| Date | IP Address |
| 2023-12-09 | 52.197.170.153 (ClassC) |
| 2024-06-02 | 54.178.42.77 (ClassC) |
| 2024-08-19 | 52.194.42.192 (ClassC) |
| 2024-08-31 | 35.78.32.102 (ClassC) |
| 2024-12-21 | 52.69.80.213 (ClassC) |
| 2024-12-29 | 35.75.106.36 (ClassC) |
| 2025-04-22 | 35.73.237.71 (ClassC) |
| 2026-02-09 | 35.73.199.37 (ClassC) |
| Date | Domain | IP |
| www.fct.co.jp | 2023-11-01 | 57.180.159.195 |
| fmsound.netwww.fct.co.jp | 2024-06-02 | 54.178.42.77 |