Network · AS50837

AS50837 CLOUDSIGMA AG

AS50837 (CLOUDSIGMA AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50837

  • OwnerCLOUDSIGMA AG
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses14,336
  • IPv4 ranges21
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 31.171.248.0/21
  • 178.22.64.0/21
  • 94.156.200.0/22
  • 31.171.244.0/22
  • 212.147.208.0/22
  • 185.230.208.0/22
  • 162.213.36.0/22
  • 104.36.16.0/22
  • 91.92.176.0/23
  • 31.171.240.0/23
  • 185.12.4.0/23
  • 94.156.66.0/24

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

Check an IP address →

Detect it in code

Spot AS50837 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 AS50837

Is AS50837 a datacenter or VPN network?

AS50837 (CLOUDSIGMA AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50837?

AS50837 is registered to CLOUDSIGMA AG. It announces about 14,336 IPv4 addresses.

How do I detect traffic from AS50837?

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.