Network · AS41503

AS41503 Barclays Bank (Suisse) SA

AS41503 (Barclays Bank (Suisse) SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS41503

OwnerBarclays Bank (Suisse) SA
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

212.243.33.0/24
194.209.23.0/24

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

Check an IP address →

Detect it in code

Spot AS41503 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 AS41503

Is AS41503 a datacenter or VPN network?

AS41503 (Barclays Bank (Suisse) SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS41503?

AS41503 is registered to Barclays Bank (Suisse) SA. It announces about 512 IPv4 addresses.

How do I detect traffic from AS41503?

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.