| UK-CITYFIBREHOLDINGS-20070301 | ||||
| 78.32.0.0 — 78.33.255.255 | United Kingdom | 78.32.0.0/15 | 131072 | |
| UK-CITYFIBREHOLDINGS-20090417 | ||||
| 188.39.0.0 — 188.39.255.255 | United Kingdom | 188.39.0.0/16 | 65536 | |
| UK-CITYFIBREHOLDINGS-20050908 | ||||
| 87.127.0.0 — 87.127.255.255 | United Kingdom | 87.127.0.0/16 | 65536 | |
| UK-CITYFIBREHOLDINGS-20040924 | ||||
| 84.45.128.0 — 84.45.255.255 | United Kingdom | 84.45.128.0/17 | 32768 | |
| UK-CITYFIBREHOLDINGS-20030205 | ||||
| 62.249.192.0 — 62.249.255.255 | United Kingdom | 62.249.192.0/18 | 16384 | |
| UK-CITYFIBREHOLDINGS-20020529 | ||||
| 81.31.96.0 — 81.31.127.255 | United Kingdom | 81.31.96.0/19 | 8192 | |
| UK-CITYFIBREHOLDINGS-19970828 | ||||
| 195.74.96.0 — 195.74.127.255 | United Kingdom | 195.74.96.0/19 | 8192 | |
| CITYFIBRE-L1 | ||||
| 156.67.240.0 — 156.67.255.255 | Cityfibre Ltd. | United Kingdom | 156.67.240.0/20 | 4096 |
| UK-CITYFIBREHOLDINGS-20071127 | ||||
| 79.143.144.0 — 79.143.159.255 | United Kingdom | 79.143.144.0/20 | 4096 | |
| UK-CITYFIBREHOLDINGS-20151201 | ||||
| 185.129.72.0 — 185.129.75.255 | United Kingdom | 185.129.72.0/22 | 1024 | |
| UK-CITYFIBREHOLDINGS-20170908 | ||||
| 185.220.12.0 — 185.220.15.255 | United Kingdom | 185.220.12.0/22 | 1024 | |
| UK-CITYFIBREHOLDINGS-20150526 | ||||
| 185.101.148.0 — 185.101.151.255 | United Kingdom | 185.101.148.0/22 | 1024 | |
| UK-CITYFIBREHOLDINGS-20141217 | ||||
| 185.81.192.0 — 185.81.195.255 | United Kingdom | 185.81.192.0/22 | 1024 | |
| 2a05:8940:: — 2a05:8947:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a05:8940::/29 | 299 | |
| UK-CITYFIBREHOLDINGS-20050912 | ||||
| 2001:4d48:: — 2001:4d4f:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2001:4d48::/29 | 299 | |
| CITYFIBRE-V6-0 | ||||
| 2a05:8940:: — 2a05:8940:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8940::/32 | 296 |
| CITYFIBRE-V6-1 | ||||
| 2a05:8941:: — 2a05:8941:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8941::/32 | 296 |
| CITYFIBRE-V6-2 | ||||
| 2a05:8942:: — 2a05:8942:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8942::/32 | 296 |
| CITYFIBRE-V6-3 | ||||
| 2a05:8943:: — 2a05:8943:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre Peterborough, UK | United Kingdom | 2a05:8943::/32 | 296 |
| CITYFIBRE-V6-4 | ||||
| 2a05:8944:: — 2a05:8944:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre Coventry, UK | United Kingdom | 2a05:8944::/32 | 296 |
| CITYFIBRE-V6-5 | ||||
| 2a05:8945:: — 2a05:8945:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8945::/32 | 296 |
| CITYFIBRE-V6-6 | ||||
| 2a05:8946:: — 2a05:8946:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8946::/32 | 296 |
| CITYFIBRE-V6-7 | ||||
| 2a05:8947:: — 2a05:8947:ffff:ffff:ffff:ffff:ffff:ffff | CityFibre UK | United Kingdom | 2a05:8947::/32 | 296 |
