Network · AS139531

AS139531 Syncbroad Networks Private Limited

AS139531 (Syncbroad Networks Private Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139531

OwnerSyncbroad Networks Private Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,536
IPv4 ranges3
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.187.64.0/23
103.173.206.0/23
103.146.240.0/23

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

Check an IP address →

Detect it in code

Spot AS139531 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 AS139531

Is AS139531 a datacenter or VPN network?

AS139531 (Syncbroad Networks Private Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139531?

AS139531 is registered to Syncbroad Networks Private Limited. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS139531?

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.