Network · AS394203

AS394203 Chicagoservers.org LLC

AS394203 (Chicagoservers.org LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS394203

OwnerChicagoservers.org LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges4
IPv6 ranges5

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

208.66.108.0/23
23.164.52.0/24
208.66.110.0/24
172.99.249.0/24

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

Check an IP address →

Detect it in code

Spot AS394203 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 AS394203

Is AS394203 a datacenter or VPN network?

AS394203 (Chicagoservers.org LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS394203?

AS394203 is registered to Chicagoservers.org LLC. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS394203?

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.