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AS10150 Optus Customer Network

TENNET-AU-AP - Optus Customer Network · registered in Australia

IPv4 addresses5121 prefixes · <0.001% of announced IPv4
Rank in Australia#817largest network in AU by IPv4 space, of 1,660 · <0.01% of AU
Rank worldwide#49,665of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryAustralia1,688 ASNs registered there

IPv4 prefixes

All 1 prefix, in address order.

  • 203.8.18.0/23

Other ASNs named Optus Customer Network

6 other networks use the same organisation name; together with AS10150 they announce 72,448 IPv4 addresses.

ASNNameIPv4 addresses
AS18191AIRSERVICESAUS-AP - OPTUS CUSTOMER NETWORK AU65,536
AS10128IAG-AS-AP - Optus Customer Network AU2,304
AS4643TXU-AS-AP - Optus Customer Network AU1,792
AS4778BORAL-LIMITED-AP - Optus Customer Network AU1,024
AS24510HOLMESGLEN-INSTITUTE-OF-TAFE-AP - Optus Customer Network AU1,024
AS9672WEST-AUSTRALIAN-NEWSPAPERS-AP - Optus Customer Network AU256

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS9417#814 EGRC-AS-AP - Electricity Generation and Retail Corporation512
AS9888#815 SOSYSTEMS-AS-AP - Southern Ocean Systems Pty Ltd512
AS10106#816 GIPPSTAFE-AS-AP - TAFE Gippsland512
AS10221#818 HEWLETT-PACKARD - Multi-homed connections to multiple ISP's providing512
AS17463#819 ETHERTECH-AS-AP - EtherTech Pty Ltd512
AS17541#820 PACCESS-AS - Professional Access,512

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