| Date | IP Address |
| 2022-07-14 | 18.160.225.90 (ClassC) |
| 2023-07-25 | 18.172.122.59 (ClassC) |
| 2023-08-11 | 3.161.188.70 (ClassC) |
| 2024-02-13 | 3.163.24.105 (ClassC) |
| 2024-06-07 | 18.165.53.128 (ClassC) |
| 2024-06-07 | 18.165.53.3 (ClassC) |
| 2025-02-01 | 3.163.24.77 (ClassC) |
| 2025-09-06 | 143.204.29.27 (ClassC) |
| 2025-09-11 | 3.163.24.58 (ClassC) |
| 2026-02-20 | 3.163.24.76 (ClassC) |
| Date | Domain | IP |
| www.cengage.uk | 2024-11-07 | 18.161.6.123 |