Network · AS3676

AS3676 University of Iowa

AS3676 (University of Iowa) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3676

OwnerUniversity of Iowa
KindInternet service provider
Servers, not peopleno
IPv4 addresses131,328
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

129.255.0.0/16
128.255.0.0/16
198.49.182.0/24

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

Check an IP address →

Detect it in code

Spot AS3676 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 AS3676

Is AS3676 a datacenter or VPN network?

AS3676 (University of Iowa) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3676?

AS3676 is registered to University of Iowa. It announces about 131,328 IPv4 addresses.

How do I detect traffic from AS3676?

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.