16384 | 10/05/06 | T-Mobile Czech Republic a.s. | | 81.92.144.0 | 81.92.159.255 | 4096 | 03/05/06 | CoProSys a.s. | | 89.187.160.0 | 89.187.191.255 | 8192 | 28/04/06 | Fine Tech, s.r.o. | | 89.187.128.0 | 89.187.159.255 | 8192 | 28/04/06 | Coolhousing s.r.o. | | 89.203.128.0 | 89.203.255.255 | 32768 | 27/04/06 | CD-Telematika a.s. | | 81.91.208.0 | 81.91.223.255 | 4096 | 27/04/06 | OvaNet, a.s. | | 81.91.80.0 | 81.91.95.255 | 4096 | 25/04/06 | Web4U s.r.o. | | 89.111.64.0 | 89.111.127.255 | 16384 | 25/04/06 | CEZ ICT Services a.s. | | 81.90.240.0 | 81.90.255.255 | 4096 | 21/04/06 | ABAK, Ltd. | | 89.185.224.0 | 89.185.255.255 | 8192 | 12/04/06 | Master Internet s.r.o. | | 81.28.16.0 | 81.28.31.255 | 4096 | 16/03/06 | Verizon Czech s.r.o. | | 89.176.0.0 | 89.177.255.255 | 131072 | 16/03/06 | UPC Ceska Republica, s.r.o. | | 81.25.16.0 | 81.25.31.255 | 4096 | 27/02/06 | Cerberos s.r.o. | | 89.102.0.0 | 89.103.255.255 | 131072 | 24/02/06 | UPC Ceska Republica, s.r.o. | | 88.86.96.0 | 88.86.127.255 | 8192 | 14/02/06 | SuperNetwork s.r.o. | | 88.83.224.0 | 88.83.255.255 | 8192 | 11/01/06 | itself s.r.o. | | 88.83.160.0 | 88.83.191.255 | 8192 | 09/01/06 | Internethome, s.r.o. | | 88.146.128.0 | 88.146.255.255 | 32768 | 23/12/05 | UPC Ceska Republica, s.r.o. | | 88.146.0.0 | 88.146.127.255 | 32768 | 20/12/05 | Dial Telecom, a.s. | | 88.81.64.0 | 88.81.95.255 | 8192 | 02/12/05 | NWT a.s | | 80.251.240.0 | 80.251.255.255 | 4096 | 21/11/05 | Dat, s.r.o. | | 88.208.64.0 | 88.208.127.255 | 16384 | 28/10/05 | Dial Telecom, a.s. | | 88.100.0.0 | 88.103.255.255 | 262144 | 04/10/05 | O2 Czech Republic, a.s. | | 87.249.128.0 | 87.249.159.255 | 8192 | 30/08/05 | TTNET s.r.o. | | 80.95.240.0 | 80.95.255.255 | 4096 | 12/08/05 | T-Mobile Czech Republic a.s. | | 86.63.192.0 | 86.63.223.255 | 8192 | 29/06/05 | RIO Media a.s. | | 80.250.16.0 | 80.250.31.255 | 4096 | 27/06/05 | WIA spol. s.r.o. | | 85.239.224.0 | 85.239.255.255 | 8192 | 23/06/05 | Casablanca INT | | 85.239.64.0 | 85.239.95.255 | 8192 | 16/06/05 | ANECT a.s. | | 80.87.176.0 | 80.87.191.255 | 4096 | 20/05/05 | OXID Networks s.r.o. | | 86.61.128.0 | 86.61.255.255 | 32768 | 20/05/05 | COMA s.r.o. | | 86.49.0.0 | 86.49.255.255 | 65536 | 21/04/05 | UPC Ceska Republica, s.r.o. | | 80.82.144.0 | 80.82.159.255 | 4096 | 11/04/05 | CoProSys a.s. | | 85.13.64.0 | 85.13.127.255 | 16384 | 29/03/05 | CD-Telematika a.s. | | 80.78.144.0 | 80.78.159.255 | 4096 | 16/03/05 | itself s.r.o. | | 80.79.16.0 | 80.79.31.255 | 4096 | 16/03/05 | Master Internet s.r.o. | | 85.207.0.0 | 85.207.255.255 | 65536 | 17/01/05 | RADIOKOMUNIKACE a.s. | | 85.135.0.0 | 85.135.127.255 | 32768 | 16/12/04 | PODA a.s. | | 85.193.0.0 | 85.193.63.255 | 16384 | 16/12/04 | Internethome, s.r.o. | | 85.93.160.0 | 85.93.191.255 | 8192 | 13/12/04 | WinSoft Company, s.r.o. | | 85.93.96.0 | 85.93.127.255 | 8192 | 09/12/04 | Dial Telecom, a.s. | | 85.132.128.0 | 85.132.255.255 | 32768 | 07/12/04 | Ipex Ltd. | | 85.92.32.0 | 85.92.63.255 | 8192 | 02/12/04 | InterneXt 2000, s.r.o. | | 217.198.112.0 | 217.198.127.255 | 4096 | 15/11/04 | ZONER software, a.s | | 85.70.0.0 | 85.71.255.255 | 131072 | 02/11/04 | O2 Czech Republic, a.s. | | 85.160.0.0 | 85.163.255.255 | 262144 | 25/10/04 | Eurotel Praha, spol. s r.o. | | 217.197.144.0 | 217.197.159.255 | 4096 | 21/10/04 | NWT a.s | | 217.196.208.0 | 217.196.223.255 | 4096 | 13/10/04 | MIRAMO spol. s.r.o. | | 213.192.0.0 | 213.192.63.255 | 16384 | 01/10/04 | UPC Ceska Republica, s.r.o. | | 84.42.128.0 | 84.42.255.255 | 32768 | 14/09/04 | UPC Ceska Republica, s.r.o. | | 84.21.96.0 | 84.21.127.255 | 8192 | 13/09/04 | COMA s.r.o. | | 84.19.64.0 | 84.19.95.255 | 8192 | 19/08/04 | Cesky Bezdrat, s.r.o. | | 217.169.176.0 | 217.169.191.255 | 4096 | 04/08/04 | Spinoco Czech Republic, a.s. | | 217.168.208.0 | 217.168.223.255 | 4096 | 22/07/04 | TRIOPTIMUM s.r.o. | | 84.244.64.0 | 84.244.127.255 | 16384 | 21/07/04 | RADIOKOMUNIKACE a.s. | | 84.16.96.0 | 84.16.127.255 | 8192 | 14/07/04 | COMA s.r.o. | | 84.242.64.0 | 84.242.127.255 | 16384 | 28/06/04 | UPC Ceska Republica, s.r.o. | | 83.69.32.0 | 83.69.63.255 | 8192 | 25/05/04 | Internethome, s.r.o. | | 80.65.176.0 | 80.65.191.255 | 4096 | 19/04/04 | Moravia IT, a.s. | | 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 | | | 83.240.0.0 | 83.240.127.255 | 32768 | 11/03/04 | SMART Comp. a.s. | | 83.208.0.0 | 83.208.255.255 | 65536 | 02/03/04 | O2 Czech Republic, a.s. | | 83.148.0.0 | 83.148.63.255 | 16384 | 24/02/04 | Dial Telecom, a.s. | | 82.119.240.0 | 82.119.255.255 | 4096 | 18/02/04 | Dial Telecom, a.s. | | 82.117.128.0 | 82.117.159.255 | 8192 | 09/02/04 | CD-Telematika a.s. | | 217.117.208.0 | 217.117.223.255 | 4096 | 02/02/04 | Internethome, s.r.o. | | 217.115.240.0 | 217.115.255.255 | 4096 | 15/01/04 | AVONET, s.r.o. | | 213.29.0.0 | 213.29.255.255 | 65536 | 08/01/04 | T-Mobile Czech Republic a.s. | | 82.114.192.0 | 82.114.223.255 | 8192 | 02/01/04 | NejTV a.s. | | 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 | Dial Telecom, a.s. | | 82.113.32.0 | 82.113.63.255 | 8192 | 11/12/03 | Dial Telecom, a.s. | | 217.75.208.0 | 217.75.223.255 | 4096 | 07/10/03 | ISP Alliance a.s. | | 82.209.0.0 | 82.209.63.255 | 16384 | 29/09/03 | PODA a.s. | | 213.19.0.0 | 213.19.127.255 | 32768 | 26/09/03 | Fortech s.r.o. | | 82.202.0.0 | 82.202.63.255 | 16384 | 23/09/03 | TS-Data s.r.o. | | 82.202.64.0 | 82.202.127.255 | 16384 | 23/09/03 | CD-Telematika a.s. | | 82.208.0.0 | 82.208.63.255 | 16384 | 16/09/03 | Casablanca INT | | 82.142.64.0 | 82.142.127.255 | 16384 | 05/09/03 | Vodafone Czech Republic a.s. | | 82.150.160.0 | 82.150.191.255 | 8192 | 25/08/03 | RIO Media a.s. | | 217.31.48.0 | 217.31.63.255 | 4096 | 10/06/03 | Ignum s.r.o. | | 62.240.160.0 | 