Network check
ASN
AS43503
- Ownersynaforce GmbH
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses13,056
- IPv4 ranges9
- IPv6 ranges0
Risk score0
Nothing suspicious found.
Network · AS43503
AS43503 (synaforce GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS43503
Nothing suspicious found.
83.137.96.0/2181.16.48.0/2146.30.80.0/2146.226.112.0/21109.234.120.0/2191.203.200.0/2281.16.56.0/2281.16.62.0/2381.16.61.0/24Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.
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);AS43503 (synaforce GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS43503 is registered to synaforce GmbH. It announces about 13,056 IPv4 addresses.
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.