| Date | IP Address |
| 2017-04-25 | 183.111.157.68 (ClassC) |
| 2023-08-06 | 54.169.28.110 (ClassC) |
| 2023-08-27 | 175.41.183.102 (ClassC) |
| 2024-07-24 | 180.163.28.105 (ClassC) |
| 2024-08-10 | 140.207.177.207 (ClassC) |
| 2025-01-14 | 103.143.19.17 (ClassC) |
| Date | Domain | IP |
| img.cls.cn | 2024-08-10 | 27.185.201.167 |
| cdnjs.cls.cn | 2023-12-17 | 222.73.33.244 |
| www.cls.cn | 2024-11-19 | 103.143.19.17 |