| Date | IP Address |
| 2025-05-05 | 13.43.78.251 (ClassC) |
| 2025-05-24 | 35.178.22.158 (ClassC) |
| 2025-07-11 | 3.8.44.192 (ClassC) |
| 2025-08-18 | 13.40.247.215 (ClassC) |
| 2025-09-07 | 13.42.228.102 (ClassC) |
| 2025-09-22 | 18.132.8.2 (ClassC) |
| 2025-10-12 | 18.134.42.80 (ClassC) |
| 2025-12-05 | 18.168.97.171 (ClassC) |
| 2026-02-16 | 52.56.202.225 (ClassC) |
| Date | Domain | IP |
| xda.prod.xd.gss.gov.uk | 2024-05-30 | 18.170.186.80 |
| importapi-stub.prod.xd.gss.gov.uk | 2024-05-30 | 13.41.105.1 |
| helloworld.prod.xd.gss.gov.uk | 2025-11-25 | 3.163.24.119 |
| xdapi.prod.xd.gss.gov.uk | 2025-05-05 | 13.43.78.251 |
| importapi.prod.xd.gss.gov.uk | 2024-05-30 | 3.9.105.228 |
| xdx-ingest.ncsc.staging.xd.gss.gov.uk | 2025-11-17 | 18.171.72.193 |