| Date | IP Address |
| 2020-02-26 | 13.227.43.12 (ClassC) |
| 2020-02-26 | 13.227.43.56 (ClassC) |
| 2024-07-27 | 204.246.191.5 (ClassC) |
| 2025-05-17 | 3.165.160.103 (ClassC) |
| 2025-07-03 | 99.84.66.24 (ClassC) |
| 2025-08-07 | 204.246.191.53 (ClassC) |
| 2025-09-19 | 204.246.191.56 (ClassC) |
| 2025-09-24 | 204.246.191.32 (ClassC) |
| Date | Domain | IP |
| assets.nft2.ers.nhs.uk | 2024-03-04 | 99.84.66.81 |
| assets.nft3.ers.nhs.uk | 2020-01-28 | 13.226.139.93 |
| assets.sa.ers.nhs.uk | 2024-12-16 | 18.238.238.98 |
| assets.rc.ers.nhs.uk | 2024-08-05 | 99.84.66.11 |
| accesscheck.ers.nhs.uk | 2024-07-27 | 3.163.24.13 |
| assets.dep.ers.nhs.uk | 2024-07-19 | 3.163.24.41 |
| assets.int.ers.nhs.uk | 2024-07-27 | 204.246.191.5 |
| assets.dev.ers.nhs.uk | 2024-07-18 | 3.163.24.116 |
| assets.codedev.ers.nhs.uk | 2024-08-11 | 204.246.191.11 |
| assets.testdev.ers.nhs.uk | 2024-10-31 | 18.161.6.108 |
| assets.fix.ers.nhs.uk | 2024-08-26 | 18.161.6.14 |