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Autonomous System

AS20091

City of Martinsville, VA

Announced IPs
1,280
CIDR prefixes
5
ASN
AS20091

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.

73/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20091 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
23.132.64.0/24 11,391 2026-07-23 17:19:21
70.33.142.0/24 11,154 2026-07-23 17:19:46
65.254.187.0/24 11,142 2026-07-23 17:19:43
70.33.158.0/24 11,123 2026-07-23 17:19:46
216.12.77.0/24 10,969 2026-07-23 17:21:06

Frequently Asked Questions

What is AS20091?

AS20091 is an Autonomous System Number assigned to City of Martinsville, VA. 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 AS20091 announce?

AS20091 announces 1.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS20091?

AS20091 is operated by City of Martinsville, VA. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS20091 registered in?

AS20091 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: 2026-07-23 17:25:31 UTC
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