Network · AS204818

AS204818 HOSTEUR SAS

AS204818 (HOSTEUR SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS204818

  • OwnerHOSTEUR SAS
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses10,496
  • IPv4 ranges12
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 217.16.0.0/20
  • 46.182.4.0/22
  • 45.92.108.0/22
  • 185.245.92.0/22
  • 185.158.4.0/22
  • 194.88.246.0/23
  • 185.148.76.0/23
  • 81.161.58.0/24
  • 46.16.207.0/24
  • 46.16.205.0/24
  • 213.134.14.0/24
  • 185.148.79.0/24

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

Check an IP address →

Detect it in code

Spot AS204818 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 AS204818

Is AS204818 a datacenter or VPN network?

AS204818 (HOSTEUR SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS204818?

AS204818 is registered to HOSTEUR SAS. It announces about 10,496 IPv4 addresses.

How do I detect traffic from AS204818?

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.