Network · AS40328

AS40328 AcenTek

AS40328 (AcenTek) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40328

OwnerAcenTek
KindInternet service provider
Servers, not peopleno
IPv4 addresses16,384
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

205.185.128.0/19
108.59.96.0/20
208.74.240.0/21
162.249.96.0/21

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

Check an IP address →

Detect it in code

Spot AS40328 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 AS40328

Is AS40328 a datacenter or VPN network?

AS40328 (AcenTek) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40328?

AS40328 is registered to AcenTek. It announces about 16,384 IPv4 addresses.

How do I detect traffic from AS40328?

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.