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Autonomous System

AS54571

Cooley LLP

Announced IPs
768
CIDR prefixes
3
ASN
AS54571

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
50.59.105.0/24 256
0.0%
Cooley LLP US
173.227.174.0/24 256
0.0%
Cooley LLP US
217.163.117.0/24 256
0.0%
Cooley LLP GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS54571 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
217.163.117.0/24 9,106 2026-08-04 20:28:59
50.59.105.0/24 6,641 2026-08-04 20:15:46
173.227.174.0/24 4,440 2026-08-04 20:15:46

Frequently Asked Questions

What is AS54571?

AS54571 is an Autonomous System Number assigned to Cooley LLP. 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 AS54571 announce?

AS54571 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS54571?

AS54571 is operated by Cooley LLP. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS54571 registered in?

AS54571 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-04 20:40:31 UTC
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