Australia does not use IBAN numbers.
Westpac's Swift Code is WPACAU2S. The SWIFT code enables money to be received by Westpac.
Your BSB number - this is a 6 digit number that precedes your account number. It refers to the Westpac bank branch holding your bank account. You will have been given this number with your bank account number. An example of a Westpac BSB and account number is 732065 111111. In this example the BSB is 732065 and the account number is 111111.
