Network · AS394534

AS394534 City of Chicago

AS394534 (City of Chicago) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS394534

OwnerCity of Chicago
KindInternet service provider
Servers, not peopleno
IPv4 addresses66,560
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

167.165.0.0/16
216.125.144.0/22

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

Check an IP address →

Detect it in code

Spot AS394534 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 AS394534

Is AS394534 a datacenter or VPN network?

AS394534 (City of Chicago) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS394534?

AS394534 is registered to City of Chicago. It announces about 66,560 IPv4 addresses.

How do I detect traffic from AS394534?

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.