Network · AS34781

AS34781 Services Industriels de Lausanne (SIL)

AS34781 (Services Industriels de Lausanne (SIL)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS34781

OwnerServices Industriels de Lausanne (SIL)
KindInternet service provider
Servers, not peopleno
IPv4 addresses34,048
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

85.218.0.0/17
185.64.196.0/22
193.200.220.0/24

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

Check an IP address →

Detect it in code

Spot AS34781 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 AS34781

Is AS34781 a datacenter or VPN network?

AS34781 (Services Industriels de Lausanne (SIL)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS34781?

AS34781 is registered to Services Industriels de Lausanne (SIL). It announces about 34,048 IPv4 addresses.

How do I detect traffic from AS34781?

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.