| Date | IP Address |
| 2022-07-16 | 23.59.177.210 (ClassC) |
| 2022-10-27 | 184.26.95.50 (ClassC) |
| 2022-10-27 | 23.206.121.199 (ClassC) |
| 2023-03-08 | 23.195.73.24 (ClassC) |
| 2023-03-08 | 23.195.73.42 (ClassC) |
| 2023-03-08 | 23.195.73.8 (ClassC) |
| 2023-06-15 | 23.48.12.32 (ClassC) |
| 2024-12-14 | 23.209.92.107 (ClassC) |
| 2025-03-16 | 173.222.249.115 (ClassC) |
| 2025-04-05 | 23.202.47.11 (ClassC) |
| 2025-04-10 | 23.41.4.84 (ClassC) |
| 2025-08-10 | 23.193.200.70 (ClassC) |
| 2025-09-06 | 23.41.4.71 (ClassC) |
| 2026-01-29 | 23.41.4.69 (ClassC) |
| Date | Domain | IP |
| ib.chibabank.co.jp | 2025-09-06 | 23.41.4.87 |
| id.chibabank.co.jp | 2024-10-14 | 23.54.19.25 |
| service.chibabank.co.jp | 2025-04-05 | 23.202.47.11 |
| form.chibabank.co.jp | 2023-08-25 | 23.74.157.125 |
| loan.chibabank.co.jp | 2023-08-25 | 104.86.245.178 |
| business.chibabank.co.jp | 2025-09-19 | 23.41.4.69 |
| net.chibabank.co.jp | 2023-08-25 | 96.6.233.19 |
| vdebit.chibabank.co.jp | 2025-12-20 | 150.48.6.179 |
| ib-test.chibabank.co.jp | 2025-12-20 | 23.41.4.74 |
| id-test.chibabank.co.jp | 2025-12-09 | 23.41.4.72 |
| service-test.chibabank.co.jp | 2024-08-26 | 23.192.230.86 |
| business-test.chibabank.co.jp | 2024-08-12 | 104.96.163.138 |
| id-dev.chibabank.co.jp | 2025-01-17 | 23.59.88.198 |
| business-dev.chibabank.co.jp | 2025-10-30 | 23.41.4.88 |
| www.chibabank.co.jp | 2023-11-02 | 104.104.8.203 |