These people (https://infinitygroupaustralia.com.au/) are scraping WHOIS to get numbers to contact to offer fraudulent prizes and try to get access to your financial.

Lady called to say I'd won an Android tablet, then gathered personal info to "qualify" me, such as # and age of dependants, equity of house, yearly income, marital status, etc.

Called by didn't leave a message and won't answer when I called

Called with "You've won either an Android tablet or $100 Woolworths voucher - (it was possibly a $1000 voucher) from some survey I'd filled in. Then started asking for home mortgage details and house value. shut them down at that point.

Scam caller today..I didn't reply

They called double checked my name and hung up...

They Called and didn't leave a message.
This is the 2nd time today that i got a nuisance call today. The other number that called me today is 0437 805 434 so keep an eye on this one too.

Said I won a prize through a competition I never enterred.

scam sounding call to say i put my name in a draw and won a second prize... tried to sound sincere