HTTPfy

AS150004 Check Networks

CTGPL-AS-AP - Check Networks · registered in Australia

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4
Rank in Australia#514largest network in AU by IPv4 space, of 1,660 · <0.01% of AU
Rank worldwide#30,804of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryAustralia1,688 ASNs registered there

IPv4 prefixes

All 3 prefixes, in address order.

  • 103.190.128.0/23
  • 151.242.108.0/24
  • 166.88.22.0/24

IPv6 prefixes

All 1 prefix.

  • 2400:9060::/32

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS140876#511 SPLASH-AS-AP - Splash Internet Pty Ltd1,024
AS149446#512 FIRMUSGRID-AS-AP - Firmus Grid1,024
AS149841#513 LIGHTNING1-AS-AP - Lightning IP1,024
AS4819#515 STRATOS-GLOBAL-ASIAPAC-AS-AP - Xantic BV1,024
AS133898#516 FLIPTVPTYLIMITED-AS-AP - FLIP TV PTY LIMITED1,024
AS151847#517 FASTMAILPTYLTD-AS-AP - Fastmail Pty Ltd1,024

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