| Date | IP Address |
| 2023-08-27 | 210.154.149.197 (ClassC) |
| 2024-11-21 | 99.86.38.33 (ClassC) |
| 2025-01-20 | 99.86.38.73 (ClassC) |
| 2025-02-03 | 3.163.24.66 (ClassC) |
| 2025-04-24 | 3.163.24.83 (ClassC) |
| 2025-04-30 | 3.163.24.43 (ClassC) |
| 2025-07-11 | 3.163.24.93 (ClassC) |
| 2025-08-26 | 3.171.61.64 (ClassC) |
| 2026-03-03 | 3.169.173.89 (ClassC) |
| 2026-03-06 | 3.169.173.124 (ClassC) |
| Date | Domain | IP |
| www.mynavi-ms.jp | 2024-09-28 | 3.163.24.43 |