| Date | IP Address |
| 2024-11-07 | 3.251.100.33 (ClassC) |
| 2025-10-14 | 54.229.71.39 (ClassC) |
| 2025-10-25 | 52.209.83.124 (ClassC) |
| Date | Domain | IP |
| alto-test708.a.altotest.co.uk | 2025-10-14 | 54.229.71.39 |
| alto-pr4098.a.altotest.co.uk | 2025-03-13 | 54.220.23.43 |
| unsubscribe.altotest.co.uk | 2025-05-31 | 34.249.80.248 |
| apigw.unsubscribe.altotest.co.uk | 2025-06-29 | 34.248.59.249 |
| nonprod.user-service.lettings-api.altotest.co.uk | 2025-09-14 | 34.251.248.59 |
| staging.property-service.lettings-api.altotest.co.uk | 2024-11-25 | 108.128.110.38 |