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Major IP Address Blocks For Czech Republic

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.

From IP To IP Total IPs Assign Date Owner
62.4.96.0 62.4.127.255 8192 11/06/2001 Volny a.s.
62.24.64.0 62.24.95.255 8192 14/06/2000 UPC Ceska Republica, a.s.
62.40.64.0 62.40.95.255 8192 14/06/2000 UUNET-CZ
62.44.0.0 62.44.31.255 8192 23/05/1997 Volny a.s.
62.77.64.0 62.77.127.255 16384 05/07/2001 GTS NOVERA a.s.
62.80.64.0 62.80.95.255 8192 22/06/2000 BT Czech Republic, organizacni slozka
62.84.128.0 62.84.159.255 8192 23/06/2000 GTS NOVERA a.s.
62.109.128.0 62.109.159.255 8192 03/07/2008 Ignum s.r.o.
62.129.32.0 62.129.63.255 8192 24/01/2003 PODA s.r.o.
62.141.0.0 62.141.31.255 8192 12/07/2000 T-Mobile Czech Republic a.s.
62.168.0.0 62.168.63.255 16384 07/05/1997 GTS NOVERA a.s.
62.177.64.0 62.177.127.255 16384 15/10/2001 Volny a.s.
62.204.224.0 62.204.255.255 8192 09/05/2003 TTNET s.r.o.
62.209.192.0 62.209.255.255 16384 30/01/2003 GTS NOVERA a.s.
62.240.160.0 62.240.191.255 8192 26/05/2003 Sloane Park Property Trust a.s.
62.245.64.0 62.245.127.255 16384 03/01/2002 UPC Ceska Republica, a.s.
77.48.0.0 77.48.255.255 65536 23/11/2006 Sloane Park Property Trust a.s.
77.78.64.0 77.78.127.255 16384 27/02/2007 Casablanca INT
77.92.192.0 77.92.223.255 8192 09/05/2007 InterneXt 2000
77.93.192.0 77.93.223.255 8192 18/05/2007 Master Internet s.r.o.
77.104.192.0 77.104.255.255 16384 28/11/2006 CoProSys a.s.
77.236.192.0 77.236.223.255 8192 30/01/2007 Blue4.cz s.r.o.
77.237.128.0 77.237.159.255 8192 02/02/2007 WMS s.r.o.
77.240.96.0 77.240.111.255 4096 10/01/2007 Druzstvo EUROSIGNAL
77.240.176.0 77.240.191.255 4096 18/01/2007 FASTER CZ spol. s r.o.
77.242.80.0 77.242.95.255 4096 27/02/2007 Kabelova televize Prerov, a.s.
78.44.0.0 78.45.255.255 131072 13/04/2007 UPC Ceska Republica, a.s.
78.80.0.0 78.80.255.255 65536 22/03/2007 RADIOKOMUNIKACE a.s.
78.102.0.0 78.103.255.255 131072 04/06/2007 UPC Ceska Republica, a.s.
78.108.96.0 78.108.111.255 4096 18/06/2007 NFX z.s.p.o.
78.108.144.0 78.108.159.255 4096 22/06/2007 MCnet, s.r.o.
78.108.176.0 78.108.191.255 4096 27/12/2007 UPL TELECOM s.r.o.
78.110.208.0 78.110.223.255 4096 20/08/2007 IJC, s.r.o.
78.111.112.0 78.111.127.255 4096 29/06/2009 GRAPE SC, a.s.
78.128.128.0 78.128.255.255 32768 10/04/2007 CESNET
78.136.128.0 78.136.191.255 16384 09/05/2007 MobilKom, a.s.
78.156.32.0 78.156.63.255 8192 09/08/2007 RETE internet, s.r.o.
78.156.128.0 78.156.159.255 8192 16/08/2007 OptoNet Communication, spol. s.r.o.
78.157.160.0 78.157.191.255 8192 30/08/2007 SilesNet s.r.o.
79.127.128.0 79.127.255.255 32768 25/09/2007 Ipex Ltd.
79.141.240.0 79.141.255.255 4096 26/10/2007 M-SOFT, spol. s r.o.
