Network · AS395323

AS395323 County of San Mateo

AS395323 (County of San Mateo) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS395323

  • OwnerCounty of San Mateo
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses8,192
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 204.114.32.0/19

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS395323 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 AS395323

Is AS395323 a datacenter or VPN network?

AS395323 (County of San Mateo) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS395323?

AS395323 is registered to County of San Mateo. It announces about 8,192 IPv4 addresses.

How do I detect traffic from AS395323?

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.