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Autonomous System

AS398665

COUNTY OF SAN BERNARDINO

Announced IPs
512
CIDR prefixes
2
ASN
AS398665

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.

73/100
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
8.7.17.0/24 256
0.0%
County of San Bernardino US
12.201.127.0/24 256
0.0%
County of San Bernardino US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS398665 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
8.7.17.0/24 7,222 2026-07-24 20:28:15
12.201.127.0/24 6,270 2026-07-24 20:28:15

Frequently Asked Questions

What is AS398665?

AS398665 is an Autonomous System Number assigned to COUNTY OF SAN BERNARDINO. 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 AS398665 announce?

AS398665 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS398665?

AS398665 is operated by County of San Bernardino. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS398665 registered in?

AS398665 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 22:25:31 UTC
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