79.174.32.0 79.174.63.255 8192 28/04/2008  
80.65.176.0 80.65.191.255 4096 19/04/2004 Moravia IT, a.s.
80.74.32.0 80.74.47.255 4096 18/06/2001 CESKY TELECOM, A.S.
80.78.144.0 80.78.159.255 4096 16/03/2005 PROMEDIA.CZ, s.r.o.
80.79.16.0 80.79.31.255 4096 16/03/2005 Master Internet s.r.o.
80.82.144.0 80.82.159.255 4096 11/04/2005 CoProSys a.s.
80.83.64.0 80.83.79.255 4096 30/07/2001 QNET CZ s.r.o.
80.87.176.0 80.87.191.255 4096 20/05/2005 OXID Networks s.r.o.
80.90.128.0 80.90.143.255 4096 07/10/2008 OXID Networks s.r.o.
80.95.96.0 80.95.111.255 4096 05/10/2001 Broadnet Czech
80.95.112.0 80.95.127.255 4096 29/08/2002 Broadnet Czech
80.95.240.0 80.95.255.255 4096 12/08/2005 Pragonet
80.188.0.0 80.188.255.255 65536 13/06/2002 CESKY TELECOM, A.S.
80.243.96.0 80.243.111.255 4096 27/05/2009 CentroNet a.s.
80.250.0.0 80.250.15.255 4096 29/11/2001 WIA spol. s.r.o.
80.250.16.0 80.250.31.255 4096 27/06/2005 WIA spol. s.r.o.
80.251.240.0 80.251.255.255 4096 21/11/2005 Dat, s.r.o.
81.0.192.0 81.0.255.255 16384 14/12/2001 Casablanca INT
81.2.192.0 81.2.255.255 16384 04/04/2002 INTERNET CZ, a.s.
81.19.0.0 81.19.15.255 4096 22/01/2002 FASTER CZ spol. s r.o.
81.19.32.0 81.19.47.255 4096 11/12/2002 CD-Telematika a.s.
81.25.16.0 81.25.31.255 4096 27/02/2006 Cerberos s.r.o.
81.27.192.0 81.27.207.255 4096 15/04/2002 UPC Ceska Republica, a.s.
81.28.16.0 81.28.31.255 4096 16/03/2006 UUNET-CZ
81.30.224.0 81.30.255.255 8192 27/05/2002 ha-vel internet s.r.o.
81.31.32.0 81.31.47.255 4096 28/05/2002 Master Internet s.r.o.
81.90.160.0 81.90.175.255 4096 04/07/2002 TERMS a.s.
81.90.240.0 81.90.255.255 4096 21/04/2006 ABAK, Ltd.
81.91.80.0 81.91.95.255 4096 25/04/2006 Web4U s.r.o.
81.91.208.0 81.91.223.255 4096 27/04/2006 OvaNet, a.s.
81.92.144.0 81.92.159.255 4096 03/05/2006 CoProSys a.s.
81.95.96.0 81.95.111.255 4096 03/09/2002 ACTIVE 24
81.200.48.0 81.200.63.255 4096 01/06/2006 Kabelova Televize Trinec, spol. s r.o.
81.201.48.0 81.201.63.255 4096 20/06/2006 NFX z.s.p.o.
82.99.128.0 82.99.191.255 16384 12/12/2003 RADIOKOMUNIKACE a.s.
82.100.0.0 82.100.63.255 16384 12/12/2003 Dial Telecom, a.s.
82.113.32.0 82.113.63.255 8192 11/12/2003 Dial Telecom, a.s.
82.114.192.0 82.114.223.255 8192 02/01/2004 Kabelova televize Prerov, a.s.
82.117.128.0 82.117.159.255 8192 09/02/2004 CD-Telematika a.s.
82.142.64.0 82.142.127.255 16384 05/09/2003 Broadnet Czech
82.144.128.0 82.144.159.255 8192 14/04/2009 KABELOVA TELEVIZE CZ s.r.o.
82.150.160.0 82.150.191.255 8192 26/08/2003 CL-NET s.r.o.
