AS17551 Anycast Global Backbone — IPv4 Prefixes

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

Baseline (neutral) 65
Trust score 65 / 100

Experimental · trust-vectors model v1.1.0 — 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

Website ↗

AS17551 — global IP footprint

Cities where AS17551 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

CIDR	IPs	PTR Density	Organization	Country	State	City
117.53.128.0/20	4.1K	99.6%	Anycast Global Backbone	AU	Victoria	Drouin
123.50.128.0/20	4.1K	97.4%	Anycast Global Backbone	AU	Western Australia	Perth
110.232.240.0/21	2.0K	92.0%	Anycast Global Backbone	AU	Victoria	Warragul
125.214.80.0/21	2.0K	94.1%	Anycast Global Backbone	AU	Victoria	Warragul
125.254.120.0/21	2.0K	90.8%	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	98.4%	Anycast Global Backbone	AU	Western Australia	Perth
103.15.148.0/22	1.0K	92.9%	Anycast Global Backbone	AU	Victoria	Drouin
103.232.252.0/22	1.0K	93.6%	Anycast Global Backbone	AU	Victoria	Drouin
103.240.228.0/22	1.0K	91.9%	Anycast Global Backbone	AU	Victoria	Warragul
123.50.148.0/22	1.0K	96.9%	Anycast Global Backbone	AU	Victoria	Melbourne
125.254.108.0/22	1.0K	92.7%	Anycast Global Backbone	AU	New South Wales	Sydney
125.254.116.0/22	1.0K	91.7%	Anycast Global Backbone	AU	Western Australia	Perth
202.47.120.0/22	1.0K	97.2%	Anycast Global Backbone	AU	Victoria	Warragul
203.83.4.0/22	1.0K	98.4%	Anycast Global Backbone	AU	Victoria	Traralgon
210.56.224.0/22	1.0K	87.5%	Anycast Global Backbone	AU	Western Australia	Perth
103.29.172.0/23	512	88.5%	Anycast Global Backbone	AU	Western Australia	Perth
103.53.118.0/23	512	97.5%	Anycast Global Backbone	AU	New South Wales	Sydney
103.227.64.0/23	512	94.5%	Anycast Global Backbone	AU	Victoria	Leongatha
165.101.148.0/23	512	0.2%	Anycast Global Backbone	AU	Tasmania	Hobart
210.56.228.0/23	512	84.4%	Anycast Global Backbone	AU	New South Wales	Sydney
210.56.254.0/23	512	86.9%	Anycast Global Backbone	AU	Queensland	Brisbane
103.53.117.0/24	256	95.7%	Anycast Global Backbone	AU	Victoria	Melbourne
125.254.104.0/24	256	95.7%	Anycast Global Backbone	AU	Queensland	Brisbane
202.169.22.0/24	256	96.5%	Anycast Global Backbone	AU	—	—
203.22.132.0/24	256	93.0%	Anycast Global Backbone	AU	—	—
203.27.231.0/24	256	92.2%	Anycast Global Backbone	AU	—	—
203.30.68.0/24	256	94.5%	Anycast Global Backbone	AU	—	—
210.56.237.0/24	256	85.5%	Anycast Global Backbone	AU	—	—
210.56.241.0/24	256	87.5%	Anycast Global Backbone	AU	—	—
210.56.243.0/24	256	87.1%	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.

Prefix	Announcement samples	Last seen
210.56.243.0/24	27,292	2026-07-23 01:18:37
210.56.254.0/23	26,852	2026-07-23 01:18:37
203.83.4.0/22	26,850	2026-07-23 01:18:37
210.56.224.0/22	26,834	2026-07-23 01:18:37
203.27.231.0/24	26,814	2026-07-23 01:18:37
203.22.132.0/24	26,806	2026-07-23 01:18:37
210.56.228.0/23	26,778	2026-07-23 01:18:37
203.30.68.0/24	26,777	2026-07-23 01:18:37
203.147.96.0/21	26,764	2026-07-23 01:18:37
202.47.120.0/22	26,725	2026-07-23 01:18:07
165.101.148.0/22	26,378	2026-07-23 01:18:06
103.53.118.0/24	26,353	2026-07-23 01:18:07
123.50.128.0/20	26,251	2026-07-23 01:18:07
123.50.148.0/22	26,238	2026-07-23 01:18:07
123.50.136.0/22	26,221	2026-07-23 01:18:07
123.50.140.0/22	26,207	2026-07-23 01:18:07
123.50.128.0/21	26,186	2026-07-23 01:18:07
125.214.80.0/21	26,184	2026-07-23 01:18:07
125.254.120.0/21	26,182	2026-07-23 01:18:07
117.53.128.0/20	26,166	2026-07-23 01:18:07
103.53.117.0/24	26,155	2026-07-23 01:18:07
125.254.118.0/23	26,146	2026-07-23 01:18:07
125.254.108.0/23	26,139	2026-07-23 01:18:07
125.254.110.0/23	26,128	2026-07-23 01:18:07
125.254.116.0/23	26,127	2026-07-23 01:18:07
110.232.240.0/21	26,065	2026-07-23 01:18:07
103.232.252.0/22	26,038	2026-07-23 01:18:07
103.15.148.0/22	25,884	2026-07-23 01:18:07
103.29.172.0/24	25,833	2026-07-23 01:18:07
14.192.56.0/22	25,506	2026-07-23 01:18:07
103.227.64.0/23	25,363	2026-07-23 01:18:07
103.29.173.0/24	24,978	2026-07-23 01:18:07
210.56.237.0/24	23,116	2026-07-23 00:00:22
103.53.119.0/24	22,940	2026-07-23 00:00:22
103.240.228.0/22	22,610	2026-07-23 01:18:06
202.169.22.0/24	22,533	2026-07-23 00:00:22
125.254.124.0/22	22,410	2026-07-23 00:00:22
125.254.120.0/22	22,396	2026-07-23 00:00:22
125.254.104.0/24	880	2026-07-22 05:34:12

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 32.0K IPv4 addresses distributed across 31 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.