| Date | IP Address |
| 2017-02-11 | 54.231.133.234 (ClassC) |
| 2017-02-18 | 54.231.133.34 (ClassC) |
| 2017-02-24 | 54.231.142.4 (ClassC) |
| 2017-03-02 | 54.231.133.2 (ClassC) |
| 2017-03-18 | 54.231.141.162 (ClassC) |
| 2017-03-19 | 54.231.130.170 (ClassC) |
| 2017-04-06 | 54.231.133.202 (ClassC) |
| 2017-04-25 | 54.231.130.106 (ClassC) |
| 2026-01-04 | 91.188.73.125 (ClassC) |
| Date | Domain | IP |
| sso.enpc-center.fr | 2025-09-12 | 91.188.73.124 |
| www.enpc-center.fr | 2025-09-12 | 91.188.73.125 |