https://www.azurespeed.com/Information/AzureIpRanges/AzureBackup.AustraliaCentral
Azure IP Ranges - AzureBackup.AustraliaCentral
Azure service tag AzureBackup.AustraliaCentral for Australia Central publishes 5 address blocks featuring 3 IPv4 and 2 IPv6 prefixes.
azure ip ranges