Network · AS41872

AS41872 Quickline AG

AS41872 (Quickline AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS41872

OwnerQuickline AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses39,168
IPv4 ranges17
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.190.0.0/19
212.35.0.0/19
94.100.144.0/20
81.92.96.0/20
37.209.176.0/20
94.198.248.0/21
37.110.200.0/21
195.43.56.0/22
195.12.40.0/22
185.65.168.0/22
185.161.20.0/22
195.90.112.0/23

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

Check an IP address →

Detect it in code

Spot AS41872 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 AS41872

Is AS41872 a datacenter or VPN network?

AS41872 (Quickline AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS41872?

AS41872 is registered to Quickline AG. It announces about 39,168 IPv4 addresses.

How do I detect traffic from AS41872?

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.