| Date | IP Address |
| 2025-05-03 | 110.5.81.4 (ClassC) |
| Date | Domain | IP |
| gw-customer.dc1.api.westpac.com.au | 2025-05-03 | 110.5.80.4 |
| gw-prospect.dc1.api.westpac.com.au | 2025-04-24 | 110.5.80.4 |
| gw-customer.dc2.api.westpac.com.au | 2025-05-03 | 110.5.81.4 |
| gw-prospect.dc2.api.westpac.com.au | 2025-04-18 | 110.5.81.4 |
| gw-r.api.westpac.com.au | 2025-04-25 | 110.5.80.4 |
| gw-customer.api.westpac.com.au | 2025-03-29 | 110.5.80.4 |
| gw-prospect.api.westpac.com.au | 2025-03-26 | 110.5.81.4 |
| gw-w.api.westpac.com.au | 2025-04-13 | 110.5.81.4 |
| gw.api.westpac.com.au | 2025-03-05 | 110.5.81.4 |