Network · AS21032

AS21032 TELTA Citynetz GmbH

AS21032 (TELTA Citynetz GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21032

OwnerTELTA Citynetz GmbH
KindInternet service provider
Servers, not peopleno
IPv4 addresses26,368
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

89.145.0.0/18
80.78.160.0/19
185.159.208.0/22
193.109.138.0/23
195.85.202.0/24

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

Check an IP address →

Detect it in code

Spot AS21032 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 AS21032

Is AS21032 a datacenter or VPN network?

AS21032 (TELTA Citynetz GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21032?

AS21032 is registered to TELTA Citynetz GmbH. It announces about 26,368 IPv4 addresses.

How do I detect traffic from AS21032?

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.