HTTPfy

AS151660 Neptune Internet

NEPTUNEINTERNET-AS-AP - Neptune Internet · registered in Australia

IPv4 addresses9,4729 prefixes · <0.001% of announced IPv4
Rank in Australia#152largest network in AU by IPv4 space, of 1,660 · 0.02% of AU
Rank worldwide#9,312of 79,396 networks with IPv4
IPv65 x /32 (328,448 x /48)39 prefixes
CountryAustralia1,688 ASNs registered there
Open AS151660 in ASN lookup Look up an IP in this network (103.155.36.1) All networks in Australia

IPv4 prefixes

All 9 prefixes, in address order.

  • 103.155.36.0/23
  • 103.158.243.0/24
  • 103.252.194.0/23
  • 138.252.22.0/23
  • 157.85.240.0/20
  • 160.222.152.0/21
  • 160.250.144.0/23
  • 165.99.240.0/23
  • 210.56.150.0/23

IPv6 prefixes

All 39 prefixes.

  • 2401:2520::/32
  • 2401:dc20::/33
  • 2401:dc20:8000::/34
  • 2401:dc20:c000::/37
  • 2401:dc20:c800::/39
  • 2401:dc20:ca00::/41
  • 2401:dc20:ca80::/42
  • 2401:dc20:cac0::/43
  • 2401:dc20:cae0::/44
  • 2401:dc20:caf0::/45
  • 2401:dc20:caf8::/46
  • 2401:dc20:cafc::/47
  • 2401:dc20:cafe::/48
  • 2401:dc20:caff::/48
  • 2401:dc20:cb00::/40
  • 2401:dc20:cc00::/38
  • 2401:dc20:d000::/36
  • 2401:dc20:e000::/35
  • 2402:1060::/32
  • 2402:21a0::/32
  • 2402:3120::/33
  • 2402:3120:8000::/34
  • 2402:3120:c000::/37
  • 2402:3120:c800::/39
  • 2402:3120:ca00::/41
  • 2402:3120:ca80::/42
  • 2402:3120:cac0::/43
  • 2402:3120:cae0::/44
  • 2402:3120:caf0::/45
  • 2402:3120:caf8::/46
  • 2402:3120:cafc::/47
  • 2402:3120:cafe::/48
  • 2402:3120:caff::/48
  • 2402:3120:cb00::/40
  • 2402:3120:cc00::/38
  • 2402:3120:d000::/36
  • 2402:3120:e000::/35
  • 2a14:7581:d400::/39
  • 2a14:7581:d600::/40

Similar-sized networks in Australia

ASNNameIPv4 addresses
AS18117#149 NTTIP-AS-AP - NTT Australia Solutions Pty Ltd9,984
AS17918#150 AC3-AS-AP - ac3, Australian Centre for Advanced Computing and Communications9,728
AS7637#151 SLVTSD-AS-AP - State Library Of Victoria9,728
AS9297#153 COLOCITY-AS-AP - Colocity Pty Ltd9,472
AS63850#154 ENTRUSTICT-AS-AP - QRHUB PTY LTD T/A Entrust ICT9,472
AS64098#155 SYNTELPTYLTD-AU - TASMANET9,216

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