| Date | IP Address |
| 2023-08-12 | 3.121.2.211 (ClassC) |
| 2024-05-18 | 3.122.208.136 (ClassC) |
| 2024-10-05 | 52.58.89.189 (ClassC) |
| 2024-10-18 | 52.28.74.171 (ClassC) |
| 2024-11-25 | 52.57.107.102 (ClassC) |
| 2024-12-20 | 18.196.105.110 (ClassC) |
| 2024-12-23 | 3.120.218.126 (ClassC) |
| 2025-01-03 | 3.120.161.205 (ClassC) |
| 2025-01-06 | 52.28.149.202 (ClassC) |
| 2025-01-25 | 3.124.225.199 (ClassC) |
| Date | Domain | IP |
| www.yfu-intranet.de | 2024-10-18 | 3.123.78.67 |