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Autonomous System

AS53487

Vanguard Health Management, Inc.

Announced IPs
256
CIDR prefixes
1
ASN
AS53487

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
155.139.205.0/24 256
0.0%
Vanguard Health Management, Inc. US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS53487 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
155.139.205.0/24 9,947 2026-07-30 16:52:26

Frequently Asked Questions

What is AS53487?

AS53487 is an Autonomous System Number assigned to Vanguard Health Management, Inc.. 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 AS53487 announce?

AS53487 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS53487?

AS53487 is operated by Vanguard Health Management, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS53487 registered in?

AS53487 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: 2026-07-30 17:25:36 UTC
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