| Date | IP Address |
| 2023-08-26 | 104.16.78.72 (ClassC) |
| 2024-08-11 | 104.16.77.72 (ClassC) |
| 2025-10-29 | 104.18.11.139 (ClassC) |
| 2026-02-24 | 104.18.10.139 (ClassC) |
| Date | Domain | IP |
| bc.ef-slovakia.sk | 2024-07-17 | 18.161.6.49 |
| www.ef-slovakia.sk | 2014-07-11 | 165.254.29.248 |