| Date | IP Address |
| 2021-07-18 | 34.252.14.142 (ClassC) |
| 2021-08-25 | 52.210.116.183 (ClassC) |
| 2022-07-01 | 52.51.91.51 (ClassC) |
| 2024-05-21 | 52.208.210.17 (ClassC) |
| 2025-04-26 | 52.215.178.30 (ClassC) |
| 2025-05-16 | 52.208.61.231 (ClassC) |
| 2025-08-17 | 52.211.158.193 (ClassC) |
| 2025-10-24 | 3.248.143.79 (ClassC) |
| 2025-11-22 | 52.17.177.57 (ClassC) |
| Date | Domain | IP |
| vocabularypreview-engpro.wfp.cupeng.org | 2024-10-05 | 34.250.186.57 |
| assets.bop.cupeng.org | 2024-05-21 | 52.208.210.17 |