| Date | IP Address |
| 2019-08-30 | 188.94.254.132 (ClassC) |
| 2024-10-22 | 188.94.254.104 (ClassC) |
| 2025-06-05 | 199.59.243.228 (ClassC) |
| 2026-02-07 | 162.55.40.124 (ClassC) |
| Date | Domain | IP |
| verwaltung.fobis.de | 2024-10-22 | 188.94.254.104 |
| schuelerplattform.fobis.de | 2024-10-28 | 188.94.254.104 |
| www.fobis.de | 2024-09-30 | 188.94.254.104 |