| Date | IP Address |
| 2019-10-04 | 69.89.157.133 (ClassC) |
| 2020-10-17 | 198.51.45.72 (ClassC) |
| 2026-02-03 | 45.54.96.1 (ClassC) |
| Date | Domain | IP |
| ns1.firstcitizens.bank | 2025-09-16 | 198.51.44.1 |
| ns2.firstcitizens.bank | 2025-09-04 | 198.51.45.1 |
| ns3.firstcitizens.bank | 2025-09-15 | 198.51.44.65 |
| ns4.firstcitizens.bank | 2020-10-17 | 198.51.45.72 |