| Date | IP Address |
| 2024-07-17 | 3.162.125.112 (ClassC) |
| 2025-03-09 | 18.67.39.38 (ClassC) |
| 2025-04-09 | 13.249.21.67 (ClassC) |
| 2025-04-09 | 13.249.21.93 (ClassC) |
| 2025-07-06 | 99.84.66.49 (ClassC) |
| 2025-08-18 | 99.84.66.59 (ClassC) |
| 2026-02-08 | 3.163.24.90 (ClassC) |
| Date | Domain | IP |
| execution-ci360.hokkaidobank.co.jp | 2025-07-06 | 99.84.66.49 |
| delivery-ci360.hokkaidobank.co.jp | 2025-08-30 | 52.68.54.148 |
| www.hokkaidobank.co.jp | 2023-11-01 | 3.115.202.106 |