Network · AS57763

AS57763 SelfNet Internet Ges.m.b.H.

AS57763 (SelfNet Internet Ges.m.b.H.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57763

  • OwnerSelfNet Internet Ges.m.b.H.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,864
  • IPv4 ranges5
  • IPv6 ranges6
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 37.75.136.0/21
  • 45.90.24.0/22
  • 185.63.0.0/22
  • 91.224.66.0/23
  • 91.223.101.0/24

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

Check an IP address →

Detect it in code

Spot AS57763 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 AS57763

Is AS57763 a datacenter or VPN network?

AS57763 (SelfNet Internet Ges.m.b.H.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57763?

AS57763 is registered to SelfNet Internet Ges.m.b.H.. It announces about 4,864 IPv4 addresses.

How do I detect traffic from AS57763?

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.