Network · AS56791

AS56791 CityTelekom Ltd.

AS56791 (CityTelekom Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS56791

  • OwnerCityTelekom Ltd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses13,312
  • IPv4 ranges7
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 176.32.128.0/19
  • 94.243.224.0/21
  • 94.243.232.0/22
  • 185.45.100.0/22
  • 185.134.122.0/23
  • 185.134.121.0/24
  • 176.119.197.0/24

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

Check an IP address →

Detect it in code

Spot AS56791 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 AS56791

Is AS56791 a datacenter or VPN network?

AS56791 (CityTelekom Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS56791?

AS56791 is registered to CityTelekom Ltd.. It announces about 13,312 IPv4 addresses.

How do I detect traffic from AS56791?

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.