| Date | IP Address |
| 2019-03-14 | 13.112.148.214 (ClassC) |
| 2025-01-09 | 76.76.21.21 (ClassC) |
| Date | Domain | IP |
| job.nurse-senka.jp | 2024-05-31 | 3.163.24.88 |
| api-common-pane.nurse-senka.jp | 2024-03-01 | 18.155.202.118 |
| medical-term.nurse-senka.jp | 2024-04-10 | 43.206.203.102 |
| account-admin.nurse-senka.jp | 2024-10-13 | 3.163.158.108 |
| workplace-reputation.nurse-senka.jp | 2025-01-05 | 3.165.160.79 |
| cdn-nurse-senka-assets.nurse-senka.jp | 2024-03-02 | 204.246.191.21 |
| cdn-knowledge-assets.nurse-senka.jp | 2024-08-22 | 18.161.6.96 |
| cdn-square-assets.nurse-senka.jp | 2024-06-30 | 204.246.191.89 |
| recruit.nurse-senka.jp | 2024-03-14 | 99.84.66.126 |