| Date | IP Address |
| 2024-07-11 | 219.101.195.11 (ClassC) |
| 2026-02-15 | 210.149.129.75 (ClassC) |
| Date | Domain | IP |
| cws1.beisia.co.jp | 2025-06-02 | 35.75.122.179 |
| ntint1.beisia.co.jp | 2024-07-11 | 219.101.195.11 |
| map.beisia.co.jp | 2024-05-25 | 99.84.66.116 |
| www.beisia.co.jp | 2023-08-18 | 3.163.24.15 |