| IPv4 | 79.170.248.0/21 (79.170.248.0 - 79.170.255.255) | Tchéquie | * | * | 05/10/2007 00:00:00 | RIPENCC |
| IPv4 | 131.117.208.0/21 (131.117.208.0 - 131.117.215.255) | Tchéquie | * | * | 16/03/2012 00:00:00 | RIPENCC |
| IPv4 | 178.20.136.0/21 (178.20.136.0 - 178.20.143.255) | Tchéquie | * | * | 26/02/2010 00:00:00 | RIPENCC |
| IPv4 | 185.84.232.0/22 (185.84.232.0 - 185.84.235.255) | Tchéquie | * | * | 20/01/2015 00:00:00 | RIPENCC |
| IPv4 | 217.112.160.0/20 (217.112.160.0 - 217.112.175.255) | Tchéquie | * | * | 12/01/2001 00:00:00 | RIPENCC |
| IPv4 | 217.115.240.0/20 (217.115.240.0 - 217.115.255.255) | Tchéquie | * | * | 15/01/2004 00:00:00 | RIPENCC |
| IPv6 | 2a00:6500::/29 (2a00:6500:: - 2a00:6507:ffff:ffff:ffff:ffff:ffff:ffff) | Tchéquie | * | * | 11/02/2011 00:00:00 | RIPENCC |