| Date | IP Address |
| 2022-06-24 | 61.161.9.120 (ClassC) |
| 2022-06-24 | 116.136.236.190 (ClassC) |
| 2022-06-24 | 116.136.236.244 (ClassC) |
| 2022-06-24 | 116.169.51.229 (ClassC) |
| 2024-07-27 | 58.57.102.35 (ClassC) |
| 2024-10-03 | 123.235.31.35 (ClassC) |
| 2025-03-23 | 125.74.42.35 (ClassC) |
| 2025-03-27 | 175.4.51.35 (ClassC) |
| 2025-04-10 | 123.244.94.35 (ClassC) |
| 2025-06-23 | 61.170.99.35 (ClassC) |
| 2025-07-08 | 111.225.213.35 (ClassC) |
| Date | Domain | IP |
| resource.english.yixuecup.com | 2024-01-14 | 182.106.158.35 |
| 111ettbl.yixuecup.com | 2024-09-13 | 218.12.76.169 |
| 211ettbl.yixuecup.com | 2024-10-03 | 218.12.76.169 |
| 121ettbl.yixuecup.com | 2025-02-26 | 218.12.76.165 |
| 221ettbl.yixuecup.com | 2024-06-30 | 120.52.95.239 |
| 131ettbl.yixuecup.com | 2024-09-20 | 218.12.76.169 |
| 231ettbl.yixuecup.com | 2024-09-20 | 218.12.76.169 |
| resource.cloudplatform.yixuecup.com | 2024-07-27 | 58.57.102.35 |