| UK-XIFOS-20050315 | ||||
| 80.77.240.0 — 80.77.255.255 | United Kingdom | 80.77.240.0/20 | 4096 | |
| UK-XIFOS-20070507 | ||||
| 77.246.16.0 — 77.246.31.255 | United Kingdom | 77.246.16.0/20 | 4096 | |
| UK-XIFOS-20110217 | ||||
| 46.232.192.0 — 46.232.199.255 | United Kingdom | 46.232.192.0/21 | 2048 | |
| XIFOS | ||||
| 195.8.116.0 — 195.8.116.255 | United Kingdom | 195.8.116.0/24 | 256 | |
| UK-XIFOS-20100115 | ||||
| 2a00:1990:: — 2a00:1990:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a00:1990::/32 | 296 | |
