| Date | IP Address |
| 2021-12-23 | 13.35.121.7 (ClassC) |
| 2023-10-18 | 3.163.24.33 (ClassC) |
| 2024-09-28 | 18.161.6.90 (ClassC) |
| 2024-10-05 | 18.161.6.57 (ClassC) |
| 2024-11-24 | 18.161.6.85 (ClassC) |
| 2025-03-08 | 99.84.66.93 (ClassC) |
| 2025-12-03 | 18.161.6.12 (ClassC) |
| Date | Domain | IP |
| unv.jwu.ac.jp | 2024-07-28 | 52.199.42.100 |
| www.jwu.ac.jp | 2023-10-18 | 3.163.24.33 |