| Date | IP Address |
| 2023-08-27 | 3.39.26.178 (ClassC) |
| 2023-10-13 | 15.165.72.15 (ClassC) |
| 2023-11-01 | 3.34.109.21 (ClassC) |
| 2024-02-20 | 43.202.167.250 (ClassC) |
| 2024-03-21 | 3.35.179.18 (ClassC) |
| 2024-05-13 | 15.165.187.193 (ClassC) |
| 2024-08-13 | 43.202.28.48 (ClassC) |
| 2024-08-21 | 3.34.249.144 (ClassC) |
| 2024-09-01 | 3.39.74.183 (ClassC) |
| 2024-09-15 | 43.203.41.64 (ClassC) |
| 2024-10-02 | 54.180.166.92 (ClassC) |
| 2024-10-18 | 43.201.128.23 (ClassC) |
| 2024-11-01 | 3.37.178.45 (ClassC) |
| 2024-11-11 | 3.34.211.71 (ClassC) |
| 2024-12-12 | 13.209.187.142 (ClassC) |
| 2024-12-25 | 3.37.177.67 (ClassC) |
| 2025-01-05 | 3.36.239.239 (ClassC) |
| 2025-01-12 | 13.124.11.8 (ClassC) |
| 2025-01-25 | 3.37.68.12 (ClassC) |
| 2025-02-15 | 52.78.41.154 (ClassC) |
| 2025-02-26 | 3.39.203.66 (ClassC) |
| 2025-06-18 | 43.202.185.115 (ClassC) |
| 2025-06-29 | 3.37.37.70 (ClassC) |
| 2025-09-22 | 13.124.109.148 (ClassC) |
| 2026-01-13 | 43.203.24.209 (ClassC) |
| 2026-02-01 | 3.35.87.236 (ClassC) |
| Date | Domain | IP |
| app.fcseoul.com | 2024-11-13 | 3.163.24.24 |
| files.fcseoul.com | 2024-08-08 | 3.163.24.100 |
| www.fcseoul.com | 2023-11-01 | 3.34.109.21 |