82.202.0.0 82.202.127.255 32768 23/09/2003 TS-Data s.r.o.
82.208.0.0 82.208.63.255 16384 16/09/2003 Casablanca INT
82.209.0.0 82.209.63.255 16384 29/09/2003 PODA s.r.o.
83.69.32.0 83.69.63.255 8192 25/05/2004 LOSAN internet s.r.o.
83.148.0.0 83.148.63.255 16384 24/02/2004 Volny a.s.
83.167.224.0 83.167.255.255 8192 21/08/2008 Master Internet s.r.o.
83.208.0.0 83.208.255.255 65536 02/03/2004 CESKY TELECOM, A.S.
83.240.0.0 83.240.127.255 32768 11/03/2004 SMART Comp. a.s.
84.16.96.0 84.16.127.255 8192 14/07/2004 COMA s.r.o.
84.19.64.0 84.19.95.255 8192 19/08/2004 Cesky Bezdrat, s.r.o.
84.21.96.0 84.21.127.255 8192 13/09/2004 COMA s.r.o.
84.38.176.0 84.38.191.255 4096 14/06/2006  
84.42.128.0 84.42.255.255 32768 14/09/2004 UPC Ceska Republica, a.s.
84.234.48.0 84.234.63.255 4096 02/07/2009  
84.242.64.0 84.242.127.255 16384 28/06/2004 UPC Ceska Republica, a.s.
84.244.64.0 84.244.127.255 16384 21/07/2004 RADIOKOMUNIKACE a.s.
85.13.64.0 85.13.127.255 16384 29/03/2005 CD-Telematika a.s.
85.70.0.0 85.71.255.255 131072 02/11/2004 CESKY TELECOM, A.S.
85.92.32.0 85.92.63.255 8192 02/12/2004 InterneXt 2000
85.93.96.0 85.93.127.255 8192 09/12/2004 MAXPROGRES, s.r.o.
85.93.160.0 85.93.191.255 8192 13/12/2004 WinSoft Company, s.r.o.
85.117.128.0 85.117.159.255 8192 24/03/2005 International Commercial Alliance, a.s.
85.132.128.0 85.132.255.255 32768 07/12/2004 Ipex Ltd.
85.135.0.0 85.135.127.255 32768 16/12/2004 PODA s.r.o.
85.160.0.0 85.163.255.255 262144 25/10/2004 Eurotel Praha, spol. s r.o.
85.193.0.0 85.193.63.255 16384 16/12/2004 LOSAN internet s.r.o.
85.202.128.0 85.202.143.255 4096 17/12/2007  
85.207.0.0 85.207.255.255 65536 17/01/2005 RADIOKOMUNIKACE a.s.
85.239.64.0 85.239.95.255 8192 16/06/2005 ANECT a.s.
85.239.224.0 85.239.255.255 8192 23/06/2005 NETWAY.CZ s.r.o.
86.49.0.0 86.49.255.255 65536 21/04/2005 UPC Ceska Republica, a.s.
86.61.128.0 86.61.255.255 32768 20/05/2005 COMA s.r.o.
86.63.192.0 86.63.223.255 8192 29/06/2005 CL-NET s.r.o.
87.249.128.0 87.249.159.255 8192 01/09/2005 TTNET s.r.o.
88.81.64.0 88.81.95.255 8192 02/12/2005 NWT Computer s.r.o.
88.83.160.0 88.83.191.255 8192 09/01/2006 TERMS a.s.
88.83.224.0 88.83.255.255 8192 11/01/2006 PROMEDIA.CZ, s.r.o.
88.86.96.0 88.86.127.255 8192 14/02/2006 SuperNetwork s.r.o.
88.100.0.0 88.103.255.255 262144 04/10/2005 CESKY TELECOM, A.S.
88.146.0.0 88.146.127.255 32768 20/12/2005 Volny a.s.
88.146.128.0 88.146.255.255 32768 23/12/2005 Sloane Park Property Trust a.s.
88.208.64.0 88.208.127.255 16384 28/10/2005 Dial Telecom, a.s.
89.24.0.0 89.24.127.255 32768 11/05/2006 T-Mobile Czech Republic a.s.
