| CZ-CETIN-20041025 | ||||
| 85.162.0.0 — 85.163.255.255 | Czech Republic | 85.162.0.0/15 | 131072 | |
| CZ-CETIN-20010618 | ||||
| 80.74.32.0 — 80.74.47.255 | Czech Republic | 80.74.32.0/20 | 4096 | |
| CETIN | ||||
| 85.163.8.0 — 85.163.15.255 | Ceska Telekomunikacni Infrastruktura a.s. | Czech Republic | 85.163.8.0/21 | 2048 |
| 85.162.0.0 — 85.162.7.255 | Ceska Telekomunikacni Infrastruktura a.s. | Czech Republic | 85.162.0.0/21 | 2048 |
| 85.162.8.0 — 85.162.15.255 | Ceska Telekomunikacni Infrastruktura a.s. | Czech Republic | 85.162.8.0/21 | 2048 |
| 195.250.141.180 — 195.250.141.183 | CETIN a.s. | Czech Republic | 195.250.141.180/30 | 4 |
| CZ-CETIN-20180926 | ||||
| 194.147.12.0 — 194.147.15.255 | Czech Republic | 194.147.12.0/22 | 1024 | |
| CZ-CETIN-20160226 | ||||
| 2a07:1f40:: — 2a07:1f47:ffff:ffff:ffff:ffff:ffff:ffff | Czech Republic | 2a07:1f40::/29 | 299 | |
