| UK-PORTFAST-20110105 | ||||
| 188.246.192.0 — 188.246.223.255 | United Kingdom | 188.246.192.0/19 | 8192 | |
| Portfast | ||||
| 213.5.88.0 — 213.5.95.255 | United Kingdom | 213.5.88.0/21 | 2048 | |
| 193.108.199.0 — 193.108.199.255 | United Kingdom | 193.108.199.0/24 | 256 | |
| 2001:67c:1b8:: — 2001:67c:1b8:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2001:67c:1b8::/48 | 280 | |
| UK-PORTFAST-20150206 | ||||
| 185.87.56.0 — 185.87.59.255 | United Kingdom | 185.87.56.0/22 | 1024 | |
| UK-PORTFAST-20140430 | ||||
| 185.56.44.0 — 185.56.47.255 | United Kingdom | 185.56.44.0/22 | 1024 | |
| UK-PORTFAST-20101217 | ||||
| 2a03:9800:: — 2a03:9807:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a03:9800::/29 | 299 | |
