Network · AS209256

AS209256 Straznet AB

AS209256 (Straznet AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS209256

OwnerStraznet AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,352
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.20.96.0/20
194.6.243.0/24

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

Check an IP address →

Detect it in code

Spot AS209256 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 AS209256

Is AS209256 a datacenter or VPN network?

AS209256 (Straznet AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS209256?

AS209256 is registered to Straznet AB. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS209256?

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.