Network · AS18555

AS18555 The Art Institute of Chicago

AS18555 (The Art Institute of Chicago) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18555

  • OwnerThe Art Institute of Chicago
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,096
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 198.40.16.0/20

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

Check an IP address →

Detect it in code

Spot AS18555 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 AS18555

Is AS18555 a datacenter or VPN network?

AS18555 (The Art Institute of Chicago) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18555?

AS18555 is registered to The Art Institute of Chicago. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS18555?

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.