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Autonomous System

AS7474

SingTel Optus Pty Ltd

Announced IPs
515,328
CIDR prefixes
140
ASN
AS7474

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

58/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Isp allocation +5
  • Trust score 58 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Optus

Singtel Optus Pty Limited is a major Australian telecommunications company headquartered in Macquarie Park, Sydney. Optus is the second-largest telecommunications company in Australia, with over 11 million customers as of 2023.

Founded
1981
Headquarters
Sydney
Industry
telecommunications
Parent
Singtel
Employees
8,700

⚠ 5 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS7474 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
168.252.111.0/24 AS2764, AS7474 2026-07-23 18:08:41
168.252.102.0/24 AS2764, AS7474 2026-07-23 18:08:41
168.252.100.0/24 AS2764, AS7474 2026-07-22 23:23:24
203.16.185.0/24 AS7474, AS154570 2026-07-22 23:23:24
168.252.103.0/24 AS2764, AS7474 2026-07-22 23:23:24

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 1-5Tbps
Geographic scope Australia
Traffic ratio Not Disclosed
Peering policy Selective
IRR record APNIC::AS7474:AS-OPTUS

AS7474 — global IP footprint

Cities where AS7474 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
1.44.128.0/17 32.8K
0.0%
SingTel Optus Pty Ltd AU South Australia Adelaide
59.154.128.0/17 32.8K
8.8%
SingTel Optus Pty Ltd AU Victoria Melbourne
61.88.0.0/17 32.8K
3.4%
SingTel Optus Pty Ltd AU New South Wales Sydney
119.225.0.0/17 32.8K
2.5%
SingTel Optus Pty Ltd AU New South Wales Sydney
124.19.0.0/17 32.8K
0.6%
SingTel Optus Pty Ltd AU New South Wales Sydney
125.63.128.0/17 32.8K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
59.154.0.0/18 16.4K
6.1%
SingTel Optus Pty Ltd AU South Australia St Clair
119.225.128.0/18 16.4K
0.9%
SingTel Optus Pty Ltd AU Victoria Melbourne
161.43.64.0/18 16.4K
0.9%
SingTel Optus Pty Ltd AU New South Wales Sydney
161.43.192.0/18 16.4K
11.5%
SingTel Optus Pty Ltd AU Victoria Melbourne
202.139.0.0/18 16.4K
8.3%
SingTel Optus Pty Ltd AU Victoria Pakenham
202.139.128.0/18 16.4K
7.8%
SingTel Optus Pty Ltd AU Western Australia Perth
203.202.64.0/18 16.4K
10.1%
SingTel Optus Pty Ltd AU
203.202.128.0/18 16.4K
5.1%
SingTel Optus Pty Ltd AU
220.101.64.0/18 16.4K
0.6%
SingTel Optus Pty Ltd AU Victoria Melbourne
1.44.64.0/19 8.2K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
59.154.96.0/19 8.2K
12.6%
SingTel Optus Pty Ltd AU New South Wales Sydney
61.88.128.0/19 8.2K
18.3%
SingTel Optus Pty Ltd AU New South Wales Sydney
202.139.96.0/19 8.2K
18.1%
SingTel Optus Pty Ltd AU
203.202.160.0/19 8.2K
0.0%
SingTel Optus Pty Ltd AU
220.101.0.0/19 8.2K
0.8%
SingTel Optus Pty Ltd AU New South Wales Sydney
1.44.32.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU
1.44.112.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
59.154.64.0/20 4.1K
16.7%
SingTel Optus Pty Ltd AU Victoria Melbourne
61.88.160.0/20 4.1K
20.5%
SingTel Optus Pty Ltd AU New South Wales Sydney
61.88.192.0/20 4.1K
0.7%
SingTel Optus Pty Ltd AU
119.225.192.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
119.225.224.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU
202.139.80.0/20 4.1K
3.7%
SingTel Optus Pty Ltd AU
203.2.80.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU Victoria Melbourne
203.6.48.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU
203.202.16.0/20 4.1K