89.24.128.0 89.24.255.255 32768 04/05/2007 T-Mobile Czech Republic a.s.
89.29.0.0 89.29.127.255 32768 19/07/2006 PODA s.r.o.
89.102.0.0 89.103.255.255 131072 24/02/2006 UPC Ceska Republica, a.s.
89.111.64.0 89.111.127.255 16384 25/04/2006 CEZnet a.s.
89.176.0.0 89.177.255.255 131072 16/03/2006 UPC Ceska Republica, a.s.
89.185.224.0 89.185.255.255 8192 12/04/2006 Master Internet s.r.o.
89.187.128.0 89.187.159.255 8192 28/04/2006 Coolhousing s.r.o.
89.187.160.0 89.187.191.255 8192 28/04/2006 Fine Tech, s.r.o.
89.190.32.0 89.190.63.255 8192 06/06/2006 CzechBone
89.190.64.0 89.190.95.255 8192 06/06/2006 N-SYS s.r.o.
89.203.128.0 89.203.255.255 32768 27/04/2006 CD-Telematika a.s.
89.221.208.0 89.221.223.255 4096 11/10/2006 Visual Connection, spol. s r.o.
89.233.128.0 89.233.191.255 16384 10/05/2006 Pragonet
89.235.0.0 89.235.63.255 16384 30/05/2006 Dial Telecom, a.s.
89.239.0.0 89.239.63.255 16384 09/06/2006 CABEL MEDIA s.r.o.
89.248.240.0 89.248.255.255 4096 14/07/2006 Obcanske sdruzeni Hkfree
89.250.96.0 89.250.111.255 4096 09/08/2006 RWE Systems Czech
89.250.240.0 89.250.255.255 4096 23/08/2006 Trestel CZ, a.s.
90.176.0.0 90.183.255.255 524288 17/10/2006 CESKY TELECOM, A.S.
91.187.32.0 91.187.63.255 8192 16/11/2006 NWT Computer s.r.o.
92.38.0.0 92.38.127.255 32768 01/02/2008 ALFA TELECOM s.r.o.
92.61.80.0 92.61.95.255 4096 18/12/2007 NWT Computer s.r.o.
92.62.224.0 92.62.239.255 4096 28/01/2008 STARNET, s.r.o.
92.63.48.0 92.63.63.255 4096 31/01/2008 NEW TELEKOM, spol. s r.o.
92.240.160.0 92.240.191.255 8192 29/11/2007 CL-NET s.r.o.
92.243.192.0 92.243.223.255 8192 30/01/2008 LOSAN internet s.r.o.
92.253.128.0 92.253.255.255 32768 03/12/2007 ALFA TELECOM s.r.o.
93.89.96.0 93.89.111.255 4096 04/04/2008 SychrovNET s.r.o
93.89.144.0 93.89.159.255 4096 09/04/2008 GRADACE, spol. s r.o.
93.90.160.0 93.90.175.255 4096 23/04/2008 Oskar Mobil a.s.
93.91.48.0 93.91.63.255 4096 02/05/2008 inet4 s.r.o.
93.91.144.0 93.91.159.255 4096 16/05/2008 GRAPE SC, a.s.
93.91.240.0 93.91.255.255 4096 21/05/2008 Hlucin.net, s.r.o.
93.99.0.0 93.99.255.255 65536 25/02/2008 Sloane Park Property Trust a.s.
93.153.0.0 93.153.127.255 32768 07/05/2008 T-Mobile Czech Republic a.s.
93.170.0.0 93.171.255.255 131072 20/03/2008 ALFA TELECOM s.r.o.
93.175.192.0 93.175.207.255 4096 05/08/2008  
93.181.64.0 93.181.127.255 16384 28/04/2008 COMA s.r.o.
93.185.0.0 93.185.15.255 4096 04/06/2008 Ing. Roman Cvicek
93.185.48.0 93.185.63.255 4096 05/06/2008 ha-vel internet s.r.o.
93.185.96.0 93.185.111.255 4096 06/06/2008 VSHosting s.r.o.
