| Date | IP Address |
| 2016-10-29 | 65.152.202.91 (ClassC) |
| 2018-03-09 | 63.227.135.32 (ClassC) |
| 2018-03-15 | 90.84.52.51 (ClassC) |
| 2018-03-17 | 23.48.208.113 (ClassC) |
| 2023-08-25 | 96.6.233.19 (ClassC) |
| 2024-05-18 | 184.26.148.220 (ClassC) |
| 2024-10-02 | 23.195.237.119 (ClassC) |
| 2025-04-10 | 23.49.128.184 (ClassC) |
| 2025-06-28 | 23.195.237.124 (ClassC) |
| 2025-08-19 | 104.90.248.148 (ClassC) |
| 2025-08-28 | 23.198.170.207 (ClassC) |
| Date | Domain | IP |
| ib.chibabank.co.jp | 2025-03-30 | 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 | 2025-05-02 | 23.41.4.84 |
| net.chibabank.co.jp | 2023-08-25 | 96.6.233.19 |
| vdebit.chibabank.co.jp | 2025-06-15 | 150.48.6.179 |
| ib-test.chibabank.co.jp | 2025-08-20 | 23.41.4.74 |
| id-test.chibabank.co.jp | 2025-05-12 | 23.41.4.72 |
| service-test.chibabank.co.jp | 2024-05-12 | 23.41.4.72 |
| 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 | 2025-04-04 | 23.41.4.88 |
| www.chibabank.co.jp | 2023-11-02 | 104.104.8.203 |