Network check
ASN
AS553
- OwnerUniversitaet Stuttgart
- KindInternet service provider
- Servers, not peopleno
- IPv4 addresses2,109,696
- IPv4 ranges51
- IPv6 ranges17
Risk score0
Nothing suspicious found.
Network · AS553
AS553 (Universitaet Stuttgart) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS553
Nothing suspicious found.
141.68.0.0/15141.18.0.0/15193.197.0.0/16161.42.0.0/16147.142.0.0/16144.41.0.0/16141.87.0.0/16141.79.0.0/16141.72.0.0/16141.70.0.0/16141.7.0.0/16141.62.0.0/16Ranges 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);AS553 (Universitaet Stuttgart) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.
AS553 is registered to Universitaet Stuttgart. It announces about 2,109,696 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.