Network · AS63739

AS63739 VIETPN Company Limited

AS63739 (VIETPN Company Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS63739

OwnerVIETPN Company Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.186.154.0/23
103.151.56.0/23

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

Check an IP address →

Detect it in code

Spot AS63739 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 AS63739

Is AS63739 a datacenter or VPN network?

AS63739 (VIETPN Company Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS63739?

AS63739 is registered to VIETPN Company Limited. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS63739?

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.