| Date | IP Address |
| 2024-12-07 | 13.32.145.92 (ClassC) |
| 2025-11-18 | 3.169.173.109 (ClassC) |
| Date | Domain | IP |
| ipvstub.review-c.build.account.gov.uk | 2024-05-30 | 18.170.231.3 |
| events.review-b-async.build.account.gov.uk | 2025-03-23 | 35.179.21.48 |
| home.build.account.gov.uk | 2025-11-01 | 3.175.34.78 |
| fraud-function.platform.build.account.gov.uk | 2025-11-18 | 3.169.173.109 |
| signin.build.account.gov.uk | 2025-09-22 | 3.169.173.99 |
| ipvstub.review-o.build.account.gov.uk | 2024-05-30 | 3.9.98.131 |
| identity.build.account.gov.uk | 2025-09-18 | 3.169.173.8 |
| api.identity.build.account.gov.uk | 2025-09-03 | 18.130.215.52 |