Network · AS4503

AS4503 Grady Memorial Hospital

AS4503 (Grady Memorial Hospital) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4503

OwnerGrady Memorial Hospital
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,304
IPv4 ranges8
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

138.33.32.0/23
192.35.46.0/24
138.33.99.0/24
138.33.96.0/24
138.33.90.0/24
138.33.72.0/24
138.33.71.0/24
138.33.66.0/24

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

Check an IP address →

Detect it in code

Spot AS4503 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 AS4503

Is AS4503 a datacenter or VPN network?

AS4503 (Grady Memorial Hospital) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4503?

AS4503 is registered to Grady Memorial Hospital. It announces about 2,304 IPv4 addresses.

How do I detect traffic from AS4503?

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.