4.3%
SingTel Optus Pty Ltd AU
203.202.32.0/20 4.1K
2.1%
SingTel Optus Pty Ltd AU
203.202.144.0/20 4.1K
0.0%
SingTel Optus Pty Ltd AU
220.101.32.0/20 4.1K
0.4%
SingTel Optus Pty Ltd AU Victoria Melbourne
1.44.8.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
1.44.16.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
1.44.56.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
1.44.104.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
59.154.88.0/21 2.0K
17.7%
SingTel Optus Pty Ltd AU Victoria Melbourne
61.88.176.0/21 2.0K
8.7%
SingTel Optus Pty Ltd AU
61.88.208.0/21 2.0K
1.0%
SingTel Optus Pty Ltd AU
119.225.208.0/21 2.0K
2.8%
SingTel Optus Pty Ltd AU
119.225.248.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
146.144.0.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU Victoria Shepparton
156.50.112.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
202.139.64.0/21 2.0K
0.1%
SingTel Optus Pty Ltd AU
203.6.0.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
203.6.16.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
203.6.40.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
203.202.8.0/21 2.0K
2.3%
SingTel Optus Pty Ltd AU
203.202.56.0/21 2.0K
1.0%
SingTel Optus Pty Ltd AU
203.202.128.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU
220.101.56.0/21 2.0K
0.0%
SingTel Optus Pty Ltd AU Victoria Melbourne
1.44.100.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU
59.154.84.0/22 1.0K
10.7%
SingTel Optus Pty Ltd AU New South Wales Sydney
61.88.216.0/22 1.0K
1.3%
SingTel Optus Pty Ltd AU
119.225.220.0/22 1.0K
3.1%
SingTel Optus Pty Ltd AU
156.50.100.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
156.50.104.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU New South Wales Sydney
163.127.4.0/22 1.0K
3.6%
SingTel Optus Pty Ltd AU
163.127.8.0/22 1.0K
3.6%
SingTel Optus Pty Ltd AU
192.65.88.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU
202.139.76.0/22 1.0K
32.8%
SingTel Optus Pty Ltd AU
203.6.12.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU
203.6.24.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU
203.202.4.0/22 1.0K
0.6%
SingTel Optus Pty Ltd AU
203.202.48.0/22 1.0K
0.2%
SingTel Optus Pty Ltd AU
203.202.136.0/22 1.0K
0.0%
SingTel Optus Pty Ltd AU
220.101.48.0/22 1.0K
0.8%
SingTel Optus Pty Ltd AU New South Wales Central Coast
1.44.98.0/23 512
0.0%
SingTel Optus Pty Ltd AU
59.154.82.0/23 512
15.4%
SingTel Optus Pty Ltd AU New South Wales Sydney
61.88.188.0/23 512
0.2%
SingTel Optus Pty Ltd AU
103.133.118.0/23 512
0.0%
SingTel Optus Pty Ltd NZ
103.237.136.0/23 512
0.0%
SingTel Optus Pty Ltd AU Queensland Neranwood
119.225.218.0/23 512
0.0%
SingTel Optus Pty Ltd AU
156.50.108.0/23 512
0.0%
SingTel Optus Pty Ltd AU
163.127.2.0/23 512
22.7%
SingTel Optus Pty Ltd AU
163.127.14.0/23 512
0.0%
SingTel Optus Pty Ltd AU
163.127.20.0/23 512
4.9%
SingTel Optus Pty Ltd AU Australian Capital Territory Canberra
163.127.100.0/23 512
0.0%
SingTel Optus Pty Ltd AU
163.127.126.0/23 512
0.0%
SingTel Optus Pty Ltd AU
168.252.102.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.6.28.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.6.34.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.6.222.0/23 512
0.0%
SingTel Optus Pty Ltd AU Victoria Lara
203.13.126.0/23 512
2.5%
SingTel Optus Pty Ltd AU
203.13.128.0/23 512
6.4%
SingTel Optus Pty Ltd AU New South Wales Sydney
203.16.76.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.16.108.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.28.116.0/23 512
