| IPv4 | 5.53.8.0/21 (5.53.8.0 - 5.53.15.255) | Tchéquie | * | * | 29/05/2012 00:00:00 | RIPENCC |
| IPv4 | 31.28.128.0/19 (31.28.128.0 - 31.28.159.255) | Tchéquie | * | * | 28/02/2011 00:00:00 | RIPENCC |
| IPv4 | 46.47.128.0/18 (46.47.128.0 - 46.47.191.255) | Tchéquie | * | * | 22/10/2010 00:00:00 | RIPENCC |
| IPv4 | 62.129.32.0/19 (62.129.32.0 - 62.129.63.255) | Tchéquie | * | * | 24/01/2003 00:00:00 | RIPENCC |
| IPv4 | 78.157.128.0/19 (78.157.128.0 - 78.157.159.255) | Tchéquie | * | * | 04/06/2010 00:00:00 | RIPENCC |
| IPv4 | 82.209.0.0/18 (82.209.0.0 - 82.209.63.255) | Tchéquie | * | * | 29/09/2003 00:00:00 | RIPENCC |
| IPv4 | 84.16.96.0/19 (84.16.96.0 - 84.16.127.255) | Tchéquie | * | * | 14/07/2004 00:00:00 | RIPENCC |
| IPv4 | 84.21.96.0/19 (84.21.96.0 - 84.21.127.255) | Tchéquie | * | * | 13/09/2004 00:00:00 | RIPENCC |
| IPv4 | 85.135.0.0/17 (85.135.0.0 - 85.135.127.255) | Tchéquie | * | * | 16/12/2004 00:00:00 | RIPENCC |
| IPv4 | 86.61.128.0/17 (86.61.128.0 - 86.61.255.255) | Tchéquie | * | * | 20/05/2005 00:00:00 | RIPENCC |
| IPv4 | 89.29.0.0/17 (89.29.0.0 - 89.29.127.255) | Tchéquie | * | * | 19/07/2006 00:00:00 | RIPENCC |
| IPv4 | 91.106.240.0/20 (91.106.240.0 - 91.106.255.255) | Tchéquie | * | * | 25/06/2012 00:00:00 | RIPENCC |
| IPv4 | 93.181.64.0/18 (93.181.64.0 - 93.181.127.255) | Tchéquie | * | * | 28/04/2008 00:00:00 | RIPENCC |
| IPv4 | 94.242.64.0/18 (94.242.64.0 - 94.242.127.255) | Tchéquie | * | * | 17/10/2008 00:00:00 | RIPENCC |
| IPv4 | 128.0.176.0/20 (128.0.176.0 - 128.0.191.255) | Tchéquie | * | * | 14/09/2012 00:00:00 | RIPENCC |
| IPv4 | 164.215.112.0/20 (164.215.112.0 - 164.215.127.255) | Tchéquie | * | * | 25/11/2011 00:00:00 | RIPENCC |
| IPv4 | 176.227.248.0/21 (176.227.248.0 - 176.227.255.255) | Tchéquie | * | * | 05/12/2011 00:00:00 | RIPENCC |
| IPv4 | 185.5.68.0/22 (185.5.68.0 - 185.5.71.255) | Tchéquie | * | * | 01/10/2012 00:00:00 | RIPENCC |
| IPv4 | 188.134.128.0/17 (188.134.128.0 - 188.134.255.255) | Tchéquie | * | * | 28/04/2009 00:00:00 | RIPENCC |
| IPv4 | 193.165.0.0/16 (193.165.0.0 - 193.165.255.255) | Tchéquie | Provider Local Registry | * | 21/03/1996 00:00:00 | RIPENCC |
| IPv4 | 212.109.176.0/20 (212.109.176.0 - 212.109.191.255) | Tchéquie | * | * | 05/03/2012 00:00:00 | RIPENCC |
| IPv4 | 213.216.32.0/19 (213.216.32.0 - 213.216.63.255) | Tchéquie | * | * | 01/04/2003 00:00:00 | RIPENCC |
| IPv6 | 2a00:ca8::/32 (2a00:ca8:: - 2a00:ca8:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 16/10/2008 00:00:00 | RIPENCC |
| IPv6 | 2a02:c38::/32 (2a02:c38:: - 2a02:c38:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 25/03/2009 00:00:00 | RIPENCC |
| IPv6 | 2a03:6e80::/32 (2a03:6e80:: - 2a03:6e80:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 22/09/2011 00:00:00 | RIPENCC |