Network · AS13004

AS13004 Serbian Open Exchange DOO

AS13004 (Serbian Open Exchange DOO) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13004

OwnerSerbian Open Exchange DOO
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.245.214.0/24
88.218.139.0/24
193.105.163.0/24
188.120.127.0/24

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

Check an IP address →

Detect it in code

Spot AS13004 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 AS13004

Is AS13004 a datacenter or VPN network?

AS13004 (Serbian Open Exchange DOO) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13004?

AS13004 is registered to Serbian Open Exchange DOO. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS13004?

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.