| Date | IP Address |
| 2026-02-10 | 210.149.143.232 (ClassC) |
| Date | Domain | IP |
| school-api.nihonvogue.co.jp | 2025-09-07 | 3.113.86.110 |
| book.nihonvogue.co.jp | 2026-02-10 | 210.149.143.232 |
| school.nihonvogue.co.jp | 2025-09-08 | 3.113.86.110 |
| room.nihonvogue.co.jp | 2024-08-20 | 52.219.136.6 |
| www.nihonvogue.co.jp | 2026-02-10 | 54.250.180.21 |