Network · AS19643

AS19643 Network Synergy Corporation

AS19643 (Network Synergy Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19643

OwnerNetwork Synergy Corporation
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges7
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

71.88.62.0/24
208.7.224.0/24
208.49.46.0/24
208.28.176.0/24
207.41.119.0/24
205.246.18.0/24
205.160.6.0/24

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

Check an IP address →

Detect it in code

Spot AS19643 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 AS19643

Is AS19643 a datacenter or VPN network?

AS19643 (Network Synergy Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19643?

AS19643 is registered to Network Synergy Corporation. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS19643?

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.