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Autonomous System

AS7665

Okayama Prefectural Government

Announced IPs
8,192
CIDR prefixes
2
ASN
AS7665

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
122.152.16.0/20 4.1K
1.8%
Okayama Prefectural Government JP
210.236.96.0/20 4.1K
6.3%
Okayama Prefectural Government JP

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS7665 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
122.152.16.0/20 9,109 2026-07-31 18:56:04
210.236.96.0/20 5,102 2026-07-31 19:37:47

Frequently Asked Questions

What is AS7665?

AS7665 is an Autonomous System Number assigned to Okayama Prefectural Government. 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 AS7665 announce?

AS7665 announces 8.2K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Japan.

Who operates AS7665?

AS7665 is operated by Okayama Prefectural Government. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS7665 registered in?

AS7665 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 21:10:31 UTC
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