| Date | IP Address |
| 2024-04-13 | 3.34.108.166 (ClassC) |
| 2024-05-05 | 43.202.38.17 (ClassC) |
| 2024-05-13 | 13.209.240.165 (ClassC) |
| 2024-07-11 | 52.79.159.250 (ClassC) |
| 2024-09-22 | 3.39.216.67 (ClassC) |
| 2025-01-16 | 3.39.46.44 (ClassC) |
| 2025-03-01 | 3.35.60.122 (ClassC) |
| 2025-03-19 | 52.79.222.176 (ClassC) |
| 2025-05-02 | 3.38.29.172 (ClassC) |
| 2025-07-02 | 3.39.78.45 (ClassC) |
| 2025-08-27 | 15.165.240.89 (ClassC) |
| 2025-09-22 | 3.34.108.223 (ClassC) |
| 2026-02-16 | 13.209.170.179 (ClassC) |
| Date | Domain | IP |
| hitapp.fmschool.co.kr | 2025-07-29 | 13.124.158.82 |
| event.fmschool.co.kr | 2024-04-13 | 43.200.106.252 |
| dev.fmschool.co.kr | 2025-09-14 | 13.125.72.234 |
| www.fmschool.co.kr | 2024-04-14 | 43.200.106.252 |