| Date | IP Address |
| 2026-02-26 | 51.141.44.139 (ClassC) |
| Date | Domain | IP |
| sso.paystream.co.uk | 2026-02-14 | 51.141.44.139 |
| help.paystream.co.uk | 2024-11-06 | 34.231.161.71 |
| sso.test.paystream.co.uk | 2026-02-19 | 51.141.44.139 |
| ir35-comply.paystream.co.uk | 2026-02-26 | 51.141.44.139 |