94.45.0.0 94.45.31.255 8192 16/01/2009  
94.74.192.0 94.74.255.255 16384 17/07/2008 CL-NET s.r.o.
94.112.0.0 94.115.255.255 262144 09/07/2008 UPC Ceska Republica, a.s.
94.138.96.0 94.138.127.255 8192 22/09/2008 CoProSys a.s.
94.158.32.0 94.158.47.255 4096 17/09/2008  
94.158.208.0 94.158.223.255 4096 31/12/2008  
94.229.80.0 94.229.95.255 4096 13/11/2008 MASTER IT Technologies, a.s.
94.230.144.0 94.230.159.255 4096 24/12/2008 Americka obchodni, a.s.
94.231.176.0 94.231.191.255 4096 22/04/2009  
94.231.192.0 94.231.207.255 4096 10/06/2009  
94.231.208.0 94.231.223.255 4096 22/06/2009  
94.241.64.0 94.241.127.255 16384 29/09/2008 MobilKom, a.s.
94.242.64.0 94.242.127.255 16384 17/10/2008 PODA s.r.o.
95.46.0.0 95.47.255.255 131072 01/12/2008 ALFA TELECOM s.r.o.
95.80.192.0 95.80.255.255 16384 26/11/2008 Dial Telecom, a.s.
95.82.128.0 95.82.191.255 16384 11/12/2008 SMART Comp. a.s.
95.85.192.0 95.85.255.255 16384 31/12/2008 IJC, s.r.o.
95.143.128.0 95.143.143.255 4096 25/08/2009 Marek Smutny
95.168.192.0 95.168.223.255 8192 07/01/2009 SuperNetwork s.r.o.
95.173.64.0 95.173.95.255 8192 05/03/2009 ha-vel internet s.r.o.
95.173.192.0 95.173.223.255 8192 10/03/2009 AQUA,a.s.
95.182.0.0 95.182.127.255 32768 05/02/2009 NetArt Group s.r.o.
109.72.0.0 109.72.15.255 4096 04/09/2009 INTERNET Pb, spol. s r.o.
109.80.0.0 109.81.255.255 131072 10/07/2009 CESKY TELECOM, A.S.
109.105.32.0 109.105.63.255 8192 14/09/2009 CzechBone
188.75.128.0 188.75.191.255 16384 24/08/2009 JON.CZ s.r.o.
188.116.64.0 188.116.127.255 16384 04/06/2009 SELECT SYSTEM, s.r.o.
188.120.192.0 188.120.223.255 8192 05/05/2009 IP4ISP z.s.p.o
188.122.192.0 188.122.223.255 8192 04/06/2009 Magnalink, a.s.
188.124.64.0 188.124.95.255 8192 22/06/2009 Ing. Jan Dvoracek
188.130.128.0 188.130.255.255 32768 31/03/2009 NetArt Group s.r.o.
188.134.128.0 188.134.255.255 32768 28/04/2009 COMA s.r.o.
188.175.0.0 188.175.255.255 65536 24/08/2009 CL-NET s.r.o.
188.244.48.0 188.244.63.255 4096 31/07/2009 InterneXt 2000
188.246.96.0 188.246.127.255 8192 18/08/2009 SychrovNET s.r.o
193.84.32.0 193.84.47.255 4096 01/09/1993  
193.84.160.0 193.84.175.255 4096 01/09/1993  
193.84.192.0 193.84.207.255 4096 01/09/1993  
193.84.208.0 193.84.223.255 4096 01/09/1993  
193.85.0.0 193.85.255.255 65536 01/09/1993 GTS NOVERA a.s.
193.86.0.0 193.86.255.255 65536 20/06/1994 GTS NOVERA a.s.
193.165.0.0 193.165.255.255 65536 21/03/1996 SkyNet
193.179.0.0 193.179.255.255 65536 08/08/1995 GTS NOVERA a.s.
194.108.0.0 194.108.31.255 8192 03/11/1994 GTS NOVERA a.s.
194.108.32.0 194.108.63.255 8192 12/01/1995 GTS NOVERA a.s.
194.108.64.0 194.108.127.255 16384 01/01/1995 GTS NOVERA a.s.
