| Date | IP Address |
| 2024-10-27 | 52.68.228.21 (ClassC) |
| 2026-02-02 | 57.182.170.131 (ClassC) |
| Date | Domain | IP |
| image.smcmail.saishunkan.co.jp | 2024-09-21 | 184.25.230.137 |
| fukkou-kumamoto.saishunkan.co.jp | 2025-08-17 | 18.182.78.85 |
| popup.saishunkan.co.jp | 2026-02-02 | 57.182.170.131 |
| www.saishunkan.co.jp | 2025-08-24 | 45.223.161.82 |