| Date | IP Address |
| 2018-12-04 | 99.84.240.142 (ClassC) |
| 2018-12-04 | 99.84.240.162 (ClassC) |
| 2018-12-04 | 99.84.240.87 (ClassC) |
| 2018-12-04 | 99.84.240.100 (ClassC) |
| 2020-10-08 | 143.204.151.89 (ClassC) |
| 2020-10-08 | 13.249.93.15 (ClassC) |
| 2020-10-08 | 13.249.93.38 (ClassC) |
| 2020-10-08 | 143.204.151.122 (ClassC) |
| 2021-09-10 | 52.85.224.65 (ClassC) |
| 2021-09-10 | 52.85.224.9 (ClassC) |
| 2024-06-22 | 204.246.191.100 (ClassC) |
| 2024-07-29 | 204.246.191.63 (ClassC) |
| 2024-10-18 | 18.238.238.24 (ClassC) |
| 2025-03-09 | 204.246.191.112 (ClassC) |
| 2025-04-26 | 204.246.191.69 (ClassC) |
| 2025-07-01 | 99.84.66.91 (ClassC) |
| 2025-11-28 | 3.169.173.121 (ClassC) |
| Date | Domain | IP |
| static.ichimura.ed.jp | 2024-09-09 | 18.161.6.71 |
| archive.ichimura.ed.jp | 2024-08-01 | 99.84.66.20 |
| applying.ichimura.ed.jp | 2024-02-08 | 18.176.80.138 |
| asset-applying.ichimura.ed.jp | 2024-06-22 | 204.246.191.100 |
| asset.ichimura.ed.jp | 2021-05-06 | 65.8.49.103 |
| www.ichimura.ed.jp | 2024-02-18 | 52.9.166.110 |