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Autonomous System

AS399432

Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas

Announced IPs
256
CIDR prefixes
1
ASN
AS399432

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
63.215.122.0/24 256
0.0%
Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS399432 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
63.215.122.0/24 3,465 2026-07-24 07:21:36

Frequently Asked Questions

What is AS399432?

AS399432 is an Autonomous System Number assigned to Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas. 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 AS399432 announce?

AS399432 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS399432?

AS399432 is operated by Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS399432 registered in?

AS399432 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 07:40:30 UTC
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