Network · AS10583

AS10583 Connecticut Hospital Assoc.

AS10583 (Connecticut Hospital Assoc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS10583

  • OwnerConnecticut Hospital Assoc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses61,696
  • IPv4 ranges29
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.163.64.0/18
  • 170.163.128.0/18
  • 170.163.224.0/20
  • 170.163.208.0/20
  • 170.163.248.0/21
  • 170.163.200.0/21
  • 170.163.16.0/21
  • 170.163.0.0/21
  • 170.163.8.0/22
  • 170.163.56.0/22
  • 170.163.52.0/22
  • 170.163.32.0/22

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

Check an IP address →

Detect it in code

Spot AS10583 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 AS10583

Is AS10583 a datacenter or VPN network?

AS10583 (Connecticut Hospital Assoc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS10583?

AS10583 is registered to Connecticut Hospital Assoc.. It announces about 61,696 IPv4 addresses.

How do I detect traffic from AS10583?

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.