Network · AS203013

AS203013 WEB THREE LIMITED

AS203013 (WEB THREE LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203013

OwnerWEB THREE LIMITED
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,608
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.135.20.0/22
103.131.124.0/22
103.131.112.0/22
103.130.248.0/22
103.72.194.0/24
103.67.246.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS203013 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 AS203013

Is AS203013 a datacenter or VPN network?

AS203013 (WEB THREE LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203013?

AS203013 is registered to WEB THREE LIMITED. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS203013?

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.