| Date | IP Address |
| 2020-05-11 | 13.225.239.16 (ClassC) |
| 2020-05-16 | 54.230.29.27 (ClassC) |
| 2020-05-16 | 54.230.29.94 (ClassC) |
| 2020-06-13 | 92.51.157.214 (ClassC) |
| 2021-02-18 | 52.85.86.38 (ClassC) |
| 2021-05-22 | 13.249.118.114 (ClassC) |
| 2021-05-22 | 13.249.118.53 (ClassC) |
| 2021-05-22 | 13.249.118.6 (ClassC) |
| 2023-09-08 | 108.157.162.57 (ClassC) |
| 2023-11-16 | 18.160.60.83 (ClassC) |
| 2023-11-16 | 18.160.60.94 (ClassC) |
| 2024-08-20 | 3.166.181.109 (ClassC) |
| 2024-10-19 | 204.246.191.22 (ClassC) |
| 2024-10-21 | 13.225.205.29 (ClassC) |
| 2024-12-23 | 204.246.191.104 (ClassC) |
| 2025-01-24 | 13.224.14.16 (ClassC) |
| 2025-03-15 | 13.224.14.12 (ClassC) |
| 2025-06-16 | 13.224.14.78 (ClassC) |
| 2025-07-11 | 204.246.191.79 (ClassC) |
| 2025-09-14 | 204.246.191.57 (ClassC) |
| 2026-02-16 | 18.161.6.121 (ClassC) |
| 2026-02-24 | 18.161.6.83 (ClassC) |
| Date | Domain | IP |
| sso.didacta-cologne.com | 2026-01-30 | 3.169.173.15 |
| www.didacta-cologne.com | 2025-01-26 | 13.224.14.78 |