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Autonomous System

AS186

The Catholic University of America

Announced IPs
8,448
CIDR prefixes
2
ASN
AS186

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
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About The Catholic University of America

The Catholic University of America (CUA) is a private Catholic research university in Washington, D.C., United States. It is one of two pontifical universities of the Catholic Church in the United States – the only one that is not primarily a seminary – and the only institution of higher education founded by the United States Conference of Catholic Bishops.

Founded
1887
Employees
1,820

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS186 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.31.193.0/24 8,091 2026-07-31 19:26:08
136.242.0.0/19 5,950 2026-07-31 18:56:16

Frequently Asked Questions

What is AS186?

AS186 is an Autonomous System Number assigned to The Catholic University of America. 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 AS186 announce?

AS186 announces 8.4K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS186?

AS186 is operated by The Catholic University of America. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS186 registered in?

AS186 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: 2026-07-31 20:10:33 UTC
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