| CZ-CORE4NET-20080521 | ||||
| 93.91.240.0 — 93.91.255.255 | Czech Republic | 93.91.240.0/20 | 4096 | |
| CZ-CORE4NET-20101008 | ||||
| 79.142.144.0 — 79.142.159.255 | Czech Republic | 79.142.144.0/20 | 4096 | |
| CZ-CORE4NET-20140320 | ||||
| 185.51.28.0 — 185.51.31.255 | Czech Republic | 185.51.28.0/22 | 1024 | |
| CZ-CORE4NET-20161130 | ||||
| 185.180.0.0 — 185.180.3.255 | Czech Republic | 185.180.0.0/22 | 1024 | |
| CZ-CORE4NET-20161003 | ||||
| 185.170.240.0 — 185.170.243.255 | Czech Republic | 185.170.240.0/22 | 1024 | |
| CZ-CORE4NET-20160609 | ||||
| 2a05:d540:: — 2a05:d547:ffff:ffff:ffff:ffff:ffff:ffff | Czech Republic | 2a05:d540::/29 | 299 | |
| CZ-CORE4NET-20100927 | ||||
| 2a02:24c0:: — 2a02:24c0:ffff:ffff:ffff:ffff:ffff:ffff | Czech Republic | 2a02:24c0::/32 | 296 | |
