| Date | IP Address |
| 2025-01-26 | 18.130.78.89 (ClassC) |
| 2025-10-05 | 18.133.38.57 (ClassC) |
| Date | Domain | IP |
| api.review-a.integration.account.gov.uk | 2024-05-30 | 18.169.58.21 |
| oidc.integration.account.gov.uk | 2024-05-30 | 3.9.127.189 |
| review-hc.integration.account.gov.uk | 2025-09-19 | 3.169.173.128 |
| manage.integration.account.gov.uk | 2025-08-31 | 51.24.19.230 |
| api.review-f.integration.account.gov.uk | 2024-05-30 | 3.11.133.77 |
| signin.integration.account.gov.uk | 2024-05-30 | 18.168.64.168 |
| zendesk.transaction.integration.account.gov.uk | 2024-05-30 | 18.130.57.14 |
| api.review-o.integration.account.gov.uk | 2025-10-05 | 18.133.38.57 |
| review-p.integration.account.gov.uk | 2024-05-30 | 3.8.58.210 |
| api.review-p.integration.account.gov.uk | 2024-05-30 | 13.41.168.148 |