AS7474

AS7474 is SingTel Optus Pty Ltd.

Short answer

AS7474 belongs to SingTel Optus Pty Ltd. DB-IP Lite attributes 514,040 IPv4 addresses in 82 ranges and 4 IPv6 ranges to it, all or nearly all of the IPv4 space in Australia. The number is registered with APNIC in Australia on 3 Feb 1997.

Facts for AS7474
Operator (DB-IP)SingTel Optus Pty Ltd
IPv4 addresses514,040
IPv4 ranges82
IPv6 ranges4
RegistryAPNIC
Registered3 Feb 1997
Registry countryAustralia (AU)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

SingTel Optus Pty Ltd hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 4 IPv6 ranges for AS7474, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

AU100%
US0.10%
NZ0.10%
IN0.10%
CA0.05%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
1.44.8.0 – 1.44.23.2551.44.8.0/21, 1.44.16.0/214,096
1.44.32.0 – 1.44.47.2551.44.32.0/204,096
1.44.56.0 – 1.44.95.2551.44.56.0/21, 1.44.64.0/1910,240
1.44.97.0 – 1.44.255.2551.44.97.0/24, 1.44.98.0/23 …40,704
43.247.72.0 – 43.247.72.25543.247.72.0/24256
59.154.0.0 – 59.154.79.25559.154.0.0/18, 59.154.64.0/2020,480
59.154.81.0 – 59.154.255.25559.154.81.0/24, 59.154.82.0/23 …44,800
61.88.0.0 – 61.88.126.22361.88.0.0/18, 61.88.64.0/19 …32,480
61.88.128.0 – 61.88.183.25561.88.128.0/19, 61.88.160.0/20 …14,336
61.88.187.0 – 61.88.189.25561.88.187.0/24, 61.88.188.0/23768
61.88.191.0 – 61.88.219.25561.88.191.0/24, 61.88.192.0/20 …7,424
103.20.216.0 – 103.20.216.255103.20.216.0/24256
103.77.128.0 – 103.77.128.255103.77.128.0/24256
103.105.219.0 – 103.105.219.255103.105.219.0/24256
103.112.100.0 – 103.112.100.255103.112.100.0/24256
103.133.118.0 – 103.133.119.255103.133.118.0/23512
103.142.52.0 – 103.142.52.255103.142.52.0/24256
103.154.249.0 – 103.154.249.255103.154.249.0/24256
103.155.181.0 – 103.155.181.255103.155.181.0/24256
103.237.136.0 – 103.237.137.255103.237.136.0/23512
119.225.0.0 – 119.225.216.255119.225.0.0/17, 119.225.128.0/18 …55,552
119.225.218.0 – 119.225.239.255119.225.218.0/23, 119.225.220.0/22 …5,632
119.225.248.0 – 119.225.255.255119.225.248.0/212,048
122.98.208.0 – 122.98.208.255122.98.208.0/24256
122.98.211.0 – 122.98.211.255122.98.211.0/24256
124.19.0.0 – 124.19.127.255124.19.0.0/1732,768
125.63.128.0 – 125.63.255.255125.63.128.0/1732,768
129.192.208.0 – 129.192.208.255129.192.208.0/24256
146.144.0.0 – 146.144.7.255146.144.0.0/212,048
156.50.96.0 – 156.50.96.255156.50.96.0/24256
156.50.98.0 – 156.50.98.255156.50.98.0/24256
156.50.100.0 – 156.50.109.255156.50.100.0/22, 156.50.104.0/22 …2,560
156.50.112.0 – 156.50.119.255156.50.112.0/212,048
157.23.245.0 – 157.23.245.255157.23.245.0/24256
159.99.91.0 – 159.99.91.255159.99.91.0/24256
159.151.192.0 – 159.151.192.255159.151.192.0/24256
161.43.64.0 – 161.43.127.255161.43.64.0/1816,384
161.43.192.0 – 161.43.255.255161.43.192.0/1816,384
163.127.2.0 – 163.127.11.255163.127.2.0/23, 163.127.4.0/22 …2,560
163.127.14.0 – 163.127.15.255163.127.14.0/23512
163.127.20.0 – 163.127.21.255163.127.20.0/23512
163.127.100.0 – 163.127.101.255163.127.100.0/23512
163.127.126.0 – 163.127.127.255163.127.126.0/23512
192.65.88.0 – 192.65.91.255192.65.88.0/221,024
202.129.218.0 – 202.129.218.255202.129.218.0/24256
202.139.0.0 – 202.139.71.255202.139.0.0/18, 202.139.64.0/2118,432
202.139.76.0 – 202.139.126.159202.139.76.0/22, 202.139.80.0/20 …12,960
202.139.128.0 – 202.139.191.255202.139.128.0/1816,384
203.1.80.0 – 203.1.80.255203.1.80.0/24256
203.2.80.0 – 203.2.95.255203.2.80.0/204,096
2405:9000:: – 2405:9000:7f:ffff:ffff:ffff:ffff:ffff2405:9000::/41IPv6
2405:9000:81:: – 2405:9000:8f:ffff:ffff:ffff:ffff:ffff2405:9000:81::/48IPv6
2405:9000:91:: – 2405:9000:ffff:ffff:ffff:ffff:ffff:ffff2405:9000:91::/48IPv6
2602:810:20e0:: – 2602:810:20e0:ffff:ffff:ffff:ffff:ffff2602:810:20e0::/48IPv6
Showing 50 of 82 IPv4 and 4 of 4 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026