Data as of Nov 6, 2026
Autonomous system

AS17756

Australia Post

Announces 65,792 addresses in 24 prefixes. None of it is anonymizer space.

Type
Business
AU

Announced prefixes

Arrived
PrefixTypeHolderRPKI
155.144.0.0/16
since Oct 2020
BusinessAustralian Postal Corporation
155.144.0.0/17
since Aug 2021
BusinessAustralian Postal Corporation
155.144.16.0/22
since Mar 2015
BusinessAustralian Postal Corporation
155.144.24.0/24
since May 2005
BusinessAustralian Postal Corporation
155.144.25.0/24
since Mar 2015
BusinessAustralian Postal Corporation
155.144.26.0/24
since Mar 2015
BusinessAustralian Postal Corporation
155.144.27.0/24
since Mar 2015
BusinessAustralian Postal Corporation
155.144.47.0/24
since Mar 2015
BusinessAustralian Postal Corporation
155.144.50.0/23
since Sep 2019
BusinessAustralian Postal Corporation
155.144.50.0/24
since Aug 2021
BusinessAustralian Postal Corporation
155.144.51.0/24
since Aug 2021
BusinessAustralian Postal Corporation
155.144.52.0/23
since Sep 2019
BusinessAustralian Postal Corporation
155.144.52.0/24
since Aug 2021
BusinessAustralian Postal Corporation
155.144.53.0/24
since Aug 2021
BusinessAustralian Postal Corporation
155.144.101.0/24
since May 2005
BusinessAustralian Postal Corporation
155.144.112.0/24
since Nov 2014
BusinessAustralian Postal Corporation
155.144.113.0/24
since Dec 2014
BusinessAustralian Postal Corporation
155.144.114.0/24
since Dec 2014
BusinessAustralian Postal Corporation
155.144.116.0/24
since Jun 2018
BusinessAustralian Postal Corporation
155.144.117.0/24
since Feb 2019
BusinessAustralian Postal Corporation
155.144.128.0/17
since Aug 2021
BusinessAustralian Postal Corporation
155.144.251.0/24
since May 2005
BusinessAustralian Postal Corporation
155.144.253.0/24
since May 2005
BusinessAustralian Postal Corporation
203.171.5.0/24
since Apr 2018
BusinessStar Track Express Pty Limited

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it