Network · AS12748

AS12748 IAV GmbH Ingenieurgesellschaft Auto und Verkehr

AS12748 (IAV GmbH Ingenieurgesellschaft Auto und Verkehr) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12748

  • OwnerIAV GmbH Ingenieurgesellschaft Auto un
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,584
  • IPv4 ranges5
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 5.183.20.0/22
  • 45.137.56.0/22
  • 185.225.140.0/22
  • 194.31.198.0/24
  • 193.104.216.0/24

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

Check an IP address →

Detect it in code

Spot AS12748 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 AS12748

Is AS12748 a datacenter or VPN network?

AS12748 (IAV GmbH Ingenieurgesellschaft Auto und Verkehr) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12748?

AS12748 is registered to IAV GmbH Ingenieurgesellschaft Auto und Verkehr. It announces about 3,584 IPv4 addresses.

How do I detect traffic from AS12748?

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.