| Date | IP Address |
| 2021-11-01 | 35.156.226.233 (ClassC) |
| 2024-03-10 | 52.58.233.92 (ClassC) |
| 2024-05-19 | 3.126.94.225 (ClassC) |
| 2024-07-30 | 3.70.34.196 (ClassC) |
| 2024-08-19 | 52.29.141.194 (ClassC) |
| 2024-09-15 | 52.57.79.238 (ClassC) |
| 2024-09-22 | 18.158.13.151 (ClassC) |
| 2024-10-20 | 52.57.206.143 (ClassC) |
| 2024-11-15 | 3.120.95.83 (ClassC) |
| 2024-11-24 | 52.58.3.188 (ClassC) |
| 2024-12-20 | 3.66.178.124 (ClassC) |
| 2024-12-27 | 3.72.183.119 (ClassC) |
| 2025-01-02 | 3.69.10.47 (ClassC) |
| 2025-03-15 | 3.120.214.13 (ClassC) |
| 2025-04-25 | 52.57.85.120 (ClassC) |
| 2025-05-01 | 3.78.8.10 (ClassC) |
| Date | Domain | IP |
| mail.nhc.com.au | 2025-04-29 | 183.177.48.182 |
| careers.nhc.com.au | 2024-03-10 | 52.58.233.92 |
| www.nhc.com.au | 2023-10-16 | 13.210.150.253 |