| Date | IP Address |
| 2022-07-27 | 52.206.225.143 (ClassC) |
| 2022-07-27 | 3.215.59.16 (ClassC) |
| 2023-07-11 | 18.205.195.40 (ClassC) |
| 2023-07-11 | 52.203.110.220 (ClassC) |
| 2023-10-01 | 54.81.93.117 (ClassC) |
| 2023-12-28 | 34.237.207.74 (ClassC) |
| 2024-03-12 | 54.80.30.65 (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) |
| 2024-11-16 | 52.0.15.215 (ClassC) |
| 2024-11-19 | 54.226.108.74 (ClassC) |
| 2024-12-07 | 34.198.98.171 (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) |
| 2025-05-02 | 52.206.71.36 (ClassC) |
| 2025-05-08 | 35.153.237.155 (ClassC) |
| 2025-05-23 | 34.202.155.54 (ClassC) |
| 2025-05-23 | 44.212.134.75 (ClassC) |
| 2025-08-01 | 3.212.116.191 (ClassC) |
| 2025-09-18 | 52.45.97.149 (ClassC) |
| 2025-10-10 | 34.197.8.7 (ClassC) |
| 2025-11-06 | 52.4.215.247 (ClassC) |
| 2026-02-14 | 3.216.73.121 (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 | 2026-01-23 | 51.141.44.139 |
| ir35-comply.paystream.co.uk | 2025-05-17 | 51.141.44.139 |