| Date | IP Address |
| 2021-05-06 | 13.225.62.90 (ClassC) |
| 2021-10-30 | 13.225.50.2 (ClassC) |
| 2021-10-30 | 13.225.50.28 (ClassC) |
| 2023-11-02 | 3.163.24.5 (ClassC) |
| 2024-04-22 | 3.163.24.82 (ClassC) |
| 2024-06-17 | 3.163.24.69 (ClassC) |
| 2024-06-25 | 3.163.24.88 (ClassC) |
| 2025-01-09 | 18.65.229.126 (ClassC) |
| 2025-02-25 | 204.246.191.25 (ClassC) |
| 2025-03-16 | 99.84.66.88 (ClassC) |
| 2025-07-14 | 18.65.229.3 (ClassC) |
| 2026-02-16 | 3.169.173.49 (ClassC) |
| Date | Domain | IP |
| virtual.fennia.fi | 2025-05-29 | 20.31.8.32 |
| fefi.aws.fennia.fi | 2024-09-23 | 3.163.24.82 |
| api.fefi.aws.fennia.fi | 2021-02-03 | 99.84.79.122 |
| analytics.fefi.aws.fennia.fi | 2025-04-06 | 3.67.60.16 |
| test2.fefitest.aws.fennia.fi | 2024-08-13 | 99.84.66.87 |
| api.test2.fefitest.aws.fennia.fi | 2022-03-10 | 108.159.227.100 |
| api.fefitest.aws.fennia.fi | 2023-10-20 | 204.246.191.53 |
| api.ofdev.aws.fennia.fi | 2025-04-27 | 18.195.156.131 |
| api.fefidev.aws.fennia.fi | 2025-04-26 | 204.246.191.62 |
| www.fennia.fi | 2023-11-02 | 3.163.24.5 |