Network · AS36161

AS36161 County of Westchester

AS36161 (County of Westchester) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS36161

OwnerCounty of Westchester
KindInternet service provider
Servers, not peopleno
IPv4 addresses52,992
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

163.151.128.0/17
163.151.0.0/18
163.151.64.0/21
163.151.72.0/22
163.151.76.0/23
163.151.78.0/24

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

Check an IP address →

Detect it in code

Spot AS36161 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 AS36161

Is AS36161 a datacenter or VPN network?

AS36161 (County of Westchester) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS36161?

AS36161 is registered to County of Westchester. It announces about 52,992 IPv4 addresses.

How do I detect traffic from AS36161?

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.