| Date | IP Address |
| 2024-04-14 | 43.200.106.252 (ClassC) |
| 2024-09-20 | 54.180.46.177 (ClassC) |
| 2024-11-24 | 54.180.59.80 (ClassC) |
| 2024-12-29 | 3.39.46.44 (ClassC) |
| 2025-01-29 | 52.78.39.167 (ClassC) |
| 2025-03-02 | 43.202.142.177 (ClassC) |
| 2025-04-29 | 43.201.239.5 (ClassC) |
| 2025-08-02 | 3.37.91.91 (ClassC) |
| 2026-03-05 | 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 |