AS4643 Optus Customer Network

TXU-AS-AP - Optus Customer Network · registered in Australia

IPv4 addresses1,7926 prefixes · <0.001% of announced IPv4

Rank in Australia#391largest network in AU by IPv4 space, of 1,660 · <0.01% of AU

Rank worldwide#25,001of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS4643 in ASN lookup Look up an IP in this network (203.14.82.1) All networks in Australia

IPv4 prefixes

All 6 prefixes, in address order.

203.14.82.0/24
203.14.87.0/24
203.14.89.0/24
203.14.90.0/23
203.14.93.0/24
203.14.95.0/24

Other ASNs named Optus Customer Network

6 other networks use the same organisation name; together with AS4643 they announce 72,448 IPv4 addresses.

ASNNameIPv4 addresses

AS18191AIRSERVICESAUS-AP - OPTUS CUSTOMER NETWORK AU65,536

AS10128IAG-AS-AP - Optus Customer Network AU2,304

AS4778BORAL-LIMITED-AP - Optus Customer Network AU1,024

AS24510HOLMESGLEN-INSTITUTE-OF-TAFE-AP - Optus Customer Network AU1,024

AS10150TENNET-AU-AP - Optus Customer Network AU512

AS9672WEST-AUSTRALIAN-NEWSPAPERS-AP - Optus Customer Network AU256

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS138637#388 VOCPHONE-AS-AP - VOCPHONE PTY LTD1,792

AS140627#389 ONEQODEASSETS-AS-AP - OneQode1,792

AS45665#390 EDITCO-AS-AP - EdIT Counsel1,792

AS4822#392 NATIONAL-LIBRARY-AU - National Library of Australia1,792

AS38534#393 ISCPL-AS-AP - IOOF SERVICE CO PTY LTD1,792

AS38716#394 DCWEST-AS-AU-AP - DC West Pty. Ltd.1,792

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