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AS9547 Westpac Banking Corporation

WESTPAC-AS-AP - Westpac Banking Corporation · registered in Australia

IPv4 addresses4,0969 prefixes · <0.001% of announced IPv4
Rank in Australia#239largest network in AU by IPv4 space, of 1,660 · 0.01% of AU
Rank worldwide#15,624of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryAustralia1,688 ASNs registered there

IPv4 prefixes

All 9 prefixes, in address order.

  • 110.5.82.0/23
  • 110.5.88.0/23
  • 110.5.92.0/22
  • 166.120.4.0/24
  • 166.120.6.0/24
  • 166.120.58.0/23
  • 166.120.66.0/23
  • 166.120.82.0/24
  • 166.120.86.0/24

Other ASNs named Westpac Banking Corporation

1 other network uses the same organisation name; together with AS9547 they announce 5,120 IPv4 addresses.

ASNNameIPv4 addresses
AS150673WESTPAC-AS-AP - Westpac Banking Corporation AU1,024

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS23918#236 NTTIP-AS-AP - NTT Australia Solutions Pty Ltd4,144
AS136900#237 IQNETNSW-AS-AP - IQ NET (NSW) PTY LTD4,096
AS138654#238 MMAL-AS-AP - Mitsubishi Motors Australia Limited4,096
AS18292#240 CUSCAL-AS - CUSCAL LTD4,096
AS24017#241 FOXTEL-AS-AU-AP - Foxtel Management Pty Ltd4,096
AS24507#242 FFASTFILL-NET-AU - Level 29, Tower Building4,096

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