| Date | IP Address |
| 2021-12-07 | 99.84.173.102 (ClassC) |
| 2023-08-23 | 204.246.191.12 (ClassC) |
| 2023-08-26 | 204.246.191.72 (ClassC) |
| 2023-11-16 | 99.84.66.111 (ClassC) |
| 2024-07-02 | 99.84.66.67 (ClassC) |
| 2024-10-06 | 3.163.189.108 (ClassC) |
| 2024-11-25 | 99.84.66.82 (ClassC) |
| 2024-12-12 | 3.163.189.13 (ClassC) |
| 2024-12-24 | 99.84.66.88 (ClassC) |
| Date | Domain | IP |
| prod.fc-koeln.de | 2024-12-12 | 81.173.209.166 |
| fc-mitgliedschaft.fc-koeln.de | 2024-12-01 | 108.138.94.7 |
| www.fc-koeln.de | 2024-11-25 | 3.163.189.69 |