| UK-JANET-193-60-193-63 | ||||
| 193.60.0.0 — 193.63.255.255 | United Kingdom | 193.60.0.0/14 | 262144 | |
| UK-JANET-960220 | ||||
| 194.80.0.0 — 194.83.255.255 | United Kingdom | 194.80.0.0/14 | 262144 | |
| UK-JANET-970630 | ||||
| 195.194.0.0 — 195.195.255.255 | United Kingdom | 195.194.0.0/15 | 131072 | |
| JANET | ||||
| 128.86.0.0 — 128.86.255.255 | JANET Aggregate | United Kingdom | 128.86.0.0/16 | 65536 |
| UK-JANET-940418 | ||||
| 194.66.0.0 — 194.66.255.255 | United Kingdom | 194.66.0.0/16 | 65536 | |
| UK-JANET-980806 | ||||
| 212.219.0.0 — 212.219.255.255 | United Kingdom | 212.219.0.0/16 | 65536 | |
| UK-JANET-20020617 | ||||
| 81.87.0.0 — 81.87.255.255 | United Kingdom | 81.87.0.0/16 | 65536 | |
| JANET-NOC | ||||
| 146.97.0.0 — 146.97.255.255 | Jisc Services Limited | United Kingdom | 146.97.0.0/16 | 65536 |
| UK-JANET-20071206 | ||||
| 212.121.192.0 — 212.121.223.255 | United Kingdom | 212.121.192.0/19 | 8192 | |
| UK-JANET-981113 | ||||
| 212.121.0.0 — 212.121.31.255 | United Kingdom | 212.121.0.0/19 | 8192 | |
| UK-JANET-20090429 | ||||
| 188.92.136.0 — 188.92.143.255 | United Kingdom | 188.92.136.0/21 | 2048 | |
| UK-JANET-20060711 | ||||
| 89.207.208.0 — 89.207.215.255 | United Kingdom | 89.207.208.0/21 | 2048 | |
| UK-JANET-20120827 | ||||
| 5.198.136.0 — 5.198.143.255 | United Kingdom | 5.198.136.0/21 | 2048 | |
| UK-JANET-20040722 | ||||
| 83.138.32.0 — 83.138.39.255 | United Kingdom | 83.138.32.0/21 | 2048 | |
| UK-JANET-20040614 | ||||
| 83.137.208.0 — 83.137.215.255 | United Kingdom | 83.137.208.0/21 | 2048 | |
| UK-JANET-20171011 | ||||
| 185.224.232.0 — 185.224.235.255 | United Kingdom | 185.224.232.0/22 | 1024 | |
| OPEN-ATHENS | ||||
| 188.92.136.0 — 188.92.136.255 | Jisc Services Limited | United Kingdom | 188.92.136.0/24 | 256 |
| 5.198.143.0 — 5.198.143.255 | Jisc Services Limited | United Kingdom | 5.198.143.0/24 | 256 |
| 5.198.142.0 — 5.198.142.255 | Jisc Services Limited | United Kingdom | 5.198.142.0/24 | 256 |
| 5.198.140.0 — 5.198.140.255 | Jisc Services Limited | United Kingdom | 5.198.140.0/24 | 256 |
| 5.198.136.0 — 5.198.136.255 | Jisc Services Limited | United Kingdom | 5.198.136.0/24 | 256 |
| 188.92.137.0 — 188.92.137.255 | Jisc Services Limited | United Kingdom | 188.92.137.0/24 | 256 |
| 83.137.212.0 — 83.137.212.255 | Jisc Services Limited | United Kingdom | 83.137.212.0/24 | 256 |
| 83.137.211.0 — 83.137.211.255 | Jisc Services Limited | United Kingdom | 83.137.211.0/24 | 256 |
| 5.198.141.0 — 5.198.141.255 | Jisc Services Limited | United Kingdom | 5.198.141.0/24 | 256 |
| 188.92.139.0 — 188.92.139.255 | Jisc Services Limited | United Kingdom | 188.92.139.0/24 | 256 |
| 188.92.138.0 — 188.92.138.255 | Jisc Services Limited | United Kingdom | 188.92.138.0/24 | 256 |
| 5.198.139.0 — 5.198.139.255 | Jisc Services Limited | United Kingdom | 5.198.139.0/24 | 256 |
| 5.198.138.0 — 5.198.138.255 | Jisc Services Limited | United Kingdom | 5.198.138.0/24 | 256 |
| 5.198.137.0 — 5.198.137.255 | Jisc Services Limited | United Kingdom | 5.198.137.0/24 | 256 |
| UK-JANET-19991019 | ||||
| 2001:630:: — 2001:630:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2001:630::/32 | 296 | |
| UK-JANET-20110127 | ||||
| 2a00:ee00:: — 2a00:ee00:ffff:ffff:ffff:ffff:ffff:ffff | United Kingdom | 2a00:ee00::/32 | 296 | |
| JANET-SDC | ||||
| 2001:630:38:: — 2001:630:38:ffff:ffff:ffff:ffff:ffff | Janet Shared Data Centre | United Kingdom | 2001:630:38::/48 | 280 |
