| Date | IP Address |
| 2021-04-08 | 54.230.162.44 (ClassC) |
| 2021-04-08 | 54.230.162.5 (ClassC) |
| 2021-08-14 | 52.85.61.76 (ClassC) |
| 2023-11-01 | 3.163.24.31 (ClassC) |
| 2024-07-20 | 99.84.66.35 (ClassC) |
| 2024-11-11 | 99.84.66.56 (ClassC) |
| 2025-02-08 | 99.86.38.124 (ClassC) |
| 2025-06-16 | 3.163.158.9 (ClassC) |
| 2025-07-19 | 99.84.66.100 (ClassC) |
| 2025-07-27 | 99.84.66.32 (ClassC) |
| 2025-10-09 | 3.169.173.24 (ClassC) |
| 2025-11-13 | 3.169.173.85 (ClassC) |
| 2026-02-23 | 3.163.24.95 (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 |