Network · AS15943

AS15943 wilhelm.tel GmbH

AS15943 (wilhelm.tel GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15943

  • Ownerwilhelm.tel GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses354,304
  • IPv4 ranges66
  • IPv6 ranges4
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 149.224.0.0/16
  • 84.46.0.0/17
  • 46.59.128.0/17
  • 149.233.128.0/17
  • 134.101.128.0/17
  • 213.209.64.0/18
  • 95.81.0.0/19
  • 31.29.32.0/19
  • 212.127.32.0/19
  • 188.136.224.0/19
  • 95.163.160.0/20
  • 84.242.16.0/20

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

Check an IP address →

Detect it in code

Spot AS15943 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 AS15943

Is AS15943 a datacenter or VPN network?

AS15943 (wilhelm.tel GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15943?

AS15943 is registered to wilhelm.tel GmbH. It announces about 354,304 IPv4 addresses.

How do I detect traffic from AS15943?

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.