| Date | IP Address |
| 2019-01-24 | 52.68.63.199 (ClassC) |
| 2019-01-24 | 52.192.181.141 (ClassC) |
| 2020-01-31 | 13.114.76.228 (ClassC) |
| 2020-01-31 | 52.194.134.9 (ClassC) |
| 2022-01-17 | 13.115.182.63 (ClassC) |
| 2022-01-17 | 54.65.19.89 (ClassC) |
| 2023-10-31 | 13.114.157.87 (ClassC) |
| 2023-12-30 | 54.65.156.166 (ClassC) |
| 2023-12-30 | 54.178.244.6 (ClassC) |
| 2024-08-30 | 52.195.51.73 (ClassC) |
| 2025-01-22 | 54.168.40.189 (ClassC) |
| 2025-05-27 | 52.196.241.171 (ClassC) |
| 2025-06-24 | 54.199.167.45 (ClassC) |
| 2025-08-24 | 35.72.233.144 (ClassC) |
| 2025-09-21 | 3.113.132.145 (ClassC) |
| 2025-11-06 | 57.183.76.254 (ClassC) |
| 2026-01-01 | 18.177.224.29 (ClassC) |
| 2026-02-13 | 52.69.57.151 (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 |