Network · AS41230

AS41230 ASK4 Limited

AS41230 (ASK4 Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS41230

OwnerASK4 Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses88,320
IPv4 ranges11
IPv6 ranges7

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

31.205.0.0/16
213.143.0.0/19
81.23.48.0/20
78.109.176.0/20
45.81.120.0/22
45.154.248.0/22
185.198.228.0/22
185.134.144.0/22
185.134.136.0/22
185.134.128.0/22
176.119.145.0/24

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

Check an IP address →

Detect it in code

Spot AS41230 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 AS41230

Is AS41230 a datacenter or VPN network?

AS41230 (ASK4 Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS41230?

AS41230 is registered to ASK4 Limited. It announces about 88,320 IPv4 addresses.

How do I detect traffic from AS41230?

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.