Network · AS18747

AS18747 IFX Corporation

AS18747 (IFX Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18747

  • OwnerIFX Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses294,912
  • IPv4 ranges88
  • IPv6 ranges14
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 190.61.128.0/17
  • 200.91.192.0/18
  • 200.73.0.0/18
  • 190.60.64.0/18
  • 190.60.192.0/18
  • 181.79.0.0/18
  • 181.119.0.0/18
  • 216.241.0.0/19
  • 201.217.192.0/19
  • 200.80.32.0/19
  • 200.61.128.0/19
  • 200.110.128.0/19

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

Check an IP address →

Detect it in code

Spot AS18747 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 AS18747

Is AS18747 a datacenter or VPN network?

AS18747 (IFX Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18747?

AS18747 is registered to IFX Corporation. It announces about 294,912 IPv4 addresses.

How do I detect traffic from AS18747?

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.