AS38903 Australian Unity Limited

AUSTUNITY-AS-AP - Australian Unity Limited · registered in Australia

IPv4 addresses1,5363 prefixes · <0.001% of announced IPv4

Rank in Australia#424largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#26,717of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS38903 in ASN lookup Look up an IP in this network (103.122.123.1) All networks in Australia

IPv4 prefixes

All 3 prefixes, in address order.

103.122.123.0/24
103.131.83.0/24
203.99.152.0/22

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS24110#421 IVEGROUP-AS-AP - IVE GROUP AUSTRALIA PTY LTD1,536

AS24570#422 TYROPAYMENTS-AS-AU - TYRO PAYMENTS LIMITED, Specialist Credit Card Institution1,536

AS38813#423 EMANTRA-AS-AP - Emantra Pty Ltd1,536

AS45226#425 SANTOS-MULTIHOME-AS-AP - AS for multi homing ISPs at Adelaide HO1,536

AS45426#426 VELHOST-AS-AU - Web Hosting Oranisation1,536

AS45657#427 NSWRFS-AS-AP - NSW Rural Fire Service1,536

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