Network · AS1921

AS1921 ipcom GmbH

AS1921 (ipcom GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1921

  • Owneripcom GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,840
  • IPv4 ranges14
  • IPv6 ranges10
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 193.46.134.0/23
  • 91.237.67.0/24
  • 194.50.187.0/24
  • 194.0.25.0/24
  • 194.0.182.0/24
  • 193.46.133.0/24
  • 193.46.128.0/24
  • 193.227.117.0/24
  • 192.174.68.0/24
  • 185.80.191.0/24
  • 185.80.188.0/24
  • 185.167.176.0/24

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

Check an IP address →

Detect it in code

Spot AS1921 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 AS1921

Is AS1921 a datacenter or VPN network?

AS1921 (ipcom GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1921?

AS1921 is registered to ipcom GmbH. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS1921?

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.