194.108.128.0 194.108.255.255 32768 01/01/1995 GTS NOVERA a.s.
194.149.96.0 194.149.127.255 8192 28/05/2001 GTS NOVERA a.s.
194.212.0.0 194.212.255.255 65536 14/12/1995 GTS NOVERA a.s.
194.213.32.0 194.213.63.255 8192 26/01/1996 GTS NOVERA a.s.
194.213.192.0 194.213.223.255 8192 11/01/1996 GTS NOVERA a.s.
194.213.224.0 194.213.255.255 8192 30/01/1996 Volny a.s.
194.228.0.0 194.228.31.255 8192 12/01/1996 CESKY TELECOM, A.S.
194.228.32.0 194.228.63.255 8192 03/10/1997 CESKY TELECOM, A.S.
194.228.64.0 194.228.127.255 16384 03/10/1997 CESKY TELECOM, A.S.
194.228.128.0 194.228.255.255 32768 03/10/1997 CESKY TELECOM, A.S.
195.22.32.0 195.22.63.255 8192 19/06/1997 GTS NOVERA a.s.
195.39.0.0 195.39.127.255 32768 02/12/1996 GTS NOVERA a.s.
195.47.0.0 195.47.127.255 32768 28/05/2001 GTS NOVERA a.s.
195.70.128.0 195.70.159.255 8192 02/12/1996 GTS NOVERA a.s.
195.113.0.0 195.113.255.255 65536 17/03/1997 CESNET
195.122.192.0 195.122.223.255 8192 20/07/2000 Volny a.s.
195.128.192.0 195.128.223.255 8192 23/05/1997 Volny a.s.
195.144.96.0 195.144.127.255 8192 18/03/1997 GTS NOVERA a.s.
195.146.96.0 195.146.127.255 8192 08/09/1997 TS-Data s.r.o.
195.178.64.0 195.178.95.255 8192 26/02/1997 CESNET
195.250.128.0 195.250.159.255 8192 07/01/1997 Volny a.s.
212.4.128.0 212.4.159.255 8192 11/06/2008 CzechBone
212.11.96.0 212.11.127.255 8192 06/09/1999 TS-Data s.r.o.
212.20.64.0 212.20.95.255 8192 31/07/1998 Mopos Communications A.S.
212.20.96.0 212.20.127.255 8192 16/08/1999 Volny a.s.
212.24.128.0 212.24.159.255 8192 15/04/1998 Dial Telecom, a.s.
212.27.192.0 212.27.223.255 8192 31/08/1998 Volny a.s.
212.47.0.0 212.47.31.255 8192 02/04/1998 GTS NOVERA a.s.
212.65.192.0 212.65.223.255 8192 01/06/1999 GTS NOVERA a.s.
212.65.224.0 212.65.255.255 8192 25/01/2000 GTS NOVERA a.s.
212.67.64.0 212.67.95.255 8192 26/01/1999 Pragonet
212.71.128.0 212.71.159.255 8192 10/12/1998 Ipex Ltd.
212.71.160.0 212.71.191.255 8192 22/06/1999 Ipex Ltd.
212.80.64.0 212.80.95.255 8192 12/01/1999 Dial Telecom, a.s.
212.90.224.0 212.90.255.255 8192 31/07/2000 TS-Data s.r.o.
212.96.160.0 212.96.191.255 8192 07/07/1999 CzechBone
212.111.0.0 212.111.31.255 8192 12/11/1998 InterneXt 2000
212.158.128.0 212.158.159.255 8192 06/09/2002 RADIOKOMUNIKACE a.s.
213.19.0.0 213.19.127.255 32768 26/09/2003 Fortech s.r.o.
213.29.0.0 213.29.255.255 65536 08/01/2004 GTS NOVERA a.s.
213.129.128.0 213.129.159.255 8192 26/08/2008 SOFTEX NCP, s.r.o.
213.151.64.0 213.151.95.255 8192 06/04/2000 Dial Telecom, a.s.
213.155.32.0 213.155.63.255 8192 07/12/2007 Fortech s.r.o.
