Autonomous System

AS7474 SingTel Optus Pty Ltd

ISPActiveAustraliaAPNIC

AS7474 (OPTUSCOM-AS01-AU) is an ISP network operated by SingTel Optus Pty Ltd in Australia, registered with APNIC. It has 157 IPv4 prefixes with 562,944 addresses and 5 IPv6 prefixes, which makes it the 627th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses562,944in 157 prefixes
IPv6 prefixes5≈ 7.9 × 10²⁸ addresses
Size rank#627of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationSingTel Optus Pty Ltd
AS nameOPTUSCOM-AS01-AU
Websiteoptus.com.au
Country Australia (AU)
Network typeISP
RegistryAPNIC
Abuse contactabuse@optusnet.com.au
Registered—
Last updated2025-05-27

IPv4 prefixes

157 prefixes · 562,944 addresses
NetworkAddressesFirst – last address
1.44.0.0/1665,5361.44.0.0 – 1.44.255.255
59.154.0.0/1665,53659.154.0.0 – 59.154.255.255
119.225.0.0/1665,536119.225.0.0 – 119.225.255.255
61.88.0.0/1732,76861.88.0.0 – 61.88.127.255
124.19.0.0/1732,768124.19.0.0 – 124.19.127.255
125.63.128.0/1732,768125.63.128.0 – 125.63.255.255
202.139.0.0/1732,768202.139.0.0 – 202.139.127.255
203.202.0.0/1732,768203.202.0.0 – 203.202.127.255
220.101.0.0/1732,768220.101.0.0 – 220.101.127.255
61.88.128.0/1816,38461.88.128.0 – 61.88.191.255
161.43.64.0/1816,384161.43.64.0 – 161.43.127.255
161.43.192.0/1816,384161.43.192.0 – 161.43.255.255
202.139.128.0/1816,384202.139.128.0 – 202.139.191.255
203.6.0.0/1816,384203.6.0.0 – 203.6.63.255
203.202.128.0/1816,384203.202.128.0 – 203.202.191.255
61.88.192.0/204,09661.88.192.0 – 61.88.207.255
161.43.192.0/204,096161.43.192.0 – 161.43.207.255
203.2.80.0/204,096203.2.80.0 – 203.2.95.255
61.88.208.0/212,04861.88.208.0 – 61.88.215.255
124.19.88.0/212,048124.19.88.0 – 124.19.95.255
146.144.0.0/212,048146.144.0.0 – 146.144.7.255
1.44.176.0/221,0241.44.176.0 – 1.44.179.255
1.44.180.0/221,0241.44.180.0 – 1.44.183.255
1.44.184.0/221,0241.44.184.0 – 1.44.187.255
1.44.188.0/221,0241.44.188.0 – 1.44.191.255
The 25 largest of 157. The API and the database have all of them.

IPv6 prefixes

5 prefixes
  • 2405:9000::/32
  • 2405:9000:1fc::/48
  • 2405:9000:203::/48
  • 2405:9000:207::/48
  • 2602:810:20e0::/48

Query AS7474 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=AS7474&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS7474, with or without a key:

curl "https://api.ipapi.is/?q=1.44.0.1"

Other networks of SingTel Optus Pty Ltd

AS4804 SingTel Optus Pty Ltd9,305,344 IPv4 addressesAS18191 SingTel Optus Pty Ltd132,352 IPv4 addressesAS9426 SingTel Optus Pty Ltd32,000 IPv4 addresses

Largest networks in Australia

AS1221 Telstra Limited13,402,624 IPv4 addressesAS4804 SingTel Optus Pty Ltd9,305,344 IPv4 addressesAS7545 TPG Internet Pty Ltd5,503,232 IPv4 addressesAS4739 iiNet Limited2,847,232 IPv4 addressesAS133612 Vodafone Australia Pty Ltd2,339,584 IPv4 addressesAS7575 Australian Academic and Research Network1,216,256 IPv4 addresses