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Autonomous System

AS394240

City of Walnut Creek

Announced IPs
256
CIDR prefixes
1
ASN
AS394240

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
192.225.153.0/24 256
0.4%
City of Walnut Creek US California Walnut Creek

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS394240 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.225.153.0/24 7,450 2026-07-22 12:28:59

Frequently Asked Questions

What is AS394240?

AS394240 is an Autonomous System Number assigned to City of Walnut Creek. 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 AS394240 announce?

AS394240 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS394240?

AS394240 is operated by City of Walnut Creek. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS394240 registered in?

AS394240 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: 2026-07-22 12:25:32 UTC
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