Network · AS20836

AS20836 CDLAN SpA

AS20836 (CDLAN SpA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20836

  • OwnerCDLAN SpA
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses26,112
  • IPv4 ranges19
  • IPv6 ranges4
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 95.157.64.0/19
  • 95.157.112.0/20
  • 217.171.32.0/20
  • 95.157.104.0/21
  • 178.249.184.0/21
  • 95.157.100.0/22
  • 185.47.228.0/22
  • 95.157.98.0/23
  • 185.164.176.0/23
  • 95.157.97.0/24
  • 91.142.143.0/24
  • 5.253.198.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS20836 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 AS20836

Is AS20836 a datacenter or VPN network?

AS20836 (CDLAN SpA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20836?

AS20836 is registered to CDLAN SpA. It announces about 26,112 IPv4 addresses.

How do I detect traffic from AS20836?

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.