Network · AS36738

AS36738 Athenahealth

AS36738 (Athenahealth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS36738

OwnerAthenahealth
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,816
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

162.208.24.0/22
208.78.140.0/23
204.165.246.0/23
208.78.143.0/24
162.220.219.0/24
162.220.217.0/24

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

Check an IP address →

Detect it in code

Spot AS36738 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 AS36738

Is AS36738 a datacenter or VPN network?

AS36738 (Athenahealth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS36738?

AS36738 is registered to Athenahealth. It announces about 2,816 IPv4 addresses.

How do I detect traffic from AS36738?

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.