| Date | IP Address |
| 2018-04-25 | 23.61.77.172 (ClassC) |
| 2020-05-08 | 23.204.70.222 (ClassC) |
| 2020-05-23 | 23.4.6.99 (ClassC) |
| 2025-04-23 | 104.18.17.250 (ClassC) |
| 2025-06-05 | 104.18.16.250 (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 | 2025-04-23 | 104.18.17.250 |
| origin-www.efax.com.au | 2025-06-03 | 204.11.168.59 |