| Date | IP Address |
| 2024-12-07 | 18.169.93.187 (ClassC) |
| 2025-01-20 | 18.130.150.193 (ClassC) |
| 2025-04-29 | 35.177.16.170 (ClassC) |
| 2025-05-08 | 18.168.92.184 (ClassC) |
| 2025-07-02 | 35.176.33.223 (ClassC) |
| 2025-07-30 | 3.9.246.90 (ClassC) |
| Date | Domain | IP |
| api.review-a.dev.account.gov.uk | 2024-05-30 | 35.176.220.241 |
| api.review-d.dev.account.gov.uk | 2025-03-23 | 18.132.138.160 |
| auth.dev.account.gov.uk | 2024-05-30 | 13.42.131.246 |
| api.return.dev.account.gov.uk | 2025-01-20 | 18.130.150.193 |
| bav-cri-front.review-bav.dev.account.gov.uk | 2025-07-14 | 204.246.191.82 |