| Date | IP Address |
| 2019-03-15 | 133.13.7.98 (ClassC) |
| 2019-12-04 | 133.13.7.96 (ClassC) |
| 2020-03-08 | 133.167.7.4 (ClassC) |
| 2020-03-09 | 133.167.7.3 (ClassC) |
| 2020-03-10 | 153.121.1.6 (ClassC) |
| 2020-03-10 | 133.167.7.5 (ClassC) |
| 2020-03-10 | 153.121.1.5 (ClassC) |
| 2020-03-10 | 133.167.7.2 (ClassC) |
| 2020-03-15 | 153.121.1.2 (ClassC) |
| 2020-03-15 | 153.121.1.4 (ClassC) |
| 2020-03-15 | 133.167.7.6 (ClassC) |
| 2020-03-24 | 153.121.1.1 (ClassC) |
| 2023-08-10 | 133.167.25.4 (ClassC) |
| 2024-12-06 | 133.167.25.3 (ClassC) |
| 2025-01-13 | 153.121.2.2 (ClassC) |
| 2025-02-04 | 153.121.2.3 (ClassC) |
| 2025-05-09 | 133.167.25.1 (ClassC) |
| 2025-06-19 | 153.121.1.3 (ClassC) |
| 2025-06-25 | 133.167.25.2 (ClassC) |
| 2025-07-21 | 153.121.2.1 (ClassC) |
| 2025-08-15 | 133.167.7.1 (ClassC) |
| 2025-09-28 | 133.167.6.1 (ClassC) |
| Date | Domain | IP |
| www.u-ryukyu.ac.jp | 2024-12-06 | 133.167.25.3 |