| Date | IP Address |
| 2020-09-17 | 99.84.251.110 (ClassC) |
| 2020-11-04 | 52.85.224.109 (ClassC) |
| 2020-11-04 | 52.85.224.113 (ClassC) |
| 2020-11-04 | 52.85.224.58 (ClassC) |
| 2024-01-07 | 204.246.191.81 (ClassC) |
| 2024-06-16 | 204.246.191.22 (ClassC) |
| 2024-07-05 | 3.163.24.21 (ClassC) |
| 2024-08-29 | 3.163.24.63 (ClassC) |
| 2025-01-12 | 204.246.191.6 (ClassC) |
| Date | Domain | IP |
| api.jinsei100nen.mizuhobank.co.jp | 2024-07-14 | 99.84.66.22 |
| api.dev.jinsei100nen.mizuhobank.co.jp | 2024-01-07 | 204.246.191.81 |