AS1851 Adelaide University

ADELAIDE-UNIVERSITY-AS-AP - Adelaide University · registered in Australia

IPv4 addresses134,40016 prefixes · 0.004% of announced IPv4

Rank in Australia#27largest network in AU by IPv4 space, of 1,660 · 0.34% of AU

Rank worldwide#1,457of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryAustralia1,688 ASNs registered there

Open AS1851 in ASN lookup Look up an IP in this network (43.241.200.1) All networks in Australia

IPv4 prefixes

All 16 prefixes, in address order.

43.241.200.0/22
45.121.132.0/22
103.37.128.0/24
103.37.130.0/23
129.127.0.0/17
129.127.128.0/18
129.127.192.0/19
129.127.224.0/23
129.127.228.0/22
129.127.232.0/21
129.127.240.0/20
130.220.0.0/16
192.43.227.0/24
192.43.228.0/24
192.160.71.0/24
203.26.136.0/24

IPv6 prefixes

All 1 prefix.

2403:7900::/32

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS9555#24 VzB-AU-AS - Verizon Australia PTY Limited137,728

AS10235#25 NAB-AS-AP - National Australia Bank Limited136,448

AS37978#26 NETTAS-AS-AP - Networking Tasmania134,656

AS9342#28 ABC-AS-AP - Australian Broadcasting Corporation131,584

AS7645#29 DEAKINUNIVERSITY-AS-AP - Deakin University131,072

AS135348#30 QANTASAIRLTD-AS-AP - QANTAS Airways Limited131,072

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