AS9983 Australian Bureau of Statistics.

ABS-AS-AP - Australian Bureau of Statistics. · registered in Australia

IPv4 addresses65,5369 prefixes · 0.002% of announced IPv4

Rank in Australia#65largest network in AU by IPv4 space, of 1,660 · 0.17% of AU

Rank worldwide#3,115of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryAustralia1,688 ASNs registered there

Open AS9983 in ASN lookup Look up an IP in this network (144.53.0.1) All networks in Australia

IPv4 prefixes

All 9 prefixes, in address order.

144.53.0.0/17
144.53.128.0/18
144.53.192.0/19
144.53.224.0/20
144.53.240.0/21
144.53.248.0/22
144.53.252.0/23
144.53.254.0/24
144.53.255.0/24

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS24101#62 UNE-AS-AP - University of New England65,536

AS45128#63 ANSTO-AS-AP - Australian Nuclear Science and Technology Organisation,65,536

AS9348#64 SLVTSD-CBN-AP - Victorian Cultural Network65,536

AS10079#66 UNIWESTSYD-AS-AP - University of Western Sydney65,536

AS17750#67 ASN-ENERGEX-AP - ENERGEX LIMITED65,536

AS18191#68 AIRSERVICESAUS-AP - OPTUS CUSTOMER NETWORK65,536

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