| Date | IP Address |
| 2016-12-10 | 113.207.48.168 (ClassC) |
| 2023-07-20 | 172.67.168.89 (ClassC) |
| 2025-04-26 | 172.67.134.75 (ClassC) |
| 2026-02-20 | 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 |
| art.edu-hb.com | 2016-12-09 | 1.31.173.43 |