| Date | IP Address |
| 2016-08-16 | 74.125.193.214 (ClassC) |
| 2016-08-27 | 64.233.182.214 (ClassC) |
| 2024-11-07 | 216.239.38.21 (ClassC) |
| 2025-01-23 | 216.239.32.21 (ClassC) |
| 2025-04-04 | 216.239.36.21 (ClassC) |
| 2026-02-13 | 216.239.34.21 (ClassC) |
| Date | Domain | IP |
| www.hceng.kr | 2025-04-04 | 142.250.217.115 |