| IPv4 | 5.104.16.0/21 (5.104.16.0 - 5.104.23.255) | Tchéquie | * | * | 28/06/2012 00:00:00 | RIPENCC |
| IPv4 | 31.47.96.0/20 (31.47.96.0 - 31.47.111.255) | Tchéquie | * | * | 22/03/2011 00:00:00 | RIPENCC |
| IPv4 | 78.108.96.0/20 (78.108.96.0 - 78.108.111.255) | Tchéquie | * | * | 18/06/2007 00:00:00 | RIPENCC |
| IPv4 | 81.201.48.0/20 (81.201.48.0 - 81.201.63.255) | Tchéquie | * | * | 20/06/2006 00:00:00 | RIPENCC |
| IPv4 | 185.99.64.0/22 (185.99.64.0 - 185.99.67.255) | Tchéquie | * | * | 07/05/2015 00:00:00 | RIPENCC |
| IPv4 | 212.79.96.0/20 (212.79.96.0 - 212.79.111.255) | Tchéquie | * | * | 18/10/2010 00:00:00 | RIPENCC |
| IPv6 | 2a01:490::/32 (2a01:490:: - 2a01:490:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 28/08/2007 00:00:00 | RIPENCC |