Network · AS5744

AS5744 United States Patent and Trademark Office

AS5744 (United States Patent and Trademark Office) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5744

  • OwnerUnited States Patent and Trademark Off
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,120
  • IPv4 ranges2
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 151.207.240.0/20
  • 151.207.232.0/22

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

Check an IP address →

Detect it in code

Spot AS5744 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 AS5744

Is AS5744 a datacenter or VPN network?

AS5744 (United States Patent and Trademark Office) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5744?

AS5744 is registered to United States Patent and Trademark Office. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS5744?

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.