| Date | IP Address |
| 2019-04-05 | 172.226.77.128 (ClassC) |
| 2019-11-04 | 104.65.39.162 (ClassC) |
| 2021-10-04 | 104.18.6.132 (ClassC) |
| 2024-08-20 | 104.18.32.210 (ClassC) |
| 2025-01-08 | 104.18.17.97 (ClassC) |
| 2025-11-21 | 104.18.16.97 (ClassC) |
| Date | Domain | IP |
| portal.efax.es | 2025-05-16 | 104.18.17.97 |
| www.efax.es | 2024-08-20 | 104.18.32.210 |