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Autonomous System

AS203354

Viewsat ltd.

Announced IPs
1,024
CIDR prefixes
1
ASN
AS203354

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
185.57.156.0/22 1.0K
0.0%
Viewsat ltd. GB
185.57.158.0/23 512
0.0%
GB
185.57.156.0/24 256
0.0%
GB
185.57.157.0/24 256
0.0%
BG

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS203354 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.57.157.0/24 6,870 2026-08-05 04:05:27
185.57.156.0/22 6,521 2026-08-05 04:05:27

Frequently Asked Questions

What is AS203354?

AS203354 is an Autonomous System Number assigned to Viewsat 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 AS203354 announce?

AS203354 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS203354?

AS203354 is operated by Viewsat ltd.. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS203354 registered in?

AS203354 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: 2026-08-05 04:40:31 UTC
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