Network · AS12303

AS12303 Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet

AS12303 (Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12303

OwnerMagyarorszagi Internet Szolgaltatok Ta
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

5.28.0.0/22

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

Check an IP address →

Detect it in code

Spot AS12303 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 AS12303

Is AS12303 a datacenter or VPN network?

AS12303 (Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12303?

AS12303 is registered to Magyarorszagi Internet Szolgaltatok Tanacsa Tudomanyos Egyesulet. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS12303?

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.