| Date | IP Address |
| 2020-03-28 | 99.84.41.43 (ClassC) |
| 2020-03-28 | 99.84.41.60 (ClassC) |
| 2021-02-10 | 65.8.54.30 (ClassC) |
| 2021-02-10 | 65.8.54.98 (ClassC) |
| 2025-01-14 | 13.35.58.92 (ClassC) |
| 2025-05-01 | 3.163.189.126 (ClassC) |
| 2025-05-17 | 3.163.189.80 (ClassC) |
| 2025-10-30 | 3.163.24.80 (ClassC) |
| 2025-12-05 | 3.163.24.46 (ClassC) |
| 2026-01-07 | 3.163.24.4 (ClassC) |
| 2026-01-31 | 3.163.24.77 (ClassC) |
| Date | Domain | IP |
| auth-service-api.ra.cdp.postoffice.co.uk | 2024-05-30 | 35.176.116.230 |
| travel-app-bo.ra.cdp.postoffice.co.uk | 2025-02-04 | 18.172.170.97 |
| chat.ra.cdp.postoffice.co.uk | 2024-12-31 | 3.163.158.25 |
| pudo-support-portal.prod.cdp.postoffice.co.uk | 2025-08-26 | 99.84.66.10 |
| chat.prod.cdp.postoffice.co.uk | 2025-05-01 | 3.163.189.126 |
| api.cdp.postoffice.co.uk | 2025-12-31 | 18.135.33.215 |
| branch-hub.ipt.cdp.postoffice.co.uk | 2024-12-12 | 3.163.189.61 |
| chat.ipt.cdp.postoffice.co.uk | 2025-11-17 | 3.169.173.90 |