| Date | IP Address |
| 2021-06-29 | 35.174.151.106 (ClassC) |
| 2022-06-24 | 52.54.96.194 (ClassC) |
| 2025-03-06 | 34.237.219.119 (ClassC) |
| 2025-04-04 | 3.215.172.219 (ClassC) |
| Date | Domain | IP |
| ap.enterprise.efax.com.au | 2024-09-02 | 18.208.125.13 |
| ap.switch.efax.com.au | 2024-09-02 | 18.208.125.13 |
| ap.efax.com.au | 2025-03-06 | 34.237.219.119 |
| sassets.efax.com.au | 2024-12-09 | 104.18.17.250 |
| origin-www.efax.com.au | 2025-03-16 | 204.11.168.59 |