| Date | IP Address |
| 2024-07-02 | 104.18.42.144 (ClassC) |
| 2024-08-14 | 172.64.145.112 (ClassC) |
| 2025-01-10 | 172.64.146.72 (ClassC) |
| 2025-01-20 | 104.18.41.184 (ClassC) |
| 2025-02-25 | 104.18.26.43 (ClassC) |
| 2025-03-15 | 104.18.27.43 (ClassC) |
| 2026-01-30 | 199.64.172.62 (ClassC) |
| Date | Domain | IP |
| chempro.kcl.de | 2023-08-26 | 104.100.79.10 |
| www.kcl.de | 2024-12-14 | 104.18.27.43 |