| Date | IP Address |
| 2020-08-30 | 13.224.38.119 (ClassC) |
| 2020-08-30 | 13.224.38.18 (ClassC) |
| 2020-08-30 | 13.224.38.49 (ClassC) |
| 2021-01-26 | 52.222.141.2 (ClassC) |
| 2023-11-01 | 204.246.191.81 (ClassC) |
| 2024-08-31 | 18.168.194.199 (ClassC) |
| 2024-10-27 | 18.175.19.150 (ClassC) |
| 2024-11-24 | 35.179.196.44 (ClassC) |
| 2025-01-28 | 35.177.174.153 (ClassC) |
| 2025-04-06 | 18.133.146.191 (ClassC) |
| 2025-04-29 | 13.42.181.179 (ClassC) |
| 2025-05-11 | 52.56.188.219 (ClassC) |
| 2025-09-02 | 3.10.7.200 (ClassC) |
| 2025-09-21 | 18.171.36.177 (ClassC) |
| 2025-11-23 | 18.133.7.20 (ClassC) |
| 2026-01-19 | 13.135.191.0 (ClassC) |
| 2026-02-24 | 18.133.47.114 (ClassC) |
| Date | Domain | IP |
| perf.saas.gov.uk | 2024-11-25 | 164.134.2.42 |
| myportal.saas.gov.uk | 2025-04-08 | 164.134.2.37 |
| preliveedocs.saas.gov.uk | 2024-11-25 | 164.134.2.43 |
| payments.saas.gov.uk | 2024-11-25 | 164.134.2.41 |
| www.saas.gov.uk | 2023-11-01 | 204.246.191.81 |