| Date | IP Address |
| 2014-01-29 | 211.172.241.156 (ClassC) |
| 2023-06-21 | 43.201.185.150 (ClassC) |
| 2024-11-04 | 15.164.77.9 (ClassC) |
| 2024-12-24 | 43.200.32.193 (ClassC) |
| 2025-01-09 | 3.39.88.21 (ClassC) |
| 2025-01-19 | 43.202.91.19 (ClassC) |
| 2025-02-02 | 52.79.137.143 (ClassC) |
| 2025-02-18 | 13.209.244.153 (ClassC) |
| 2025-02-21 | 3.36.146.157 (ClassC) |
| 2025-07-28 | 54.180.40.61 (ClassC) |
| 2025-08-04 | 3.37.108.47 (ClassC) |
| 2025-08-09 | 43.202.82.140 (ClassC) |
| 2025-08-21 | 3.39.123.215 (ClassC) |
| 2025-09-07 | 43.203.90.113 (ClassC) |
| 2026-02-17 | 3.39.173.55 (ClassC) |
| Date | Domain | IP |
| www.iyf.or.kr | 2024-12-24 | 43.200.32.193 |