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Autonomous System

AS211252

Marushin K.K.

Announced IPs
1,024
CIDR prefixes
1
ASN
AS211252

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
103.20.36.0/22 1.0K
0.0%
Akari Networks K.K. AU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS211252 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
103.20.36.0/23 15,067 2026-08-04 10:05:40
103.20.38.0/23 14,952 2026-08-04 10:05:40

Frequently Asked Questions

What is AS211252?

AS211252 is an Autonomous System Number assigned to Marushin K.K.. 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 AS211252 announce?

AS211252 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Japan.

Who operates AS211252?

AS211252 is operated by Marushin K.K.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS211252 registered in?

AS211252 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-04 10:25:32 UTC
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