| Date | IP Address |
| 2021-12-07 | 52.85.131.39 (ClassC) |
| 2021-12-07 | 52.85.131.62 (ClassC) |
| 2022-01-27 | 13.226.9.125 (ClassC) |
| 2023-09-21 | 108.138.85.67 (ClassC) |
| 2024-12-19 | 108.138.167.53 (ClassC) |
| 2025-04-22 | 18.65.229.27 (ClassC) |
| 2025-07-22 | 99.84.66.126 (ClassC) |
| 2025-09-21 | 99.84.66.113 (ClassC) |
| 2025-10-11 | 18.161.6.106 (ClassC) |
| 2025-10-19 | 18.161.6.18 (ClassC) |
| 2025-12-23 | 13.33.252.127 (ClassC) |
| 2026-02-28 | 3.169.173.120 (ClassC) |
| 2026-03-07 | 18.161.6.46 (ClassC) |
| Date | Domain | IP |
| dev02.nihon-ma.co.jp | 2025-03-08 | 108.138.94.117 |
| stg.nihon-ma.co.jp | 2024-08-08 | 3.163.24.95 |
| cms-resources.nihon-ma.co.jp | 2025-04-22 | 18.65.229.27 |
| www.nihon-ma.co.jp | 2024-11-12 | 52.84.162.24 |