Network · AS396151

AS396151 Steward Health Care System LLC

AS396151 (Steward Health Care System LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS396151

OwnerSteward Health Care System LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,864
IPv4 ranges7
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

198.89.64.0/21
198.89.72.0/22
204.58.2.0/23
198.89.78.0/23
198.89.83.0/24
198.89.77.0/24
198.212.151.0/24

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

Check an IP address →

Detect it in code

Spot AS396151 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 AS396151

Is AS396151 a datacenter or VPN network?

AS396151 (Steward Health Care System LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS396151?

AS396151 is registered to Steward Health Care System LLC. It announces about 4,864 IPv4 addresses.

How do I detect traffic from AS396151?

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.