Network · AS21215

AS21215 UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd

AS21215 (UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21215

  • OwnerUNITED GROUP NETWORK INFRASTRUCTURE d.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses12,544
  • IPv4 ranges8
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 213.244.208.0/20
  • 89.207.192.0/21
  • 176.109.136.0/21
  • 185.81.60.0/22
  • 185.20.36.0/22
  • 185.18.12.0/22
  • 185.13.8.0/22
  • 5.22.166.0/24

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

Check an IP address →

Detect it in code

Spot AS21215 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 AS21215

Is AS21215 a datacenter or VPN network?

AS21215 (UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21215?

AS21215 is registered to UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd. It announces about 12,544 IPv4 addresses.

How do I detect traffic from AS21215?

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.