AS17918 ac3, Australian Centre for Advanced Computing and Communications

AC3-AS-AP - ac3, Australian Centre for Advanced Computing and Communications · registered in Australia

IPv4 addresses9,7288 prefixes · <0.001% of announced IPv4

Rank in Australia#150largest network in AU by IPv4 space, of 1,660 · 0.02% of AU

Rank worldwide#9,209of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)6 prefixes

CountryAustralia1,688 ASNs registered there

Open AS17918 in ASN lookup Look up an IP in this network (117.53.160.1) All networks in Australia

IPv4 prefixes

All 8 prefixes, in address order.

117.53.160.0/22
117.53.164.0/23
117.53.166.0/24
117.53.167.0/24
117.53.168.0/21
202.44.98.0/23
202.129.128.0/20
202.129.144.0/22

IPv6 prefixes

All 6 prefixes.

2404:8600::/34
2404:8600:4000::/37
2404:8600:4800::/37
2404:8600:5000::/36
2404:8600:6000::/35
2404:8600:8000::/33

Other ASNs named ac3, Australian Centre for Advanced Computing and Communications

1 other network uses the same organisation name; together with AS17918 they announce 17,408 IPv4 addresses.

ASNNameIPv4 addresses

AS56307AC3-AS-AP - ac3, Australian Centre for Advanced Computing and Communications AU7,680

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS38456#147 SPEEDCAST-AU - SPEEDCAST AUSTRALIA PTY LIMITED10,240

AS55707#148 SIMTRONIC-AS-AP - Simtronic10,240

AS18117#149 NTTIP-AS-AP - NTT Australia Solutions Pty Ltd9,984

AS7637#151 SLVTSD-AS-AP - State Library Of Victoria9,728

AS151660#152 NEPTUNEINTERNET-AS-AP - Neptune Internet9,472

AS9297#153 COLOCITY-AS-AP - Colocity Pty Ltd9,472

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