Network · AS43183

AS43183 SwissSign AG

AS43183 (SwissSign AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43183

OwnerSwissSign AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.194.146.0/23
193.246.170.0/23

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

Check an IP address →

Detect it in code

Spot AS43183 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 AS43183

Is AS43183 a datacenter or VPN network?

AS43183 (SwissSign AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43183?

AS43183 is registered to SwissSign AG. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS43183?

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.