Network · AS3582

AS3582 University of Oregon

AS3582 (University of Oregon) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3582

OwnerUniversity of Oregon
KindInternet service provider
Servers, not peopleno
IPv4 addresses149,504
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

128.223.0.0/16
184.171.0.0/17
163.41.128.0/17
207.98.0.0/18
207.98.72.0/21

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS3582 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'

import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])

const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);

Questions

About AS3582

Is AS3582 a datacenter or VPN network?

AS3582 (University of Oregon) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3582?

AS3582 is registered to University of Oregon. It announces about 149,504 IPv4 addresses.

How do I detect traffic from AS3582?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.