| Date | IP Address |
| 2020-02-18 | 13.227.43.8 (ClassC) |
| 2020-02-18 | 13.227.43.9 (ClassC) |
| 2024-04-15 | 18.244.214.36 (ClassC) |
| 2024-05-24 | 18.161.6.37 (ClassC) |
| 2025-03-09 | 204.246.191.58 (ClassC) |
| 2025-05-23 | 52.84.162.63 (ClassC) |
| 2025-06-05 | 204.246.191.101 (ClassC) |
| 2025-06-09 | 204.246.191.15 (ClassC) |
| 2025-06-30 | 52.84.162.127 (ClassC) |
| 2025-07-07 | 204.246.191.45 (ClassC) |
| 2025-08-12 | 99.84.66.17 (ClassC) |
| 2025-08-16 | 13.226.184.13 (ClassC) |
| 2026-02-04 | 18.161.6.49 (ClassC) |
| 2026-02-24 | 18.161.6.84 (ClassC) |
| Date | Domain | IP |
| api.kertaluotto.rahoitus.op.fi | 2025-08-24 | 3.167.183.113 |
| api.tililuotto.rahoitus.op.fi | 2025-11-18 | 3.163.24.118 |
| api.op-lasku.rahoitus.op.fi | 2024-12-27 | 3.163.24.69 |
| avw.rahoitus.op.fi | 2024-12-27 | 3.163.165.20 |