Network · AS203446

AS203446 SMARTNET Germany GmbH

AS203446 (SMARTNET Germany GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203446

  • OwnerSMARTNET Germany GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,352
  • IPv4 ranges17
  • IPv6 ranges4
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 93.90.74.0/24
  • 92.242.166.0/24
  • 91.109.45.0/24
  • 89.213.171.0/24
  • 64.204.203.0/24
  • 64.204.182.0/24
  • 51.241.141.0/24
  • 5.83.141.0/24
  • 46.37.101.0/24
  • 45.137.70.0/24
  • 45.134.39.0/24
  • 45.131.65.0/24

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

Check an IP address →

Detect it in code

Spot AS203446 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 AS203446

Is AS203446 a datacenter or VPN network?

AS203446 (SMARTNET Germany GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203446?

AS203446 is registered to SMARTNET Germany GmbH. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS203446?

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.