| Date | IP Address |
| 2022-11-16 | 3.114.148.63 (ClassC) |
| 2024-05-30 | 57.180.162.132 (ClassC) |
| 2025-08-22 | 52.197.130.142 (ClassC) |
| 2025-08-25 | 18.178.141.176 (ClassC) |
| 2025-09-18 | 35.76.4.224 (ClassC) |
| 2025-10-08 | 35.76.58.40 (ClassC) |
| 2025-11-26 | 54.178.213.150 (ClassC) |
| Date | Domain | IP |
| seeds.office.hiroshima-u.ac.jp | 2025-08-22 | 52.197.130.142 |
| commu.office.hiroshima-u.ac.jp | 2024-07-28 | 54.64.152.87 |
| bb9.vle.hiroshima-u.ac.jp | 2024-09-19 | 54.250.174.222 |
| home.hiroshima-u.ac.jp | 2025-06-02 | 13.107.253.70 |
| test.hirakupf.hiroshima-u.ac.jp | 2025-10-07 | 35.79.213.21 |
| sci.hiroshima-u.ac.jp | 2014-04-26 | 133.41.16.116 |
| testmomiji20web.momiji.hiroshima-u.ac.jp | 2025-09-07 | 20.44.128.30 |
| www.guidebook.hiroshima-u.ac.jp | 2024-04-14 | 3.115.25.7 |
| ckmail.hiroshima-u.ac.jp | 2014-04-26 | 133.41.15.22 |
| digital-museum.hiroshima-u.ac.jp | 2025-06-26 | 204.246.191.77 |
| www.uiwesanalysis.hiroshima-u.ac.jp | 2023-10-31 | 13.114.157.87 |
| www.hiroshima-u.ac.jp | 2024-11-12 | 146.75.42.132 |