AS9426 Westpac Bank

WESTPAC-AS-AP - Westpac Bank · registered in Australia

IPv4 addresses17,40834 prefixes · <0.001% of announced IPv4

Rank in Australia#122largest network in AU by IPv4 space, of 1,660 · 0.04% of AU

Rank worldwide#6,666of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS9426 in ASN lookup Look up an IP in this network (110.5.80.1) All networks in Australia

IPv4 prefixes

All 34 prefixes, in address order.

110.5.80.0/23
110.5.84.0/22
110.5.90.0/23
166.120.0.0/23
166.120.2.0/23
166.120.5.0/24
166.120.7.0/24
166.120.64.0/23
166.120.68.0/22
166.120.72.0/21
166.120.80.0/24
166.120.81.0/24
166.120.83.0/24
166.120.84.0/24
166.120.85.0/24
166.120.87.0/24
166.120.88.0/24
166.120.89.0/24
166.120.90.0/23
166.120.92.0/24
166.120.93.0/24
166.120.94.0/23
166.120.164.0/23
166.120.166.0/23
166.120.200.0/22
166.120.212.0/22
166.120.216.0/24
166.120.217.0/24
166.120.218.0/23
203.16.39.0/24
203.23.44.0/24
203.24.0.0/23
203.24.2.0/23
203.24.4.0/22

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS24516#119 VIRTUTEL-AS-AP - Virtutel Pty Ltd18,176

AS38220#120 AMAZE-AS-AP - Amaze Intelligence17,920

AS4851#121 HOSTNETWORKS-AS-AU-AP - Host Networks17,664

AS8100#123 SPLICE-AS-AP - Splice Internet Pty Ltd16,896

AS38495#124 TRANSPOWER-B-AS-AP - Transpower New Zealand Ltd.16,640

AS17906#125 PWC-AP - PricewaterhouseCoopers16,384

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources