| Date | IP Address |
| 2025-05-10 | 31.121.11.89 (ClassC) |
| Date | Domain | IP |
| ww1.northumbria.police.uk | 2025-05-04 | 104.18.33.196 |
| ww2.northumbria.police.uk | 2024-12-22 | 172.64.154.60 |
| beta.northumbria.police.uk | 2025-05-04 | 31.121.11.82 |
| hybrid.northumbria.police.uk | 2025-04-02 | 31.121.11.80 |
| ssh-race.northumbria.police.uk | 2025-05-10 | 195.171.164.73 |
| webmail.northumbria.police.uk | 2025-05-04 | 31.121.11.80 |
| autodiscover.northumbria.police.uk | 2024-12-22 | 31.121.11.80 |
| services.northumbria.police.uk | 2025-05-04 | 31.121.11.82 |
| fs.northumbria.police.uk | 2025-05-10 | 31.121.11.89 |
| www.northumbria.police.uk | 2025-04-02 | 104.18.33.196 |