| Date | IP Address |
| 2020-04-09 | 122.227.189.106 (ClassC) |
| 2021-03-11 | 119.188.76.96 (ClassC) |
| 2021-03-11 | 60.163.132.210 (ClassC) |
| 2021-03-11 | 119.188.76.98 (ClassC) |
| 2021-03-11 | 61.160.199.224 (ClassC) |
| 2025-10-06 | 156.232.214.107 (ClassC) |
| 2026-01-05 | 154.84.74.70 (ClassC) |
| 2026-02-12 | 103.21.88.66 (ClassC) |
| Date | Domain | IP |
| book.51hcie.com | 2026-02-06 | 103.21.88.66 |
| cdn.51hcie.com | 2026-02-08 | 103.21.88.66 |