There are 24m people live in Australia. They use 2,500 ASNs with around 15m unique IPs.
Get your proxy from litport and you will be able to get many of these residential IPs. It works best for pinterest accounts and any other business that require the highest level of privacy and security.
You can choose among multiple cities and mobile carriers. Change IP via API on demand.
At this moment we don't have available mobile proxies in Australia. BUT! We might have it available, but for private usage. Please, contact us and find it out.