| IPv4 | 46.227.8.0/21 (46.227.8.0 - 46.227.15.255) | Tchéquie | QUANTCOM a.s. | * | 26/01/2011 00:00:00 | RIPENCC |
| IPv4 | 62.4.96.0/21 (62.4.96.0 - 62.4.103.255) | Tchéquie | * | * | 11/06/2001 00:00:00 | RIPENCC |
| IPv4 | 62.4.104.0/22 (62.4.104.0 - 62.4.107.255) | Tchéquie | * | * | 11/06/2001 00:00:00 | RIPENCC |
| IPv4 | 62.4.108.0/22 (62.4.108.0 - 62.4.111.255) | Tchéquie | * | * | 11/06/2001 00:00:00 | RIPENCC |
| IPv4 | 62.4.112.0/20 (62.4.112.0 - 62.4.127.255) | Tchéquie | * | * | 11/06/2001 00:00:00 | RIPENCC |
| IPv4 | 62.44.0.0/19 (62.44.0.0 - 62.44.31.255) | Tchéquie | * | * | 23/05/1997 00:00:00 | RIPENCC |
| IPv4 | 62.177.64.0/18 (62.177.64.0 - 62.177.127.255) | Tchéquie | * | * | 15/10/2001 00:00:00 | RIPENCC |
| IPv4 | 82.100.0.0/18 (82.100.0.0 - 82.100.63.255) | Tchéquie | * | * | 12/12/2003 00:00:00 | RIPENCC |
| IPv4 | 82.113.32.0/19 (82.113.32.0 - 82.113.63.255) | Tchéquie | * | * | 11/12/2003 00:00:00 | RIPENCC |
| IPv4 | 82.119.240.0/20 (82.119.240.0 - 82.119.255.255) | Tchéquie | * | * | 18/02/2004 00:00:00 | RIPENCC |
| IPv4 | 83.148.0.0/18 (83.148.0.0 - 83.148.63.255) | Tchéquie | * | * | 24/02/2004 00:00:00 | RIPENCC |
| IPv4 | 85.93.96.0/19 (85.93.96.0 - 85.93.127.255) | Tchéquie | QUANTCOM a.s. | * | 09/12/2004 00:00:00 | RIPENCC |
| IPv4 | 88.146.0.0/17 (88.146.0.0 - 88.146.127.255) | Tchéquie | * | * | 20/12/2005 00:00:00 | RIPENCC |
| IPv4 | 88.208.64.0/18 (88.208.64.0 - 88.208.127.255) | Tchéquie | * | * | 28/10/2005 00:00:00 | RIPENCC |
| IPv4 | 89.235.0.0/18 (89.235.0.0 - 89.235.63.255) | Tchéquie | * | * | 30/05/2006 00:00:00 | RIPENCC |
| IPv4 | 95.80.192.0/18 (95.80.192.0 - 95.80.255.255) | Tchéquie | * | * | 26/11/2008 00:00:00 | RIPENCC |
| IPv4 | 109.235.176.0/21 (109.235.176.0 - 109.235.183.255) | Tchéquie | * | * | 28/01/2010 00:00:00 | RIPENCC |
| IPv4 | 151.237.224.0/21 (151.237.224.0 - 151.237.231.255) | Tchéquie | QUANTCOM a.s. | * | 16/08/2012 00:00:00 | RIPENCC |
| IPv4 | 185.24.236.0/22 (185.24.236.0 - 185.24.239.255) | Tchéquie | * | * | 24/04/2013 00:00:00 | RIPENCC |
| IPv4 | 194.213.224.0/19 (194.213.224.0 - 194.213.255.255) | Tchéquie | * | * | 30/01/1996 00:00:00 | RIPENCC |
| IPv4 | 195.122.192.0/19 (195.122.192.0 - 195.122.223.255) | Tchéquie | * | * | 20/07/2000 00:00:00 | RIPENCC |
| IPv4 | 195.128.192.0/19 (195.128.192.0 - 195.128.223.255) | Tchéquie | * | * | 23/05/1997 00:00:00 | RIPENCC |
| IPv4 | 195.250.128.0/19 (195.250.128.0 - 195.250.159.255) | Tchéquie | * | * | 07/01/1997 00:00:00 | RIPENCC |
| IPv4 | 212.20.96.0/19 (212.20.96.0 - 212.20.127.255) | Tchéquie | * | * | 16/08/1999 00:00:00 | RIPENCC |
| IPv4 | 212.24.128.0/19 (212.24.128.0 - 212.24.159.255) | Tchéquie | * | * | 15/04/1998 00:00:00 | RIPENCC |
| IPv4 | 212.27.192.0/19 (212.27.192.0 - 212.27.223.255) | Tchéquie | * | * | 31/08/1998 00:00:00 | RIPENCC |
| IPv4 | 212.80.64.0/19 (212.80.64.0 - 212.80.95.255) | Tchéquie | * | * | 12/01/1999 00:00:00 | RIPENCC |
| IPv4 | 213.151.64.0/19 (213.151.64.0 - 213.151.95.255) | Tchéquie | * | * | 06/04/2000 00:00:00 | RIPENCC |
| IPv4 | 213.175.32.0/19 (213.175.32.0 - 213.175.63.255) | Tchéquie | * | * | 12/01/2001 00:00:00 | RIPENCC |
| IPv4 | 213.191.96.0/19 (213.191.96.0 - 213.191.127.255) | Tchéquie | * | * | 11/12/2002 00:00:00 | RIPENCC |
| IPv6 | 2001:1508::/32 (2001:1508:: - 2001:1508:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 17/07/2003 00:00:00 | RIPENCC |
| IPv6 | 2001:4de8::/32 (2001:4de8:: - 2001:4de8:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 14/12/2005 00:00:00 | RIPENCC |
| IPv6 | 2a00:c40::/32 (2a00:c40:: - 2a00:c40:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | QUANTCOM a.s. | * | 06/10/2008 00:00:00 | RIPENCC |