1.6%
SingTel Optus Pty Ltd AU
203.57.56.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.57.124.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.202.2.0/23 512
2.3%
SingTel Optus Pty Ltd AU
203.202.54.0/23 512
0.0%
SingTel Optus Pty Ltd AU
203.202.140.0/23 512
0.0%
SingTel Optus Pty Ltd AU
220.101.50.0/23 512
0.0%
SingTel Optus Pty Ltd AU
220.101.54.0/23 512
0.8%
SingTel Optus Pty Ltd AU Victoria Melbourne
1.44.97.0/24 256
0.0%
SingTel Optus Pty Ltd AU
43.247.72.0/24 256
0.0%
SingTel Optus Pty Ltd JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7474 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.202.104.0/24 19,693 2026-07-23 17:49:23
124.19.97.0/24 19,005 2026-07-23 17:50:59
103.77.128.0/24 15,704 2026-07-23 17:50:38
157.23.245.0/24 15,628 2026-07-23 17:51:21
122.98.211.0/24 15,569 2026-07-23 17:49:23
202.129.218.0/24 15,204 2026-07-23 17:50:38
103.155.181.0/24 13,768 2026-07-23 17:49:23
146.144.0.0/21 13,705 2026-07-23 17:49:23
103.154.249.0/24 13,562 2026-07-23 17:49:23
203.16.185.0/24 13,448 2026-07-23 17:49:23
122.98.208.0/24 13,407 2026-07-23 17:49:23
103.105.219.0/24 13,192 2026-07-23 17:50:39
203.33.149.0/24 13,000 2026-07-23 17:49:23
1.44.160.0/23 12,863 2026-07-23 17:48:42
1.44.162.0/23 12,826 2026-07-23 17:48:42
61.88.48.0/22 11,900 2026-07-23 17:50:02
61.88.124.0/23 11,858 2026-07-23 17:50:02
61.88.112.0/23 11,818 2026-07-23 17:50:02
59.154.254.0/24 11,703 2026-07-23 17:50:07
59.154.235.0/24 11,655 2026-07-23 17:50:07
59.154.236.0/22 11,638 2026-07-23 17:50:07
59.154.122.0/23 11,633 2026-07-23 17:50:07
59.154.173.0/24 11,627 2026-07-23 17:50:07
59.154.242.0/23 11,596 2026-07-23 17:50:07
202.139.20.0/22 11,589 2026-07-23 17:50:07
59.154.252.0/23 11,587 2026-07-23 17:50:07
124.19.88.0/21 11,578 2026-07-23 17:50:07
124.19.84.0/22 11,571 2026-07-23 17:50:07
59.154.241.0/24 11,571 2026-07-23 17:50:07
61.88.92.0/22 11,468 2026-07-23 17:50:07
202.139.32.0/24 11,462 2026-07-23 17:50:07
202.139.26.0/24 11,455 2026-07-23 17:50:07
124.19.76.0/22 11,451 2026-07-23 17:50:07
161.43.192.0/20 11,417 2026-07-23 17:50:07
202.139.64.0/24 11,362 2026-07-23 17:49:23
202.139.183.0/24 11,356 2026-07-23 17:49:23
202.139.180.0/24 11,354 2026-07-23 17:49:23
202.139.8.0/23 11,351 2026-07-23 17:49:23
202.139.10.0/23 11,350 2026-07-23 17:49:23
202.139.188.0/24 11,336 2026-07-23 17:49:23
203.16.77.0/24 11,330 2026-07-23 17:49:23
202.139.157.0/24 11,327 2026-07-23 17:49:23
202.139.184.0/24 11,313 2026-07-23 17:49:23
202.139.38.0/24 11,293 2026-07-23 17:49:23
203.16.69.0/24 11,229 2026-07-23 17:49:23
202.139.189.0/24 11,222 2026-07-23 17:49:23
203.202.191.0/24 11,193 2026-07-23 17:49:23
203.16.78.0/24 11,181 2026-07-23 17:49:23
203.16.80.0/24 11,158 2026-07-23 17:49:23
43.247.72.0/24 11,129 2026-07-23 17:49:23

Showing top 50 of 153 announced prefixes by sample volume.

Frequently Asked Questions

What is AS7474?

AS7474 is an Autonomous System Number assigned to SingTel Optus Pty Ltd. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS7474 announce?

AS7474 announces 515.3K IPv4 addresses distributed across 140 routed CIDR prefixes. The network is registered in Australia.

Who operates AS7474?

AS7474 is operated by SingTel Optus Pty Ltd. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS7474 registered in?

AS7474 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 17:55:31 UTC
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