AS7474 — OPTUSCOM-AS01-AU SingTel Optus Pty Ltd

AS7474 announces 141 IPv4 prefixes covering 516,352 addresses and 20 IPv6 prefixes.

About this network

Optus (OPTUSCOM, SingTel Optus) — Australia's second-largest telecom, owned by Singapore's Singtel.

What it's used for

• Mobile and fixed broadband for millions of Australian subscribers.

Notable

• A major Australian "eyeball" network, the main competitor to Telstra.

Interesting

• A 2022 Optus data breach exposed the personal details of millions of customers, becoming one of Australia's largest and most-discussed breaches.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 1.44.8.0/21
• 1.44.16.0/21
• 1.44.32.0/20
• 1.44.56.0/21
• 1.44.64.0/19
• 1.44.97.0/24
• 1.44.98.0/23
• 1.44.100.0/22
• 1.44.104.0/21
• 1.44.112.0/20
• 1.44.128.0/17
• 43.247.72.0/24
• 59.154.0.0/18
• 59.154.64.0/20
• 59.154.81.0/24
• 59.154.82.0/23
• 59.154.84.0/22
• 59.154.88.0/21
• 59.154.96.0/19
• 59.154.128.0/17
• 61.88.0.0/17
• 61.88.128.0/19
• 61.88.160.0/20
• 61.88.176.0/21
• 61.88.187.0/24
• 61.88.188.0/23
• 61.88.191.0/24
• 61.88.192.0/20
• 61.88.208.0/21
• 61.88.216.0/22
• 103.20.216.0/24
• 103.77.128.0/24
• 103.105.219.0/24
• 103.112.100.0/24
• 103.133.118.0/23
• 103.142.52.0/24
• 103.154.249.0/24
• 103.155.181.0/24
• 103.237.136.0/23
• 119.225.0.0/17
• 119.225.128.0/18
• 119.225.192.0/20
• 119.225.208.0/21
• 119.225.216.0/24
• 119.225.218.0/23
• 119.225.220.0/22
• 119.225.224.0/20
• 119.225.248.0/21
• 122.98.208.0/24
• 122.98.211.0/24
• 124.19.0.0/17
• 125.63.128.0/17
• 129.192.208.0/24
• 146.144.0.0/21
• 156.50.96.0/24
• 156.50.98.0/24
• 156.50.100.0/22
• 156.50.104.0/22
• 156.50.108.0/23
• 156.50.112.0/21
• 157.23.245.0/24
• 159.99.91.0/24
• 159.151.192.0/24
• 161.43.64.0/18
• 161.43.192.0/18
• 163.127.2.0/23
• 163.127.4.0/22
• 163.127.8.0/22
• 163.127.14.0/23
• 163.127.20.0/23
• 163.127.100.0/23
• 163.127.126.0/23
• 168.252.100.0/24
• 168.252.102.0/23
• 168.252.111.0/24
• 168.252.233.0/24
• 192.65.88.0/22
• 202.129.218.0/24
• 202.139.0.0/18
• 202.139.64.0/21
• 202.139.76.0/22
• 202.139.80.0/20
• 202.139.96.0/19
• 202.139.128.0/18
• 203.1.80.0/24
• 203.2.80.0/20
• 203.2.133.0/24
• 203.2.231.0/24
• 203.6.0.0/21
• 203.6.12.0/22
• 203.6.16.0/21
• 203.6.24.0/22
• 203.6.28.0/23
• 203.6.30.0/24
• 203.6.34.0/23
• 203.6.40.0/21
• 203.6.48.0/20
• 203.6.172.0/24
• 203.6.217.0/24
• 203.6.222.0/23

and 61 more.

Upstream networks

• AS3257 GTT Communications Inc.
• AS7473 Singapore Telecommunications Ltd
• AS1221 Telstra Limited
• AS148968 Falcore Investments Pty Ltd

Downstream networks

• AS4804 Microplex PTY LTD
• AS9723 iseek Communications Pty Ltd
• AS7545 TPG Telecom Limited
• AS23871 Australia Internet Solutions
• AS20940 Akamai International B.V.
• AS31898 Oracle Corporation
• AS55542 Roads and Maritime Services
• AS9313 Network Technology (AUST) P/L
• AS17978 SERVCORP AUSTRALIAN HOLDINGS LTD
• AS18390 Spintel Pty Ltd
• AS58507 Wireline
• AS136518 WA Government project
• AS46269 UKG Kronos Systems, LLC
• AS9426 Westpac Bank
• AS10105 OMNIconnect Pty Ltd
• AS133081 State Revenue Office Victoria
• AS3360 DXC US Latin America Corporation
• AS23922 BOX HILL INSTITUTE
• AS138681 AUSTRALIAN SECURITIES & INVESTMENTS COMMISSION (ASIC)
• AS132847 Network Solutions Group Pty Ltd
• AS9507 NextHop Pty Ltd
• AS32787 Akamai Technologies, Inc.
• AS7600 Escape.net
• AS24315 Ciphertel Pty Ltd
• AS38066 Department of Environment and Climate Change

Adjacent networks

• AS7473 Singapore Telecommunications Ltd
• AS3257 GTT Communications Inc.
• AS4804 Microplex PTY LTD
• AS9507 NextHop Pty Ltd
• AS20940 Akamai International B.V.
• AS17898 Brennan IT
• AS9723 iseek Communications Pty Ltd
• AS148968 Falcore Investments Pty Ltd
• AS7545 TPG Telecom Limited
• AS132847 Network Solutions Group Pty Ltd
• AS23871 Australia Internet Solutions
• AS18390 Spintel Pty Ltd
• AS31898 Oracle Corporation
• AS9313 Network Technology (AUST) P/L
• AS55542 Roads and Maritime Services
• AS17978 SERVCORP AUSTRALIAN HOLDINGS LTD
• AS45349 Telecom Fiji Ltd
• AS58507 Wireline
• AS136518 WA Government project
• AS46269 UKG Kronos Systems, LLC
• AS9426 Westpac Bank
• AS10105 OMNIconnect Pty Ltd
• AS1221 Telstra Limited
• AS133081 State Revenue Office Victoria
• AS3360 DXC US Latin America Corporation