| Date | IP Address |
| 2014-12-06 | 23.61.71.179 (ClassC) |
| 2015-03-31 | 23.197.167.179 (ClassC) |
| 2016-05-12 | 72.246.109.179 (ClassC) |
| 2024-08-02 | 23.44.252.43 (ClassC) |
| 2025-08-02 | 104.90.240.10 (ClassC) |
| 2026-01-20 | 184.25.211.173 (ClassC) |
| Date | Domain | IP |
| beta.floodsmart.gov | 2024-09-12 | 23.59.207.62 |
| nfipservices.floodsmart.gov | 2025-04-03 | 23.44.252.43 |
| agents.floodsmart.gov | 2024-08-02 | 23.44.252.43 |
| www.agents.floodsmart.gov | 2024-04-20 | 23.44.252.43 |
| www.floodsmart.gov | 2013-07-24 | 198.47.108.35 |