Network · AS13101

AS13101 TNG Stadtnetz GmbH

AS13101 (TNG Stadtnetz GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13101

OwnerTNG Stadtnetz GmbH
KindInternet service provider
Servers, not peopleno
IPv4 addresses142,080
IPv4 ranges33
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

86.103.0.0/16
82.97.128.0/18
62.93.0.0/19
213.178.64.0/19
213.158.96.0/19
217.70.192.0/20
89.28.176.0/21
81.91.104.0/21
46.22.152.0/21
217.26.232.0/21
207.22.56.0/21
206.168.72.0/21

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

Check an IP address →

Detect it in code

Spot AS13101 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 AS13101

Is AS13101 a datacenter or VPN network?

AS13101 (TNG Stadtnetz GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13101?

AS13101 is registered to TNG Stadtnetz GmbH. It announces about 142,080 IPv4 addresses.

How do I detect traffic from AS13101?

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.