Network · AS40425

AS40425 GREAT LAKES DATA SYSTEMS, INC.

AS40425 (GREAT LAKES DATA SYSTEMS, INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40425

  • OwnerGREAT LAKES DATA SYSTEMS, INC.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 199.242.135.0/24

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

Check an IP address →

Detect it in code

Spot AS40425 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 AS40425

Is AS40425 a datacenter or VPN network?

AS40425 (GREAT LAKES DATA SYSTEMS, INC.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40425?

AS40425 is registered to GREAT LAKES DATA SYSTEMS, INC.. It announces about 256 IPv4 addresses.

How do I detect traffic from AS40425?

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.