Network · AS20741

AS20741 Administrator Systems AS

AS20741 (Administrator Systems AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20741

  • OwnerAdministrator Systems AS
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,328
  • IPv4 ranges3
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 46.17.16.0/21
  • 185.190.168.0/22
  • 185.11.180.0/24

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

Check an IP address →

Detect it in code

Spot AS20741 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 AS20741

Is AS20741 a datacenter or VPN network?

AS20741 (Administrator Systems AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20741?

AS20741 is registered to Administrator Systems AS. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS20741?

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.