AS17960
University of the Ryukyus
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 133.13.0.0/16 | 65.5K |
19.1%
|
University of the Ryukyus | JP | Okinawa | Minamiuebaru |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17960 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 133.13.0.0/16 | 4,368 | 2026-07-26 11:52:26 |
Frequently Asked Questions
What is AS17960?
AS17960 is an Autonomous System Number assigned to University of the Ryukyus. 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 AS17960 announce?
AS17960 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Japan.
Who operates AS17960?
AS17960 is operated by University of the Ryukyus. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS17960 registered in?
AS17960 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
