Network · AS6325

AS6325 Illinois Century Network

AS6325 (Illinois Century Network) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS6325

  • OwnerIllinois Century Network
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses725,504
  • IPv4 ranges157
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 209.7.0.0/16
  • 163.191.0.0/16
  • 72.3.0.0/17
  • 216.124.0.0/17
  • 206.166.0.0/17
  • 66.99.64.0/18
  • 66.99.128.0/18
  • 64.107.192.0/18
  • 216.125.64.0/18
  • 216.124.192.0/18
  • 209.175.192.0/18
  • 209.174.64.0/18

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

Check an IP address →

Detect it in code

Spot AS6325 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 AS6325

Is AS6325 a datacenter or VPN network?

AS6325 (Illinois Century Network) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS6325?

AS6325 is registered to Illinois Century Network. It announces about 725,504 IPv4 addresses.

How do I detect traffic from AS6325?

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.