Network · AS44143

AS44143 A1 Srbija d.o.o. Beograd

AS44143 (A1 Srbija d.o.o. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS44143

OwnerA1 Srbija d.o.o. Beograd
KindInternet service provider
Servers, not peopleno
IPv4 addresses22,528
IPv4 ranges11
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

77.243.16.0/20
188.120.96.0/20
95.86.48.0/21
37.19.104.0/21
198.143.176.0/21
188.120.112.0/21
152.117.16.0/21
95.86.8.0/22
95.86.60.0/22
95.86.4.0/22
185.37.24.0/22

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

Check an IP address →

Detect it in code

Spot AS44143 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 AS44143

Is AS44143 a datacenter or VPN network?

AS44143 (A1 Srbija d.o.o. Beograd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS44143?

AS44143 is registered to A1 Srbija d.o.o. Beograd. It announces about 22,528 IPv4 addresses.

How do I detect traffic from AS44143?

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.