About a month:
Date/time City Status
Wed, 25.02.2015 13:00 h -- The instruction data for this shipment have been provided by the sender to DHL electronically
Wed, 25.02.2015 13:45 h Germany The shipment has been posted by the sender at the retail outlet
Wed, 25.02.2015 20:37 h Bremen, Germany The shipment has been processed in the parcel center of origin
Thu, 26.02.2015 05:10 h Saulheim, Germany The international shipment has been processed in the export parcel center
Thu, 26.02.2015 17:25 h IPZ-Ffm, Germany The shipment will be transported to the destination country and, from there, handed over to the delivery organization. (Homepage / online shipment tracking:
http://auspost.com.au/track/)
Fri, 20.03.2015 06:53 h Australia The shipment has arrived in the destination country
Mon, 23.03.2015 02:59 h Australia The shipment is being prepared for delivery in the delivery depot
Mon, 23.03.2015 10:35 h Australia The shipment has been successfully delivered
edit: and it's not trackable on the Auspost website also.
James