| Date | IP Address |
| 2024-05-30 | 3.9.105.228 (ClassC) |
| 2024-06-20 | 3.10.2.43 (ClassC) |
| 2024-09-10 | 13.43.120.145 (ClassC) |
| 2024-11-10 | 18.170.237.214 (ClassC) |
| 2025-01-14 | 18.168.135.79 (ClassC) |
| 2025-03-10 | 35.179.36.236 (ClassC) |
| 2025-04-28 | 13.41.147.207 (ClassC) |
| 2025-05-11 | 51.24.14.201 (ClassC) |
| 2025-07-08 | 18.170.234.64 (ClassC) |
| 2025-08-29 | 18.134.47.43 (ClassC) |
| 2025-09-22 | 18.175.110.203 (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 | 2025-07-03 | 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 |