AS139274 American Express Australia Pty Ltd

AMEX-JAPA-AS-AP - American Express Australia Pty Ltd · registered in Australia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Australia#1,487largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#70,889of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS139274 in ASN lookup Look up an IP in this network (139.71.204.1) All networks in Australia

IPv4 prefixes

All 1 prefix, in address order.

139.71.204.0/24

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS139222#1484 CITYOFWANNEROO-AS-AP - City of Wanneroo256

AS139246#1485 TTSCL-AS-AP - Twin Towns Services Club Ltd256

AS139273#1486 HENRYSCHEIN-AS-AP - HENRY SCHEIN REGIONAL PTY LIMITED256

AS139284#1488 OCTANE-AS-AP - OCTANE NETWORKS PTY LTD256

AS139289#1489 PFD-AS-AP - PFD Food Services Pty Ltd256

AS139315#1490 NITS-AS-AP - NEWTREND I.T. SPECIALISTS PTY LTD256

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