| Date | IP Address |
| 2022-08-30 | 223.247.108.36 (ClassC) |
| 2023-04-23 | 36.25.245.39 (ClassC) |
| 2023-04-23 | 36.25.245.43 (ClassC) |
| 2023-04-23 | 36.25.245.44 (ClassC) |
| 2024-06-08 | 175.6.29.181 (ClassC) |
| 2024-08-03 | 113.240.98.15 (ClassC) |
| 2024-08-21 | 120.226.156.194 (ClassC) |
| 2024-09-09 | 221.231.39.68 (ClassC) |
| 2025-02-23 | 221.231.39.69 (ClassC) |
| 2025-03-22 | 118.253.168.146 (ClassC) |
| 2025-05-01 | 118.253.168.217 (ClassC) |
| 2025-07-19 | 118.253.194.5 (ClassC) |
| 2025-07-25 | 1.194.194.84 (ClassC) |
| 2026-02-26 | 1.194.194.82 (ClassC) |
| Date | Domain | IP |
| static.fh21.com | 2025-08-02 | 1.194.194.83 |
| tongji.fh21.com | 2026-02-01 | 1.194.194.82 |
| m.fh21.com | 2025-07-30 | 113.142.207.141 |
| www.fh21.com | 2024-06-08 | 175.6.29.181 |