Network · AS28748

AS28748 Marc Pauls (AlphaCron Datensysteme)

AS28748 (Marc Pauls (AlphaCron Datensysteme)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28748

  • OwnerMarc Pauls (AlphaCron Datensysteme)
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses36,864
  • IPv4 ranges13
  • IPv6 ranges19
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 134.97.64.0/18
  • 134.97.32.0/19
  • 134.97.16.0/20
  • 37.26.200.0/21
  • 134.97.8.0/21
  • 185.23.156.0/22
  • 134.97.4.0/22
  • 44.130.98.0/23
  • 134.97.0.0/23
  • 44.130.100.0/24
  • 195.190.142.0/24
  • 193.22.2.0/24

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

Check an IP address →

Detect it in code

Spot AS28748 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 AS28748

Is AS28748 a datacenter or VPN network?

AS28748 (Marc Pauls (AlphaCron Datensysteme)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28748?

AS28748 is registered to Marc Pauls (AlphaCron Datensysteme). It announces about 36,864 IPv4 addresses.

How do I detect traffic from AS28748?

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.