| Date | IP Address |
| 2023-02-25 | 52.49.16.98 (ClassC) |
| 2024-11-24 | 18.192.33.107 (ClassC) |
| 2025-02-07 | 3.124.60.138 (ClassC) |
| 2025-02-21 | 52.57.230.242 (ClassC) |
| 2025-05-08 | 63.34.55.28 (ClassC) |
| 2025-06-28 | 54.72.41.104 (ClassC) |
| 2025-07-04 | 52.28.210.44 (ClassC) |
| 2025-08-02 | 52.212.161.40 (ClassC) |
| Date | Domain | IP |
| staging.cotton.kluwer.nl | 2024-11-25 | 44.210.173.99 |