| Date | IP Address |
| 2020-09-10 | 13.225.207.61 (ClassC) |
| 2020-09-10 | 13.225.207.79 (ClassC) |
| 2021-08-19 | 13.225.34.11 (ClassC) |
| 2022-05-10 | 65.8.57.126 (ClassC) |
| 2022-05-11 | 65.8.57.87 (ClassC) |
| 2023-11-02 | 3.163.24.31 (ClassC) |
| 2024-04-23 | 3.163.24.63 (ClassC) |
| 2024-05-10 | 99.84.66.56 (ClassC) |
| 2024-11-10 | 99.84.66.32 (ClassC) |
| 2024-12-09 | 99.86.38.124 (ClassC) |
| 2025-01-17 | 99.84.66.35 (ClassC) |
| 2026-03-08 | 3.169.173.85 (ClassC) |
| Date | Domain | IP |
| dev.ssf.or.jp | 2025-05-26 | 108.138.94.30 |
| www.ssf.or.jp | 2023-11-01 | 3.163.24.31 |