| UK-PRT-20020911 | ||||
| 217.65.160.0 — 217.65.175.255 | United Kingdom | 217.65.160.0/20 | 4096 | |
| UK-PRT-20041105 | ||||
| 217.198.48.0 — 217.198.63.255 | United Kingdom | 217.198.48.0/20 | 4096 | |
| UK-PRT-20110412 | ||||
| 31.7.8.0 — 31.7.15.255 | United Kingdom | 31.7.8.0/21 | 2048 | |
| 2a03:9f00:: — 2a03:9f00:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a03:9f00::/32 | 296 | |
| UK-PRT-20150716 | ||||
| 185.109.124.0 — 185.109.127.255 | United Kingdom | 185.109.124.0/22 | 1024 | |
| 185.109.136.0 — 185.109.139.255 | United Kingdom | 185.109.136.0/22 | 1024 | |
| UK-PRT-20030516 | ||||
| 2001:1420:: — 2001:1427:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2001:1420::/29 | 299 | |
| UK-PRT-20041108 | ||||
| 2001:768:: — 2001:768:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2001:768::/32 | 296 | |
