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Organization

Osaka University

IPv4 addresses
67,584
CIDR ranges
2
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Countries served by Osaka University

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

ASNs owned by Osaka University

ASNNameIPsPrefixesCountry
AS4730 Osaka University 67.6K 2 JP

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
133.1.0.0/16 65.5K
15.6%
AS4730 JP Osaka Suita
192.50.0.0/21 2.0K
0.7%
AS4730 JP

Frequently Asked Questions

How many IP addresses does Osaka University own?

Osaka University controls 67.6K IPv4 addresses distributed across 2 CIDR ranges. The organization is registered in Japan.

What ASNs does Osaka University operate?

Osaka University operates 1 Autonomous System. Each ASN represents an independently routed network that Osaka University manages for internet traffic delivery.

What type of organization is Osaka University?

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

Last updated: 2026-07-21 23:40:31 UTC
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