Network · AS53598

AS53598 National Jewish Medical and Research Center Corporation

AS53598 (National Jewish Medical and Research Center Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS53598

  • OwnerNational Jewish Medical and Research C
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,024
  • IPv4 ranges2
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 205.143.254.0/23
  • 205.143.248.0/23

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

Check an IP address →

Detect it in code

Spot AS53598 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 AS53598

Is AS53598 a datacenter or VPN network?

AS53598 (National Jewish Medical and Research Center Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS53598?

AS53598 is registered to National Jewish Medical and Research Center Corporation. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS53598?

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.