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 7 IPv6 prefixes, which makes it the 9,794th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses10,752in 20 prefixes
IPv6 prefixes7≈ 4.0 × 10²⁹ addresses
Size rank#9,794of 82,200 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

7 prefixes
  • 2401:2520::/32
  • 2401:dc20::/32
  • 2402:1060::/32
  • 2402:21a0::/32
  • 2402:3120::/32
  • 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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