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.
- Baseline (neutral) 65
- Academic allocation +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
The University of Tokyo — global IP footprint
Cities where The University of Tokyo has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Countries served by The University of Tokyo
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by The University of Tokyo
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 130.69.0.0/16 | 65.5K |
2.5%
|
AS2501 | JP | Tokyo | Yanaka |
| 133.11.0.0/16 | 65.5K |
15.3%
|
AS2501 | JP | Tokyo | Koishikawa |
| 157.82.0.0/16 | 65.5K |
21.1%
|
AS2501 | JP | Tokyo | Tokyo |
| 192.51.208.0/20 | 4.1K |
0.3%
|
AS2501 | JP | Tokyo | Matsubara |
Frequently Asked Questions
How many IP addresses does The University of Tokyo own?
The University of Tokyo controls 200.7K IPv4 addresses distributed across 4 CIDR ranges. The organization is registered in Japan.
What ASNs does The University of Tokyo operate?
The University of Tokyo operates 1 Autonomous System. Each ASN represents an independently routed network that The University of Tokyo manages for internet traffic delivery.
What type of organization is The University of Tokyo?
The University of Tokyo is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.