| Date | IP Address |
| 2014-11-12 | 141.0.17.213 (ClassC) |
| 2019-08-29 | 134.119.244.57 (ClassC) |
| 2024-12-28 | 5.44.111.109 (ClassC) |
| 2025-08-05 | 81.169.145.94 (ClassC) |
| Date | Domain | IP |
| drupal6.cefe.net | 2025-02-20 | 5.44.111.109 |
| idea.cefe.net | 2024-10-31 | 5.44.111.109 |
| www.cefe.net | 2024-09-15 | 5.44.111.109 |