Network · AS199754

AS199754 Adrian Pfeffer trading as DUKLANA IT e.U.

AS199754 (Adrian Pfeffer trading as DUKLANA IT e.U.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS199754

  • OwnerAdrian Pfeffer trading as DUKLANA IT e
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 45.154.34.0/24

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

Check an IP address →

Detect it in code

Spot AS199754 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 AS199754

Is AS199754 a datacenter or VPN network?

AS199754 (Adrian Pfeffer trading as DUKLANA IT e.U.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS199754?

AS199754 is registered to Adrian Pfeffer trading as DUKLANA IT e.U.. It announces about 256 IPv4 addresses.

How do I detect traffic from AS199754?

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.