Network · AS61311

AS61311 ProfiGroup Lukasz Grzelak

AS61311 (ProfiGroup Lukasz Grzelak) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS61311

  • OwnerProfiGroup Lukasz Grzelak
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 91.202.178.0/23

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

Check an IP address →

Detect it in code

Spot AS61311 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 AS61311

Is AS61311 a datacenter or VPN network?

AS61311 (ProfiGroup Lukasz Grzelak) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS61311?

AS61311 is registered to ProfiGroup Lukasz Grzelak. It announces about 512 IPv4 addresses.

How do I detect traffic from AS61311?

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.