Network · AS33843

AS33843 Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer

AS33843 (Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33843

  • OwnerDr.-Ing. Nepustil & Co. GmbH Internet
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,216
  • IPv4 ranges4
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 85.236.192.0/19
  • 91.206.46.0/23
  • 45.150.68.0/24
  • 194.11.170.0/24

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

Check an IP address →

Detect it in code

Spot AS33843 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 AS33843

Is AS33843 a datacenter or VPN network?

AS33843 (Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33843?

AS33843 is registered to Dr.-Ing. Nepustil & Co. GmbH Internet Service Center Ingenieurgesellschaft fuer. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS33843?

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.