Network · AS150666

AS150666 SMBC Capital Markets (Asia) Limited

AS150666 (SMBC Capital Markets (Asia) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS150666

OwnerSMBC Capital Markets (Asia) Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.108.172.0/24

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

Check an IP address →

Detect it in code

Spot AS150666 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 AS150666

Is AS150666 a datacenter or VPN network?

AS150666 (SMBC Capital Markets (Asia) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS150666?

AS150666 is registered to SMBC Capital Markets (Asia) Limited. It announces about 256 IPv4 addresses.

How do I detect traffic from AS150666?

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.