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Autonomous System

AS25845

Virginia Mason Medical Center

Announced IPs
4,352
CIDR prefixes
2
ASN
AS25845

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
204.147.208.0/20 4.1K
0.0%
Virginia Mason Medical Center US Washington Seattle
192.152.45.0/24 256
0.0%
Virginia Mason Medical Center US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS25845 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.152.45.0/24 4,154 2026-08-01 15:31:26
204.147.220.0/22 4,064 2026-08-01 15:31:27
204.147.208.0/20 4,032 2026-08-01 15:31:26

Frequently Asked Questions

What is AS25845?

AS25845 is an Autonomous System Number assigned to Virginia Mason Medical Center. 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 AS25845 announce?

AS25845 announces 4.4K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS25845?

AS25845 is operated by Virginia Mason Medical Center. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS25845 registered in?

AS25845 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: 2026-08-01 15:40:30 UTC
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