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Autonomous System

AS46543

University of Maryland, Baltimore

Announced IPs
65,536
CIDR prefixes
1
ASN
AS46543

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
134.192.0.0/16 65.5K
1.7%
University of Maryland, Baltimore US Maryland Baltimore

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS46543 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
134.192.0.0/16 5,417 2026-07-23 17:20:21

Frequently Asked Questions

What is AS46543?

AS46543 is an Autonomous System Number assigned to University of Maryland, Baltimore. 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 AS46543 announce?

AS46543 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS46543?

AS46543 is operated by University of Maryland, Baltimore. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS46543 registered in?

AS46543 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 17:40:32 UTC
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