| Date | IP Address |
| 2016-11-06 | 140.90.33.21 (ClassC) |
| 2017-06-13 | 216.38.80.81 (ClassC) |
| 2017-08-08 | 140.90.200.21 (ClassC) |
| 2017-12-27 | 13.33.251.51 (ClassC) |
| 2018-09-20 | 52.222.217.70 (ClassC) |
| 2019-08-01 | 143.204.142.104 (ClassC) |
| 2019-08-09 | 52.84.134.188 (ClassC) |
| 2019-09-04 | 54.230.35.51 (ClassC) |
| 2021-08-24 | 13.225.206.108 (ClassC) |
| 2024-02-19 | 99.84.66.86 (ClassC) |
| 2024-09-29 | 99.84.66.35 (ClassC) |
| 2025-05-21 | 108.138.94.65 (ClassC) |
| 2025-05-28 | 99.84.66.11 (ClassC) |
| Date | Domain | IP |
| www.nhc.noaa.gov | 2013-04-01 | 129.15.96.11 |