| Date | IP Address |
| 2013-04-16 | 198.46.81.133 (ClassC) |
| 2019-10-20 | 67.225.191.44 (ClassC) |
| 2024-07-19 | 23.46.228.179 (ClassC) |
| 2024-07-26 | 23.46.17.9 (ClassC) |
| 2024-11-04 | 23.54.19.147 (ClassC) |
| 2025-05-09 | 23.216.147.204 (ClassC) |
| 2025-12-11 | 23.216.147.194 (ClassC) |
| Date | Domain | IP |
| mail.nhisac.org | 2025-07-03 | 67.225.191.44 |
| grants.nhisac.org | 2025-05-22 | 67.225.191.44 |
| host.nhisac.org | 2025-05-22 | 67.225.191.44 |
| www.nhisac.org | 2013-04-16 | 198.46.81.133 |