Network · AS136531

AS136531 NetExpress Online

AS136531 (NetExpress Online) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS136531

  • OwnerNetExpress Online
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,024
  • IPv4 ranges1
  • IPv6 ranges9
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.91.228.0/22

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

Check an IP address →

Detect it in code

Spot AS136531 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 AS136531

Is AS136531 a datacenter or VPN network?

AS136531 (NetExpress Online) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS136531?

AS136531 is registered to NetExpress Online. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS136531?

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.