62.240.191.255 | 8192 | 26/05/03 | UPC Ceska Republica, s.r.o. | | 62.204.224.0 | 62.204.255.255 | 8192 | 09/05/03 | TTNET s.r.o. | | 217.64.0.0 | 217.64.15.255 | 4096 | 05/05/03 | GiTy, a.s. | | 213.168.176.0 | 213.168.191.255 | 4096 | 08/04/03 | Dragon Internet a.s. | | 213.216.32.0 | 213.216.63.255 | 8192 | 01/04/03 | PODA a.s. | | 213.226.224.0 | 213.226.255.255 | 8192 | 31/03/03 | M-SOFT, spol. s r.o. | | 213.226.192.0 | 213.226.223.255 | 8192 | 31/03/03 | BECO Link,spol.s.r.o. | | 213.211.32.0 | 213.211.63.255 | 8192 | 27/03/03 | itself s.r.o. | | 213.220.192.0 | 213.220.255.255 | 16384 | 06/03/03 | UPC Ceska Republica, s.r.o. | | 213.250.192.0 | 213.250.255.255 | 16384 | 28/02/03 | Fortech s.r.o. | | 213.194.192.0 | 213.194.255.255 | 16384 | 20/02/03 | Ipex Ltd. | | 213.155.224.0 | 213.155.255.255 | 8192 | 30/01/03 | OpavaNet a.s. Czech Republic | | 62.209.192.0 | 62.209.255.255 | 16384 | 30/01/03 | T-Mobile Czech Republic a.s. | | 62.129.32.0 | 62.129.63.255 | 8192 | 24/01/03 | PODA a.s. | | 213.191.96.0 | 213.191.127.255 | 8192 | 11/12/02 | Dial Telecom, a.s. | | 81.19.32.0 | 81.19.47.255 | 4096 | 10/12/02 | CD-Telematika a.s. | | 213.235.64.0 | 213.235.127.255 | 16384 | 14/11/02 | TS-Data s.r.o. | | 212.158.128.0 | 212.158.159.255 | 8192 | 06/09/02 | RADIOKOMUNIKACE a.s. | | 81.95.96.0 | 81.95.111.255 | 4096 | 03/09/02 | ACTIVE 24 | | 80.95.112.0 | 80.95.127.255 | 4096 | 29/08/02 | Vodafone Czech Republic a.s. | | 217.31.192.0 | 217.31.207.255 | 4096 | 27/08/02 | CZ.NIC, z.s.p.o. | | 213.195.192.0 | 213.195.255.255 | 16384 | 15/07/02 | ha-vel internet s.r.o. | | 81.90.160.0 | 81.90.175.255 | 4096 | 04/07/02 | Internethome, s.r.o. | | 80.188.0.0 | 80.188.255.255 | 65536 | 13/06/02 | O2 Czech Republic, a.s. | | 81.31.32.0 | 81.31.47.255 | 4096 | 28/05/02 | Master Internet s.r.o. | | 81.30.224.0 | 81.30.255.255 | 8192 | 27/05/02 | ha-vel internet s.r.o. | | 81.27.192.0 | 81.27.207.255 | 4096 | 15/04/02 | UPC Ceska Republica, s.r.o. | | 81.2.192.0 | 81.2.255.255 | 16384 | 04/04/02 | INTERNET CZ, a.s. | | 217.66.176.0 | 217.66.191.255 | 4096 | 25/01/02 | ha-vel internet s.r.o. | | 81.19.0.0 | 81.19.15.255 | 4096 | 22/01/02 | FASTER CZ spol. s r.o. | | 62.245.64.0 | 62.245.127.255 | 16384 | 03/01/02 | UPC Ceska Republica, s.r.o. | | 81.0.192.0 | 81.0.255.255 | 16384 | 14/12/01 | Casablanca INT | | 80.250.0.0 | 80.250.15.255 | 4096 | 29/11/01 | WIA spol. s.r.o. | | 62.177.64.0 | 62.177.127.255 | 16384 | 15/10/01 | Dial Telecom, a.s. | | 80.95.96.0 | 80.95.111.255 | 4096 | 05/10/01 | Vodafone Czech Republic a.s. | | 80.83.64.0 | 80.83.79.255 | 4096 | 30/07/01 | QNET CZ s.r.o. | | 62.77.64.0 | 62.77.127.255 | 16384 | 05/07/01 | T-Mobile Czech Republic a.s. | | 217.11.240.0 | 217.11.255.255 | 4096 | 22/06/01 | Casablanca INT | | 80.74.32.0 | 80.74.47.255 | 4096 | 18/06/01 | O2 Czech Republic, a.s. | | 62.4.112.0 | 62.4.127.255 | 4096 | 11/06/01 | Dial Telecom, a.s. | | 194.149.96.0 | 194.149.127.255 | 8192 | 28/05/01 | T-Mobile Czech Republic a.s. | | 213.168.160.0 | 213.168.175.255 | 4096 | 25/05/01 | Ipex Ltd. | | 217.195.160.0 | 217.195.175.255 | 4096 | 24/04/01 | CentroNet a.s. | | 213.180.32.0 | 213.180.63.255 | 8192 | 18/01/01 | RIO Media a.s. | | 213.175.32.0 | 213.175.63.255 | 8192 | 12/01/01 | Dial Telecom, a.s. | | 217.112.160.0 | 217.112.175.255 | 4096 | 12/01/01 | AVONET, s.r.o. | | 217.77.160.0 | 217.77.175.255 | 4096 | 04/12/00 | Vodafone Czech Republic a.s. | | 217.69.96.0 | 217.69.111.255 | 4096 | 17/11/00 | Masarykova univerzita - Ustav vypocetni techniky | | 217.66.160.0 | 217.66.175.255 | 4096 | 06/11/00 | ha-vel internet s.r.o. | | 213.235.128.0 | 213.235.191.255 | 16384 | 29/08/00 | CD-Telematika a.s. | | 217.11.224.0 | 217.11.239.255 | 4096 | 23/08/00 | Casablanca INT | | 212.90.224.0 | 212.90.255.255 | 8192 | 31/07/00 | TS-Data s.r.o. | | 195.122.192.0 | 195.122.223.255 | 8192 | 20/07/00 | Dial Telecom, a.s. | | 62.141.0.0 | 62.141.31.255 | 8192 | 12/07/00 | T-Mobile Czech Republic a.s. | | 62.84.128.0 | 62.84.159.255 | 8192 | 23/06/00 | T-Mobile Czech Republic a.s. | | 62.80.64.0 | 62.80.95.255 | 8192 | 22/06/00 | | | 62.24.64.0 | 62.24.95.255 | 8192 | 14/06/00 | UPC Ceska Republica, s.r.o. | | 62.40.64.0 | 62.40.95.255 | 8192 | 14/06/00 | Verizon Czech s.r.o. | | 213.210.128.0 | 213.210.191.255 | 16384 | 02/05/00 | T-Mobile Czech Republic a.s. | | 213.151.64.0 | 213.151.95.255 | 8192 | 06/04/00 | Dial Telecom, a.s. | | 212.65.224.0 | 212.65.255.255 | 8192 | 25/01/00 | T-Mobile Czech Republic a.s. | | 212.11.96.0 | 212.11.127.255 | 8192 | 06/09/99 | CD-Telematika a.s. | | 212.20.96.0 | 212.20.127.255 | 8192 | 16/08/99 | Dial Telecom, a.s. | | 212.96.160.0 | 212.96.191.255 | 8192 | 07/07/99 | itself s.r.o. | | 212.71.160.0 | 212.71.191.255 | 8192 | 22/06/99 | Ipex Ltd. | | 212.65.192.0 | 212.65.223.255 | 8192 | 01/06/99 | T-Mobile Czech Republic a.s. | | 212.67.64.0 | 212.67.95.255 | 8192 | 26/01/99 | T-Mobile Czech Republic a.s. | | 212.80.64.0 | 212.80.95.255 | 8192 | 12/01/99 | Dial Telecom, a.s. | | 212.71.128.0 | 212.71.159.255 | 8192 | 10/12/98 | Ipex Ltd. | | 212.111.0.0 | 212.111.31.255 | 8192 | 12/11/98 | InterneXt 2000, s.r.o. | | 212.27.192.0 | 212.27.223.255 | 8192 | 31/08/98 | Dial Telecom, a.s. | | 212.20.64.0 | 212.20.95.255 | 8192 | 31/07/98 | Mopos Communications A.S. | | 212.24.128.0 | 212.24.159.255 | 8192 | 15/04/98 | Dial Telecom, a.s. | | 212.47.0.0 | 212.47.31.255 | 8192 | 02/04/98 | T-Mobile 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. | | 195.146.96.0 | 195.146.127.255 | 8192 | 08/09/97 | CD-Telematika a.s. | | 195.22.32.0 | 195.22.63.255 | 8192 | 19/06/97 | T-Mobile Czech Republic a.s. | | 195.128.192.0 | 195.128.223.255 | 8192 | 23/05/97 | Dial Telecom, a.s. | | 