Network · AS209928

AS209928 XEFI LYON SAS

AS209928 (XEFI LYON SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS209928

OwnerXEFI LYON SAS
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,096
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

94.231.40.0/21
139.100.8.0/21

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

Check an IP address →

Detect it in code

Spot AS209928 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 AS209928

Is AS209928 a datacenter or VPN network?

AS209928 (XEFI LYON SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS209928?

AS209928 is registered to XEFI LYON SAS. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS209928?

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.