Network · AS51188

AS51188 Telia Cygate Oy

AS51188 (Telia Cygate Oy) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51188

OwnerTelia Cygate Oy
KindInternet service provider
Servers, not peopleno
IPv4 addresses9,472
IPv4 ranges7
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

81.20.224.0/20
194.28.0.0/22
194.187.232.0/22
193.93.136.0/22
193.93.132.0/22
185.166.28.0/22
193.28.203.0/24

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

Check an IP address →

Detect it in code

Spot AS51188 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 AS51188

Is AS51188 a datacenter or VPN network?

AS51188 (Telia Cygate Oy) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51188?

AS51188 is registered to Telia Cygate Oy. It announces about 9,472 IPv4 addresses.

How do I detect traffic from AS51188?

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.