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Autonomous System

AS400257

City of Rocklin

Announced IPs
256
CIDR prefixes
1
ASN
AS400257

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
207.167.125.0/24 256
5.9%
City of Rocklin US California Rocklin

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS400257 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
207.167.125.0/24 29,477 2026-07-23 20:04:58

Frequently Asked Questions

What is AS400257?

AS400257 is an Autonomous System Number assigned to City of Rocklin. 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 AS400257 announce?

AS400257 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS400257?

AS400257 is operated by City of Rocklin. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS400257 registered in?

AS400257 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: 2026-07-23 20:25:31 UTC
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