| Date | IP Address |
| 2024-11-13 | 57.181.91.237 (ClassC) |
| 2025-08-18 | 3.115.162.156 (ClassC) |
| 2025-09-19 | 52.193.238.51 (ClassC) |
| 2026-02-21 | 35.77.154.50 (ClassC) |
| Date | Domain | IP |
| douga.yumenavi.info.fptest.jp | 2024-11-13 | 57.181.91.237 |
| highschool.yumenavi.info.fptest.jp | 2024-11-13 | 54.65.59.183 |
| admin.yumenavi.info.fptest.jp | 2024-11-13 | 54.65.59.183 |
| my.yumenavi.info.fptest.jp | 2024-11-13 | 57.181.91.237 |