| Date | IP Address |
| 2024-12-04 | 3.10.159.20 (ClassC) |
| 2025-10-01 | 35.177.164.111 (ClassC) |
| 2025-10-12 | 18.135.65.242 (ClassC) |
| 2025-10-24 | 13.43.24.237 (ClassC) |
| 2025-11-22 | 18.168.175.71 (ClassC) |
| Date | Domain | IP |
| api.votercard.erop.ierds.uk | 2024-05-30 | 13.43.41.8 |
| api.search.erop.ierds.uk | 2025-10-01 | 35.177.164.111 |
| api.votercard.eip.erop.ierds.uk | 2024-05-30 | 18.135.66.64 |
| api.overseas-applications.eip.erop.ierds.uk | 2025-10-02 | 13.41.32.187 |
| admin.int.eip.erop.ierds.uk | 2024-05-30 | 18.135.18.251 |
| api.postal-application-upload-source.pvt.np.erop.ierds.uk | 2025-08-03 | 3.163.24.29 |
| api.applications-app-scan-draft-template.pvt.np.erop.ierds.uk | 2025-09-16 | 99.84.66.72 |
| api.eroadmin.pvt.np.erop.ierds.uk | 2024-05-30 | 18.132.34.65 |
| api.postal-applications.erop.ierds.uk | 2025-08-16 | 13.134.156.68 |
| api.applications-app-scan-source.test.erop.ierds.uk | 2025-10-31 | 18.161.6.17 |
| api.overseas-applications.test.erop.ierds.uk | 2024-05-30 | 3.8.52.91 |