Network · AS4647

AS4647 Centra Networks

AS4647 (Centra Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4647

OwnerCentra Networks
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.246.28.0/22
203.30.140.0/24

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

Check an IP address →

Detect it in code

Spot AS4647 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 AS4647

Is AS4647 a datacenter or VPN network?

AS4647 (Centra Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4647?

AS4647 is registered to Centra Networks. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS4647?

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.