Network · AS57559

AS57559 Sidarion AG

AS57559 (Sidarion AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57559

OwnerSidarion AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

93.180.94.0/24
93.180.88.0/24

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

Check an IP address →

Detect it in code

Spot AS57559 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 AS57559

Is AS57559 a datacenter or VPN network?

AS57559 (Sidarion AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57559?

AS57559 is registered to Sidarion AG. It announces about 512 IPv4 addresses.

How do I detect traffic from AS57559?

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.