AS7474 SingTel Optus Pty Ltd

OPTUSCOM-AS01-AU - SingTel Optus Pty Ltd · registered in Australia

IPv4 addresses516,352226 prefixes · 0.016% of announced IPv4

Rank in Australia#10largest network in AU by IPv4 space, of 1,660 · 1.33% of AU

Rank worldwide#570of 79,396 networks with IPv4

IPv665,535 x /4835 prefixes

CountryAustralia1,688 ASNs registered there

Open AS7474 in ASN lookup Look up an IP in this network (1.44.8.1) All networks in Australia

IPv4 prefixes

All 226 prefixes, in address order.

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
59.154.96.0/20
59.154.112.0/21
59.154.120.0/22
59.154.124.0/22
59.154.128.0/19
59.154.160.0/21
59.154.168.0/22
59.154.172.0/23
59.154.174.0/23
59.154.176.0/22
59.154.180.0/24
59.154.181.0/24
59.154.182.0/23
59.154.184.0/21
59.154.192.0/18
61.88.0.0/22
61.88.4.0/24
61.88.5.0/24
61.88.6.0/23
61.88.8.0/21
61.88.16.0/20
61.88.32.0/20
61.88.48.0/22
61.88.52.0/22
61.88.56.0/21
61.88.64.0/19
61.88.96.0/20
61.88.112.0/23
61.88.114.0/23
61.88.116.0/22
61.88.120.0/22
61.88.124.0/23
61.88.126.0/23
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
124.19.0.0/18
124.19.64.0/21
124.19.72.0/23
124.19.74.0/23
124.19.76.0/22
124.19.80.0/20
124.19.96.0/19
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
202.139.0.0/20
202.139.16.0/21
202.139.24.0/23
202.139.26.0/24
202.139.27.0/24
202.139.28.0/22
202.139.32.0/24
202.139.33.0/24
202.139.34.0/23
202.139.36.0/23
202.139.38.0/24
202.139.39.0/24
202.139.40.0/22
202.139.44.0/24
202.139.45.0/24
202.139.46.0/23
202.139.48.0/21
202.139.56.0/22
202.139.60.0/23
202.139.62.0/24
202.139.63.0/24
202.139.64.0/24
202.139.65.0/24
202.139.66.0/23
202.139.68.0/22
202.139.76.0/22
202.139.80.0/23
202.139.82.0/24
202.139.83.0/24
202.139.84.0/22
202.139.88.0/21
202.139.96.0/19
202.139.128.0/20
202.139.144.0/21
202.139.152.0/22
202.139.156.0/23
202.139.158.0/23
202.139.160.0/20
202.139.176.0/22
202.139.180.0/24
202.139.181.0/24
202.139.182.0/23
202.139.184.0/23
202.139.186.0/23
202.139.188.0/22
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
203.13.96.0/24
203.13.98.0/24
203.13.125.0/24
203.13.126.0/23
203.13.128.0/23
203.16.69.0/24
203.16.71.0/24
203.16.75.0/24
203.16.76.0/23
203.16.78.0/24
203.16.80.0/24
203.16.108.0/23
203.16.185.0/24
203.22.195.0/24
203.23.78.0/24
203.25.128.0/24
203.28.116.0/23
203.33.149.0/24
203.34.40.0/24
203.55.225.0/24
203.57.56.0/23
203.57.124.0/23
203.57.223.0/24
203.202.1.0/24
203.202.2.0/23
203.202.4.0/22
203.202.8.0/21
203.202.16.0/20
203.202.32.0/20
203.202.48.0/22
203.202.54.0/23
203.202.56.0/21
203.202.64.0/19
203.202.96.0/21
203.202.104.0/24
203.202.105.0/24
203.202.106.0/23
203.202.108.0/22
203.202.112.0/24
203.202.113.0/24
203.202.114.0/23
203.202.116.0/22
203.202.120.0/21
203.202.128.0/18
220.101.0.0/19
220.101.32.0/20
220.101.48.0/22
220.101.53.0/24
220.101.54.0/23
220.101.56.0/21
220.101.64.0/18

IPv6 prefixes

All 35 prefixes.

2405:9000::/41
2405:9000:81::/48
2405:9000:82::/47
2405:9000:84::/46
2405:9000:88::/45
2405:9000:91::/48
2405:9000:92::/47
2405:9000:94::/46
2405:9000:98::/45
2405:9000:a0::/43
2405:9000:c0::/42
2405:9000:100::/41
2405:9000:180::/42
2405:9000:1c0::/43
2405:9000:1e0::/44
2405:9000:1f0::/45
2405:9000:1f8::/46
2405:9000:1fc::/48
2405:9000:1fd::/48
2405:9000:1fe::/47
2405:9000:200::/46
2405:9000:204::/46
2405:9000:208::/45
2405:9000:210::/44
2405:9000:220::/43
2405:9000:240::/42
2405:9000:280::/41
2405:9000:300::/40
2405:9000:400::/38
2405:9000:800::/37
2405:9000:1000::/36
2405:9000:2000::/35
2405:9000:4000::/34
2405:9000:8000::/33
2602:810:20e0::/48

Other ASNs named SingTel Optus Pty Ltd

1 other network uses the same organisation name; together with AS7474 they announce 516,352 IPv4 addresses.

ASNNameIPv4 addresses

AS17719OPTUSCOM-AS02-AU-AP - SingTel Optus Pty Ltd AUIPv6 only

Similar-sized networks in Australia

ASNNameIPv4 addresses

AS2764#7 AAPT - AAPT Limited1,049,600

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AS135887#11 TELSTRA-BELONG-AP - Belong (Telstra Limited)458,752

AS4764#12 WIDEBAND-AS-AP - Aussie Broadband394,496

AS4826#13 VOCUS-BACKBONE-AS - Vocus Connect International Backbone329,728

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources