| Date | IP Address |
| 2014-06-24 | 141.88.222.155 (ClassC) |
| 2024-09-22 | 13.81.220.7 (ClassC) |
| 2024-10-24 | 20.79.85.147 (ClassC) |
| 2025-01-15 | 45.135.244.87 (ClassC) |
| Date | Domain | IP |
| vpn1.dihk.de | 2024-04-21 | 51.116.184.43 |
| vpn2.dihk.de | 2024-04-21 | 20.52.4.78 |
| vpn3.dihk.de | 2024-08-21 | 20.52.187.153 |
| vpn.dihk.de | 2024-04-21 | 20.52.195.152 |
| cloudconnect.dihk.de | 2024-11-25 | 20.218.180.21 |
| www.dihk.de | 2024-04-21 | 13.81.220.7 |