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Autonomous System

AS33427

Washington State University

Announced IPs
1,280
CIDR prefixes
4
ASN
AS33427

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS33427 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
69.166.40.0/23 27,685 2026-07-26 07:04:45
69.166.61.0/24 27,586 2026-07-26 07:04:45
192.31.216.0/24 26,312 2026-07-26 07:03:49
134.121.189.0/24 24,124 2026-07-26 07:03:57

Frequently Asked Questions

What is AS33427?

AS33427 is an Autonomous System Number assigned to Washington State University. 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 AS33427 announce?

AS33427 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.

Who operates AS33427?

AS33427 is operated by Washington State University. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS33427 registered in?

AS33427 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: 2026-07-26 07:55:32 UTC
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