Autonomous System

AS151660 Neptune Internet

ISPActiveAustraliaAPNIC

AS151660 (NEPTUNEINTERNET-AS-AP) is an ISP network operated by Neptune Internet in Australia, registered with APNIC. It has 20 IPv4 prefixes with 10,752 addresses and 10 IPv6 prefixes, which makes it the 9,793rd largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses10,752in 20 prefixes
IPv6 prefixes10≈ 4.0 × 10²⁹ addresses
Size rank#9,793of 82,283 active ASNs
Abuser scoreLow0.14% of its addresses flagged · method

Details

OrganizationNeptune Internet
AS nameNEPTUNEINTERNET-AS-AP
Websiteneptune.net.au
Country Australia (AU)
Network typeISP
RegistryAPNIC
Abuse contactabuse@neptune.net.au
Registered—
Last updated2026-07-02

IPv4 prefixes

20 prefixes · 10,752 addresses
NetworkAddressesFirst – last address
157.85.240.0/221,024157.85.240.0 – 157.85.243.255
157.85.244.0/221,024157.85.244.0 – 157.85.247.255
160.222.152.0/221,024160.222.152.0 – 160.222.155.255
160.222.156.0/221,024160.222.156.0 – 160.222.159.255
103.252.194.0/23512103.252.194.0 – 103.252.195.255
138.252.22.0/23512138.252.22.0 – 138.252.23.255
157.85.248.0/23512157.85.248.0 – 157.85.249.255
157.85.250.0/23512157.85.250.0 – 157.85.251.255
157.85.252.0/23512157.85.252.0 – 157.85.253.255
157.85.254.0/23512157.85.254.0 – 157.85.255.255
160.222.158.0/23512160.222.158.0 – 160.222.159.255
160.250.144.0/23512160.250.144.0 – 160.250.145.255
165.99.240.0/23512165.99.240.0 – 165.99.241.255
210.56.150.0/23512210.56.150.0 – 210.56.151.255
103.155.36.0/24256103.155.36.0 – 103.155.36.255
103.155.37.0/24256103.155.37.0 – 103.155.37.255
103.158.243.0/24256103.158.243.0 – 103.158.243.255
138.252.22.0/24256138.252.22.0 – 138.252.22.255
138.252.23.0/24256138.252.23.0 – 138.252.23.255
210.56.150.0/24256210.56.150.0 – 210.56.150.255

IPv6 prefixes

10 prefixes
  • 2401:2520::/32
  • 2401:dc20::/32
  • 2402:1060::/32
  • 2402:21a0::/32
  • 2402:3120::/32
  • 2a14:7581:d400::/40
  • 2a14:7581:d500::/40
  • 2a14:7581:d600::/40
  • 2401:dc20:cafe::/48
  • 2402:3120:cafe::/48

Query AS151660 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS151660&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS151660, with or without a key:

curl "https://api.ipapi.is/?q=157.85.240.1"

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