Network · AS400423

AS400423 Catholic Health

AS400423 (Catholic Health) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400423

OwnerCatholic Health
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

65.51.115.0/24
24.38.21.0/24
160.72.214.0/24
148.76.174.0/24

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

Check an IP address →

Detect it in code

Spot AS400423 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 AS400423

Is AS400423 a datacenter or VPN network?

AS400423 (Catholic Health) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400423?

AS400423 is registered to Catholic Health. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS400423?

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.