Network · AS21441

AS21441 LJUBLJANSKA BORZA d.d. Ljubljana

AS21441 (LJUBLJANSKA BORZA d.d. Ljubljana) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21441

  • OwnerLJUBLJANSKA BORZA d.d. Ljubljana
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 193.109.227.0/24

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

Check an IP address →

Detect it in code

Spot AS21441 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 AS21441

Is AS21441 a datacenter or VPN network?

AS21441 (LJUBLJANSKA BORZA d.d. Ljubljana) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21441?

AS21441 is registered to LJUBLJANSKA BORZA d.d. Ljubljana. It announces about 256 IPv4 addresses.

How do I detect traffic from AS21441?

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.