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Autonomous System

AS57408

Reed Smith LLP

Announced IPs
256
CIDR prefixes
1
ASN
AS57408

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
149.255.42.0/24 256
2.7%
REED SMITH LLP GB England Brent

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS57408 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
149.255.42.0/24 7,239 2026-07-31 09:25:58

Frequently Asked Questions

What is AS57408?

AS57408 is an Autonomous System Number assigned to Reed Smith 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 AS57408 announce?

AS57408 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS57408?

AS57408 is operated by REED SMITH LLP. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS57408 registered in?

AS57408 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 09:40:31 UTC
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