62.44.0.0 | 62.44.31.255 | 8192 | 23/05/97 | Dial Telecom, a.s. | | 62.168.0.0 | 62.168.63.255 | 16384 | 07/05/97 | T-Mobile Czech Republic a.s. | | 195.144.96.0 | 195.144.127.255 | 8192 | 18/03/97 | T-Mobile Czech Republic a.s. | | 195.113.0.0 | 195.113.255.255 | 65536 | 17/03/97 | CESNET z.s.p.o. | | 195.178.64.0 | 195.178.95.255 | 8192 | 26/02/97 | CESNET z.s.p.o. | | 195.250.128.0 | 195.250.159.255 | 8192 | 07/01/97 | Dial Telecom, a.s. | | 195.47.0.0 | 195.47.127.255 | 32768 | 10/12/96 | T-Mobile Czech Republic a.s. | | 195.39.0.0 | 195.39.127.255 | 32768 | 02/12/96 | T-Mobile Czech Republic a.s. | | 195.70.128.0 | 195.70.159.255 | 8192 | 08/11/96 | T-Mobile Czech Republic a.s. | | 193.165.0.0 | 193.165.255.255 | 65536 | 21/03/96 | PODA a.s. | | 194.213.224.0 | 194.213.255.255 | 8192 | 30/01/96 | Dial Telecom, a.s. | | 194.213.32.0 | 194.213.63.255 | 8192 | 26/01/96 | T-Mobile Czech Republic a.s. | | 194.228.0.0 | 194.228.31.255 | 8192 | 12/01/96 | O2 Czech Republic, a.s. | | 194.213.192.0 | 194.213.223.255 | 8192 | 11/01/96 | T-Mobile Czech Republic a.s. | | 194.212.0.0 | 194.212.255.255 | 65536 | 14/12/95 | T-Mobile Czech Republic a.s. | | 193.179.0.0 | 193.179.255.255 | 65536 | 08/08/95 | T-Mobile Czech Republic a.s. | | 194.108.32.0 | 194.108.63.255 | 8192 | 12/01/95 | T-Mobile Czech Republic a.s. | | 194.108.128.0 | 194.108.255.255 | 32768 | 01/01/95 | T-Mobile Czech Republic a.s. | | 194.108.64.0 | 194.108.127.255 | 16384 | 01/01/95 | T-Mobile Czech Republic a.s. | | 194.108.0.0 | 194.108.31.255 | 8192 | 03/11/94 | T-Mobile Czech Republic a.s. | | 193.86.0.0 | 193.86.255.255 | 65536 | 20/06/94 | T-Mobile Czech Republic a.s. | | 199.40.0.0 | 199.41.255.255 | 131072 | 28/10/93 | | | 193.84.144.0 | 193.84.159.255 | 4096 | 01/09/93 | | | 193.84.192.0 | 193.84.223.255 | 8192 | 01/09/93 | | | 193.84.160.0 | 193.84.175.255 | 4096 | 01/09/93 | | | 193.85.0.0 | 193.85.255.255 | 65536 | 01/09/93 | T-Mobile Czech Republic a.s. | | 193.84.32.0 | 193.84.47.255 | 4096 | 01/09/93 | | | 165.72.0.0 | 165.72.255.255 | 65536 | 19/04/93 | | | 198.141.0.0 | 198.141.255.255 | 65536 | 19/04/93 | | | 158.196.0.0 | 158.196.255.255 | 65536 | 03/02/93 | | | 147.229.0.0 | 147.229.255.255 | 65536 | 11/01/93 | Brno University of Technology | | 158.194.0.0 | 158.194.255.255 | 65536 | 08/12/92 | | | 147.231.0.0 | 147.231.255.255 | 65536 | 25/11/92 | | | 156.137.0.0 | 156.137.255.255 | 65536 | 10/06/92 | | | 147.228.0.0 | 147.228.255.255 | 65536 | 03/03/92 | | | 147.230.0.0 | 147.230.255.255 | 65536 | 03/03/92 | | | 147.251.0.0 | 147.251.255.255 | 65536 | 02/08/91 | | | 147.33.0.0 | 147.33.255.255 | 65536 | 18/06/91 | | | 147.32.0.0 | 147.32.255.255 | 65536 | 18/06/91 | | | 146.102.0.0 | 146.102.255.255 | 65536 | 05/02/91 | | | 137.98.0.0 | 137.98.255.255 | 65536 | 15/11/89 |
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