| Date | IP Address |
| 2025-01-08 | 194.77.250.240 (ClassC) |
| Date | Domain | IP |
| dez46.bezreg-duesseldorf.nrw.de | 2024-12-05 | 194.77.250.240 |
| www.lehrerfortbildung.bezreg-duesseldorf.nrw.de | 2025-01-08 | 93.184.132.157 |
| www.osipiii.bezreg-duesseldorf.nrw.de | 2024-12-05 | 93.184.130.210 |
| dez46-api.bezreg-duesseldorf.nrw.de | 2024-12-05 | 194.77.237.35 |
| bbb-externapi.bezreg-duesseldorf.nrw.de | 2025-01-08 | 194.77.250.240 |
| bbb-extern.bezreg-duesseldorf.nrw.de | 2024-12-05 | 194.77.250.240 |