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Autonomous System

AS20105

University of Richmond

Announced IPs
65,536
CIDR prefixes
1
ASN
AS20105

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.

71/100
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

CIDRIPsPTR DensityOrganizationCountryStateCity
141.166.0.0/16 65.5K
0.2%
University of Richmond US Virginia Mechanicsville

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20105 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
141.166.96.0/19 20,604 2026-07-21 10:51:06
141.166.144.0/20 20,601 2026-07-21 10:51:06
141.166.160.0/19 20,597 2026-07-21 10:51:06
141.166.32.0/19 20,576 2026-07-21 10:51:06
141.166.0.0/16 14,375 2026-07-21 10:51:06
141.166.128.0/20 7,905 2026-07-21 11:21:11
141.166.224.0/19 7,494 2026-07-21 11:21:11

Frequently Asked Questions

What is AS20105?

AS20105 is an Autonomous System Number assigned to University of Richmond. 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 AS20105 announce?

AS20105 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS20105?

AS20105 is operated by University of Richmond. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS20105 registered in?

AS20105 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: 2026-07-21 11:40:31 UTC
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