| Date | IP Address |
| 2024-08-16 | 18.182.203.244 (ClassC) |
| 2025-09-08 | 18.177.2.118 (ClassC) |
| 2025-11-19 | 52.68.11.113 (ClassC) |
| Date | Domain | IP |
| www.online-system.jasso.go.jp | 2024-05-13 | 35.73.36.212 |
| dairihenkan.jasso.go.jp | 2025-03-09 | 99.84.66.15 |
| docu.jasso.go.jp | 2025-01-20 | 101.102.235.71 |
| dev-kyoteiryugaku.jasso.go.jp | 2025-02-25 | 99.86.38.46 |
| st-eju-online3.dev.jasso.go.jp | 2025-09-07 | 18.177.2.118 |
| st-eju-shokai3.dev.jasso.go.jp | 2025-08-07 | 54.150.216.143 |
| st-eju-kessai3.dev.jasso.go.jp | 2025-09-08 | 18.177.2.118 |