AS4851 Host Networks

HOSTNETWORKS-AS-AU-AP - Host Networks · registered in Australia

IPv4 addresses17,66414 prefixes · <0.001% of announced IPv4

Rank in Australia#121largest network in AU by IPv4 space, of 1,660 · 0.05% of AU

Rank worldwide#6,572of 79,396 networks with IPv4

IPv63 x /32 (196,608 x /48)3 prefixes

CountryAustralia1,688 ASNs registered there

Open AS4851 in ASN lookup Look up an IP in this network (103.74.217.1) All networks in Australia

IPv4 prefixes

All 14 prefixes, in address order.

103.74.217.0/24
103.74.218.0/23
103.77.144.0/22
103.194.229.0/24
103.196.148.0/22
103.206.187.0/24
117.120.40.0/21
119.148.64.0/23
119.148.67.0/24
119.148.68.0/22
119.148.72.0/21
119.148.80.0/20
202.128.106.0/24
202.174.96.0/20

IPv6 prefixes

All 3 prefixes.

2402:e400::/32
2402:f280::/32
2407:3280::/32

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS45589#118 ENERGYAUST-AS - AUSGRID18,432

AS24516#119 VIRTUTEL-AS-AP - Virtutel Pty Ltd18,176

AS38220#120 AMAZE-AS-AP - Amaze Intelligence17,920

AS9426#122 WESTPAC-AS-AP - Westpac Bank17,408

AS8100#123 SPLICE-AS-AP - Splice Internet Pty Ltd16,896

AS38495#124 TRANSPOWER-B-AS-AP - Transpower New Zealand Ltd.16,640

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