Network · AS25167

AS25167 Oliver Knapp trading as "TuK Datentechnik"

AS25167 (Oliver Knapp trading as "TuK Datentechnik") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25167

  • OwnerOliver Knapp trading as "TuK Datentech
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 193.109.113.0/24

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

Check an IP address →

Detect it in code

Spot AS25167 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 AS25167

Is AS25167 a datacenter or VPN network?

AS25167 (Oliver Knapp trading as "TuK Datentechnik") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25167?

AS25167 is registered to Oliver Knapp trading as "TuK Datentechnik". It announces about 256 IPv4 addresses.

How do I detect traffic from AS25167?

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.