Network · AS209366

AS209366 SEMrush CY LTD

AS209366 (SEMrush CY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS209366

OwnerSEMrush CY LTD
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

85.208.96.0/23
85.208.99.0/24
185.191.171.0/24
185.170.167.0/24

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

Check an IP address →

Detect it in code

Spot AS209366 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 AS209366

Is AS209366 a datacenter or VPN network?

AS209366 (SEMrush CY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS209366?

AS209366 is registered to SEMrush CY LTD. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS209366?

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.