| Date | IP Address |
| 2025-01-06 | 122.147.244.60 (ClassC) |
| Date | Domain | IP |
| card.firstbank.com.tw | 2023-08-25 | 96.7.156.64 |
| ccard.firstbank.com.tw | 2023-08-26 | 210.200.30.22 |
| bankfree.firstbank.com.tw | 2024-11-25 | 23.48.17.44 |
| efpg.firstbank.com.tw | 2025-01-06 | 122.147.244.45 |
| ebank.firstbank.com.tw | 2024-03-24 | 122.147.244.120 |
| freebank.firstbank.com.tw | 2024-11-25 | 23.48.17.44 |
| ibank.firstbank.com.tw | 2024-11-12 | 210.200.30.63 |
| mbank.firstbank.com.tw | 2024-11-09 | 122.147.244.55 |
| mail.firstbank.com.tw | 2024-11-13 | 61.67.7.197 |
| eschool.firstbank.com.tw | 2024-03-29 | 210.200.30.42 |
| eatm.firstbank.com.tw | 2023-08-26 | 210.200.30.95 |
| pushotp.firstbank.com.tw | 2025-01-06 | 122.147.244.60 |
| wms.firstbank.com.tw | 2024-11-12 | 210.17.21.236 |
| b2bgw.firstbank.com.tw | 2024-11-10 | 210.59.232.122 |
| www.firstbank.com.tw | 2023-08-25 | 96.7.156.64 |