Network · AS201126

AS201126 CDW Ltd

AS201126 (CDW Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS201126

  • OwnerCDW Ltd
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,096
  • IPv4 ranges10
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 157.97.128.0/22
  • 185.74.26.0/23
  • 185.176.242.0/23
  • 153.92.44.0/23
  • 91.240.17.0/24
  • 194.105.149.0/24
  • 188.116.54.0/24
  • 185.74.25.0/24
  • 153.92.46.0/24
  • 153.92.43.0/24

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

Check an IP address →

Detect it in code

Spot AS201126 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 AS201126

Is AS201126 a datacenter or VPN network?

AS201126 (CDW Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS201126?

AS201126 is registered to CDW Ltd. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS201126?

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.