| Date | IP Address |
| 2023-05-15 | 18.172.122.113 (ClassC) |
| 2024-07-14 | 18.160.78.114 (ClassC) |
| 2025-03-06 | 108.138.106.2 (ClassC) |
| 2025-05-16 | 52.84.162.29 (ClassC) |
| 2025-11-03 | 13.32.179.82 (ClassC) |
| 2026-02-16 | 18.161.6.94 (ClassC) |
| Date | Domain | IP |
| 0-41.verify.auspost.com.au | 2024-08-27 | 52.84.162.29 |
| 155-9-211-89.verify.auspost.com.au | 2025-07-03 | 18.161.6.52 |
| careersotc.verify.auspost.com.au | 2024-08-10 | 18.161.6.74 |
| 1a9f.verify.auspost.com.au | 2024-05-18 | 18.161.6.74 |
| external.verify.auspost.com.au | 2025-10-31 | 18.161.6.109 |
| bill.verify.auspost.com.au | 2024-09-09 | 18.244.214.129 |
| api.support.verify.auspost.com.au | 2025-05-16 | 52.84.162.29 |