Network check
ASN
AS43731
- OwnerBarclays Bank PLC
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses512
- IPv4 ranges1
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS43731
AS43731 Barclays Bank PLC
AS43731 (Barclays Bank PLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Detect it in code
Spot AS43731 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 AS43731
Is AS43731 a datacenter or VPN network?
AS43731 (Barclays Bank PLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
Who owns AS43731?
AS43731 is registered to Barclays Bank PLC. It announces about 512 IPv4 addresses.
How do I detect traffic from AS43731?
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.