Network · AS43335

AS43335 Air SERBIA a.d. Beograd

AS43335 (Air SERBIA a.d. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43335

OwnerAir SERBIA a.d. Beograd
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.194.216.0/23

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

Check an IP address →

Detect it in code

Spot AS43335 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 AS43335

Is AS43335 a datacenter or VPN network?

AS43335 (Air SERBIA a.d. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43335?

AS43335 is registered to Air SERBIA a.d. Beograd. It announces about 512 IPv4 addresses.

How do I detect traffic from AS43335?

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.