| Date | IP Address |
| 2022-07-27 | 3.215.59.16 (ClassC) |
| 2024-03-12 | 23.23.133.102 (ClassC) |
| 2024-10-02 | 100.25.63.155 (ClassC) |
| 2024-11-06 | 34.231.161.71 (ClassC) |
| 2024-11-19 | 54.226.108.74 (ClassC) |
| 2024-12-28 | 52.4.119.183 (ClassC) |
| 2025-02-20 | 50.16.225.237 (ClassC) |
| 2025-04-05 | 34.226.135.202 (ClassC) |
| 2025-04-27 | 52.71.211.69 (ClassC) |
| 2025-05-08 | 35.153.237.155 (ClassC) |
| 2025-05-23 | 44.212.134.75 (ClassC) |
| 2025-08-01 | 3.212.116.191 (ClassC) |
| Date | Domain | IP |
| sso.paystream.co.uk | 2024-12-01 | 51.141.44.139 |
| help.paystream.co.uk | 2024-11-06 | 34.231.161.71 |
| sso.test.paystream.co.uk | 2025-04-23 | 51.141.44.139 |
| ir35-comply.paystream.co.uk | 2025-05-17 | 51.141.44.139 |