Network · AS8309

AS8309 SIPARTECH SAS

AS8309 (SIPARTECH SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8309

OwnerSIPARTECH SAS
KindInternet service provider
Servers, not peopleno
IPv4 addresses68,864
IPv4 ranges8
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

37.19.128.0/18
217.180.128.0/18
144.56.192.0/18
62.129.0.0/19
144.56.160.0/19
144.56.152.0/21
144.56.148.0/22
185.46.164.0/24

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

Check an IP address →

Detect it in code

Spot AS8309 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 AS8309

Is AS8309 a datacenter or VPN network?

AS8309 (SIPARTECH SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8309?

AS8309 is registered to SIPARTECH SAS. It announces about 68,864 IPv4 addresses.

How do I detect traffic from AS8309?

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.