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Autonomous System

AS394747

National Collegiate Athletic Association (NCAA)

Announced IPs
256
CIDR prefixes
1
ASN
AS394747

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
149.165.251.0/24 256
14.8%
National Collegiate Athletic Association NCAA US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS394747 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
149.165.251.0/24 5,296 2026-07-24 18:06:09

Frequently Asked Questions

What is AS394747?

AS394747 is an Autonomous System Number assigned to National Collegiate Athletic Association (NCAA). 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 AS394747 announce?

AS394747 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS394747?

AS394747 is operated by National Collegiate Athletic Association NCAA. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS394747 registered in?

AS394747 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: 2026-07-24 18:10:32 UTC
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