Network · AS203053

AS203053 CLAUS WEB srl

AS203053 (CLAUS WEB srl) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203053

OwnerCLAUS WEB srl
KindInternet service provider
Servers, not peopleno
IPv4 addresses8,960
IPv4 ranges28
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

185.146.84.0/22
93.113.54.0/23
89.40.32.0/23
86.107.78.0/23
37.156.180.0/23
94.176.213.0/24
93.119.122.0/24
93.114.248.0/24
91.197.247.0/24
89.44.105.0/24
89.42.13.0/24
89.39.209.0/24

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

Check an IP address →

Detect it in code

Spot AS203053 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 AS203053

Is AS203053 a datacenter or VPN network?

AS203053 (CLAUS WEB srl) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203053?

AS203053 is registered to CLAUS WEB srl. It announces about 8,960 IPv4 addresses.

How do I detect traffic from AS203053?

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.