Your order was sent using EMS Premium, which has 2 tracking numbers, EMS and UPS (updated version). As for the UPS tracking number, it will be available a few days after the shipment date. Please refer to below details

UPS Tracking No: 1Z74WR860476640057

Link: https://www.ups.com/WebTracking/track?loc=en_KR&requester=ST/

It says that the delivery has been completed on Oct 5th. If you have not received it, kindly try to contact your local post office first at +61 3 8847 9980. They should have the latest information about your package and should be able to guide you on what to do next.

Thank you and please let us know if you have more inquiries.