| UK-SIPSYNERGY-20100701 | ||||
| 178.255.56.0 — 178.255.63.255 | United Kingdom | 178.255.56.0/21 | 2048 | |
| UK-SIPSYNERGY-20190828 | ||||
| 45.146.156.0 — 45.146.159.255 | United Kingdom | 45.146.156.0/22 | 1024 | |
| UK-SIPSYNERGY-20131129 | ||||
| 185.41.224.0 — 185.41.227.255 | United Kingdom | 185.41.224.0/22 | 1024 | |
| 2a01:5de0:: — 2a01:5de0:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a01:5de0::/32 | 296 | |
