| Date | IP Address |
| 2014-10-03 | 119.28.3.214 (ClassC) |
| 2023-08-27 | 172.67.168.89 (ClassC) |
| 2024-02-17 | 104.21.78.188 (ClassC) |
| 2025-01-30 | 172.67.134.75 (ClassC) |
| 2025-04-02 | 104.21.25.141 (ClassC) |
| Date | Domain | IP |
| gkcf.edu-hb.com | 2023-07-20 | 172.67.168.89 |
| gaoxiao.edu-hb.com | 2023-07-20 | 172.67.168.89 |