Network · AS29056

AS29056 Citycom Telekommunikation GmbH

AS29056 (Citycom Telekommunikation GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS29056

OwnerCitycom Telekommunikation GmbH
KindInternet service provider
Servers, not peopleno
IPv4 addresses33,280
IPv4 ranges17
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

85.237.0.0/19
91.143.96.0/20
37.143.176.0/20
217.29.144.0/20
109.73.144.0/20
185.236.72.0/22
185.233.144.0/22
185.228.128.0/22
185.225.144.0/22
185.222.128.0/22
185.220.252.0/22
185.15.236.0/22

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

Check an IP address →

Detect it in code

Spot AS29056 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 AS29056

Is AS29056 a datacenter or VPN network?

AS29056 (Citycom Telekommunikation GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS29056?

AS29056 is registered to Citycom Telekommunikation GmbH. It announces about 33,280 IPv4 addresses.

How do I detect traffic from AS29056?

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.