213.155.224.0 213.155.255.255 8192 30/01/2003 OpavaNet a.s. Czech Republic
213.168.160.0 213.168.175.255 4096 25/05/2001 Ipex Ltd.
213.168.176.0 213.168.191.255 4096 08/04/2003 Dragon Internet
213.175.32.0 213.175.63.255 8192 12/01/2001 Volny a.s.
213.180.32.0 213.180.63.255 8192 18/01/2001 CL-NET s.r.o.
213.191.96.0 213.191.127.255 8192 11/12/2002 Dial Telecom, a.s.
213.192.0.0 213.192.63.255 16384 01/10/2004 Sloane Park Property Trust a.s.
213.194.192.0 213.194.255.255 16384 20/02/2003 Ipex Ltd.
213.195.192.0 213.195.255.255 16384 15/07/2002 ha-vel internet s.r.o.
213.210.128.0 213.210.191.255 16384 02/05/2000 GTS NOVERA a.s.
213.211.32.0 213.211.63.255 8192 27/03/2003 CzechBone
213.216.32.0 213.216.63.255 8192 01/04/2003 SkyNet
213.220.192.0 213.220.255.255 16384 06/03/2003 UPC Ceska Republica, a.s.
213.226.192.0 213.226.223.255 8192 31/03/2003 BECO Link s.r.o.
213.226.224.0 213.226.255.255 8192 31/03/2003 M-SOFT, spol. s r.o.
213.235.64.0 213.235.127.255 16384 14/11/2002 TS-Data s.r.o.
213.235.128.0 213.235.191.255 16384 21/02/2001 TS-Data s.r.o.
213.250.192.0 213.250.255.255 16384 28/02/2003 Fortech s.r.o.
217.11.224.0 217.11.239.255 4096 23/08/2000 Casablanca INT
217.11.240.0 217.11.255.255 4096 22/06/2001 Casablanca INT
217.29.0.0 217.29.15.255 4096 06/03/2009 NETAIR s.r.o.
217.30.64.0 217.30.79.255 4096 10/12/2008 Planet A,a.s.
217.31.48.0 217.31.63.255 4096 10/06/2003 Ignum s.r.o.
217.31.192.0 217.31.207.255 4096 27/08/2002 CZ.NIC, z.s.p.o.
217.64.0.0 217.64.15.255 4096 05/05/2003 GiTy, a.s.
217.66.160.0 217.66.175.255 4096 06/11/2000 ha-vel internet s.r.o.
217.66.176.0 217.66.191.255 4096 25/01/2002 ha-vel internet s.r.o.
217.69.96.0 217.69.111.255 4096 17/11/2000 Masarykova univerzita - Ustav vypocetni techniky
217.75.208.0 217.75.223.255 4096 07/10/2003 Informacni a bezpecnostni agentura Chomutov s.r.o.
217.77.160.0 217.77.175.255 4096 04/12/2000 Oskar Mobil a.s.
217.112.160.0 217.112.175.255 4096 12/01/2001 AVONET, s.r.o.
217.115.240.0 217.115.255.255 4096 15/01/2004 AVONET, s.r.o.
217.117.208.0 217.117.223.255 4096 02/02/2004 LOSAN internet s.r.o.
217.168.208.0 217.168.223.255 4096 22/07/2004 TRIOPTIMUM s.r.o.
217.169.176.0 217.169.191.255 4096 04/08/2004 Unient Communications a.s.
217.170.96.0 217.170.111.255 4096 21/11/2008 FOFRNET spol. s r.o.
217.194.160.0 217.194.175.255 4096 02/04/2009 TERMS a.s.
217.195.160.0 217.195.175.255 4096 24/04/2001 CentroNet a.s.
217.196.208.0 217.196.223.255 4096 13/10/2004 MIRAMO spol. s.r.o.
217.197.32.0 217.197.47.255 4096 27/02/2009 MIRAMO spol. s.r.o.
217.197.144.0 217.197.159.255 4096 21/10/2004 NWT Computer s.r.o.
217.198.112.0 217.198.127.255 4096 15/11/2004 ZONER software, s.r.o.