| Date | IP Address |
| 2023-11-01 | 18.134.49.148 (ClassC) |
| 2024-05-05 | 18.170.11.148 (ClassC) |
| 2024-07-10 | 52.56.124.196 (ClassC) |
| 2024-09-23 | 3.11.197.104 (ClassC) |
| 2025-01-01 | 18.175.20.210 (ClassC) |
| 2025-02-05 | 18.175.102.195 (ClassC) |
| Date | Domain | IP |
| www.hotcourses.kr | 2023-11-01 | 13.41.134.67 |