Network · AS18693

AS18693 University of Colorado Hospital

AS18693 (University of Colorado Hospital) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18693

OwnerUniversity of Colorado Hospital
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

168.200.2.0/23
24.155.10.0/24
168.200.6.0/24
168.200.5.0/24

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

Check an IP address →

Detect it in code

Spot AS18693 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 AS18693

Is AS18693 a datacenter or VPN network?

AS18693 (University of Colorado Hospital) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18693?

AS18693 is registered to University of Colorado Hospital. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS18693?

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.