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Organization

Institute of Science Tokyo

IPv4 addresses
65,536
CIDR ranges
1
Category
academic
BGP prefixes announced
2

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.

71/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by Institute of Science Tokyo

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by Institute of Science Tokyo

ASNNameIPsPrefixesCountry
AS9367 Institute of Science Tokyo 65.5K 1 JP

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
131.112.0.0/16 65.5K
3.7%
AS9367 JP Tokyo Minamiyukigaya

Frequently Asked Questions

How many IP addresses does Institute of Science Tokyo own?

Institute of Science Tokyo controls 65.5K IPv4 addresses distributed across 1 CIDR ranges. The organization is registered in Japan.

What ASNs does Institute of Science Tokyo operate?

Institute of Science Tokyo operates 1 Autonomous System. Each ASN represents an independently routed network that Institute of Science Tokyo manages for internet traffic delivery.

What type of organization is Institute of Science Tokyo?

Institute of Science Tokyo is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-31 01:10:31 UTC
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