| Date | IP Address |
| 2020-12-05 | 14.29.40.8 (ClassC) |
| 2024-09-17 | 155.159.221.228 (ClassC) |
| 2024-10-01 | 154.93.176.159 (ClassC) |
| 2025-01-15 | 45.194.200.31 (ClassC) |
| Date | Domain | IP |
| img.yezipi.kouyumao.com | 2024-12-22 | 45.194.200.31 |
| img.teacher.kouyumao.com | 2024-09-17 | 155.159.221.228 |