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WorldIP.io
Autonomous System

AS17551

Anycast Global Backbone

Announced IPs
31,744
CIDR prefixes
30
ASN
AS17551

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Australia
Peering policy No

Web3 footprint

AS17551 hosts 2 observed decentralized-network nodes across 2 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
117.53.128.0/20 4.1K
99.9%
Anycast Global Backbone AU Victoria Warragul
123.50.128.0/20 4.1K
97.4%
Anycast Global Backbone AU Western Australia Perth
110.232.240.0/21 2.0K
96.2%
Anycast Global Backbone AU Victoria Warragul
125.214.80.0/21 2.0K
99.4%
Anycast Global Backbone AU Victoria Warragul
125.254.120.0/21 2.0K
92.3%
Anycast Global Backbone AU Western Australia Perth
203.147.96.0/21 2.0K
98.7%
Anycast Global Backbone AU Victoria Warragul
14.192.56.0/22 1.0K
98.6%
Anycast Global Backbone AU Western Australia Perth
103.15.148.0/22 1.0K
99.2%
Anycast Global Backbone AU Queensland Brisbane
103.232.252.0/22 1.0K
96.7%
Anycast Global Backbone AU Victoria Warragul
103.240.228.0/22 1.0K
99.0%
Anycast Global Backbone AU Victoria Warragul
123.50.148.0/22 1.0K
96.7%
Anycast Global Backbone AU Victoria Melbourne
125.254.108.0/22 1.0K
93.7%
Anycast Global Backbone AU — —
125.254.116.0/22 1.0K
92.8%
Anycast Global Backbone AU Western Australia Perth
202.47.120.0/22 1.0K
99.3%
Anycast Global Backbone AU Victoria Warragul
203.83.4.0/22 1.0K
98.5%
Anycast Global Backbone AU Victoria Traralgon
210.56.224.0/22 1.0K
98.0%
Anycast Global Backbone AU Western Australia Perth
103.29.172.0/23 512
97.1%
Anycast Global Backbone AU Western Australia Perth
103.53.118.0/23 512
99.0%
Anycast Global Backbone AU New South Wales Sydney
103.227.64.0/23 512
96.9%
Anycast Global Backbone AU Victoria Warragul
165.101.148.0/23 512
0.4%
Anycast Global Backbone AU Tasmania Hobart
210.56.228.0/23 512
98.6%
Anycast Global Backbone AU New South Wales Sydney
210.56.254.0/23 512
99.0%
Anycast Global Backbone AU Queensland Brisbane
103.53.117.0/24 256
98.8%
Anycast Global Backbone AU Victoria Melbourne
125.254.104.0/24 256
96.1%
Anycast Global Backbone AU — —
202.169.22.0/24 256
98.0%
Anycast Global Backbone AU — —
203.22.132.0/24 256
99.2%
Anycast Global Backbone AU — —
203.27.231.0/24 256
98.4%
Anycast Global Backbone AU — —
203.30.68.0/24 256
98.0%
Anycast Global Backbone AU — —
210.56.237.0/24 256
99.6%
Anycast Global Backbone AU — —
210.56.243.0/24 256
98.8%
Anycast Global Backbone AU — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS17551 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.27.231.0/24 116,531 2026-11-06 17:47:11
203.147.96.0/21 115,211 2026-11-06 17:47:11
210.56.228.0/23 115,203 2026-11-06 17:47:11
210.56.254.0/23 115,083 2026-11-06 17:47:11
210.56.224.0/22 114,785 2026-11-06 17:47:11
202.47.120.0/22 114,480 2026-11-06 17:47:11
203.83.4.0/22 113,950 2026-11-06 17:47:11
203.30.68.0/24 113,916 2026-11-06 17:47:11
123.50.136.0/22 113,611 2026-11-06 17:46:42
123.50.128.0/20 113,493 2026-11-06 17:46:42
123.50.128.0/21 113,361 2026-11-06 17:46:42
123.50.140.0/22 113,307 2026-11-06 17:46:42
125.254.120.0/21 113,073 2026-11-06 17:46:42
125.254.118.0/23 113,036 2026-11-06 17:46:42
125.254.108.0/23 113,035 2026-11-06 17:46:42
123.50.148.0/22 113,027 2026-11-06 17:46:42
117.53.128.0/20 113,015 2026-11-06 17:46:42
125.254.116.0/23 112,877 2026-11-06 17:46:42
125.254.110.0/23 112,611 2026-11-06 17:46:42
125.214.80.0/21 112,397 2026-11-06 17:46:42
110.232.240.0/21 112,341 2026-11-06 17:46:42
103.232.252.0/22 110,901 2026-11-06 17:46:42
103.15.148.0/22 108,750 2026-11-06 17:46:42
103.227.64.0/23 108,666 2026-11-06 17:46:42
202.169.22.0/24 103,640 2026-11-06 17:47:11
125.254.120.0/22 102,727 2026-11-06 17:46:42
125.254.124.0/22 102,696 2026-11-06 17:46:42
203.22.132.0/24 97,137 2026-11-06 17:47:11
14.192.56.0/22 95,697 2026-11-06 17:46:42
210.56.243.0/24 85,495 2026-11-06 17:47:11
103.53.117.0/24 84,198 2026-11-06 17:46:42
103.53.118.0/24 78,720 2026-11-06 17:46:42
103.240.228.0/22 75,642 2026-11-06 17:13:01
210.56.237.0/24 75,592 2026-11-06 17:47:11
125.254.104.0/24 75,388 2026-11-06 17:46:42
103.29.173.0/24 75,293 2026-11-06 17:37:08
103.29.172.0/24 73,806 2026-11-06 17:46:42
103.53.119.0/24 70,109 2026-11-06 17:46:42
165.101.148.0/23 64,671 2026-11-06 17:47:11
165.101.148.0/22 32,355 2026-08-10 16:35:01

Frequently Asked Questions

What is AS17551?

AS17551 is an Autonomous System Number assigned to Anycast Global Backbone. 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 AS17551 announce?

AS17551 announces 31.7K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in Australia.

Who operates AS17551?

AS17551 is operated by Anycast Global Backbone. The organization is based in Australia. You can view all IP ranges and related ASNs on the organization page.

What country is AS17551 registered in?

AS17551 is registered in Australia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-06 17:54:06 UTC
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