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 →
Countries served by University of Tsukuba
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by University of Tsukuba
Largest CIDR ranges
| CIDR | IPs | PTR Density | ASN | Country | State | City |
|---|---|---|---|---|---|---|
| 130.158.0.0/16 | 65.5K |
2.3%
|
AS37917 | JP | Ibaraki | Tsukuba |
| 133.51.0.0/16 | 65.5K |
26.9%
|
AS37917 | JP | Ibaraki | Tsukuba |
| 163.220.252.0/22 | 1.0K |
14.5%
|
AS37917 | JP | — | — |
Frequently Asked Questions
How many IP addresses does University of Tsukuba own?
University of Tsukuba controls 132.1K IPv4 addresses distributed across 3 CIDR ranges. The organization is registered in Japan.
What ASNs does University of Tsukuba operate?
University of Tsukuba operates 1 Autonomous System. Each ASN represents an independently routed network that University of Tsukuba manages for internet traffic delivery.
What type of organization is University of Tsukuba?
University of Tsukuba is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.
