Network · AS41983

AS41983 Kaspersky Lab Switzerland GmbH

AS41983 (Kaspersky Lab Switzerland GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS41983

OwnerKaspersky Lab Switzerland GmbH
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,560
IPv4 ranges2
IPv6 ranges21

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.103.64.0/21
93.159.224.0/23

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

Check an IP address →

Detect it in code

Spot AS41983 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 AS41983

Is AS41983 a datacenter or VPN network?

AS41983 (Kaspersky Lab Switzerland GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS41983?

AS41983 is registered to Kaspersky Lab Switzerland GmbH. It announces about 2,560 IPv4 addresses.

How do I detect traffic from AS41983?

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.