| Date | IP Address |
| 2025-05-04 | 104.18.39.214 (ClassC) |
| 2025-08-03 | 172.64.148.42 (ClassC) |
| 2026-01-04 | 104.18.33.178 (ClassC) |
| Date | Domain | IP |
| awsdynuat.hcch.com | 2024-06-11 | 104.18.33.178 |
| hcmuatnew.hcch.com | 2025-05-04 | 104.18.39.214 |
| www.hcch.com | 2024-10-05 | 75.2.43.150 |