| Date | IP Address |
| 2021-03-11 | 58.216.15.243 (ClassC) |
| 2021-03-11 | 58.216.15.244 (ClassC) |
| 2024-07-24 | 61.170.80.231 (ClassC) |
| 2025-03-08 | 114.80.179.231 (ClassC) |
| 2025-03-21 | 114.80.179.229 (ClassC) |
| 2025-04-15 | 61.170.77.224 (ClassC) |
| 2025-04-22 | 61.170.80.221 (ClassC) |
| 2025-04-30 | 222.73.33.238 (ClassC) |
| 2025-05-07 | 180.163.147.217 (ClassC) |
| 2025-08-02 | 61.170.80.226 (ClassC) |
| Date | Domain | IP |
| apph5.xueersibook.com | 2025-04-10 | 61.170.81.214 |
| aliyun-source.xueersibook.com | 2024-02-08 | 163.181.66.108 |
| cdn.xueersibook.com | 2024-07-24 | 61.170.80.231 |