| Date | IP Address |
| 2021-04-04 | 54.230.202.58 (ClassC) |
| 2021-11-22 | 35.156.86.74 (ClassC) |
| 2024-08-13 | 204.246.191.9 (ClassC) |
| 2024-09-05 | 99.84.66.115 (ClassC) |
| 2024-10-04 | 18.238.238.36 (ClassC) |
| 2024-10-07 | 204.246.191.10 (ClassC) |
| 2024-10-14 | 18.238.238.104 (ClassC) |
| 2024-11-24 | 99.84.66.49 (ClassC) |
| 2025-07-22 | 99.84.66.97 (ClassC) |
| 2025-08-12 | 99.84.66.129 (ClassC) |
| 2025-10-15 | 3.169.173.123 (ClassC) |
| 2025-12-25 | 3.169.173.80 (ClassC) |
| 2026-02-01 | 3.169.173.120 (ClassC) |
| 2026-02-25 | 3.169.173.46 (ClassC) |
| Date | Domain | IP |
| www2.biff.de | 2024-11-24 | 99.84.66.115 |
| testumgebung.biff.de | 2024-11-24 | 18.238.238.26 |
| www.testumgebung.biff.de | 2024-11-25 | 18.238.238.39 |
| www.biff.de | 2024-08-13 | 204.246.191.9 |