Australian Consumers Database

I need a very big database of Australian consumers for an exciting new B2C project. Fields required. First name, surname, email address, City, State and postcode where they live. I require hundreds of thousands(100k) of Names. The budget is flexible depending on the size or the database built. Initial project should be of consumers living in Australia over the age of 18, but depending on quality will branch out to the other countries too. Send me a sample to check.