| Date | IP Address |
| 2023-08-04 | 142.251.211.243 (ClassC) |
| 2025-01-03 | 142.250.217.115 (ClassC) |
| 2025-02-06 | 142.250.217.83 (ClassC) |
| 2025-05-25 | 172.217.14.243 (ClassC) |
| 2026-02-03 | 172.253.117.121 (ClassC) |
| Date | Domain | IP |
| 1-12-0.api.zef.fi | 2024-10-27 | 142.251.33.83 |
| 1-15-0.api.zef.fi | 2024-07-25 | 142.250.217.83 |