Network · AS399381

AS399381 Resideo Technologies, Inc

AS399381 (Resideo Technologies, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS399381

  • OwnerResideo Technologies, Inc
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses2,816
  • IPv4 ranges3
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 131.201.240.0/21
  • 131.201.224.0/23
  • 131.201.228.0/24

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

Check an IP address →

Detect it in code

Spot AS399381 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 AS399381

Is AS399381 a datacenter or VPN network?

AS399381 (Resideo Technologies, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS399381?

AS399381 is registered to Resideo Technologies, Inc. It announces about 2,816 IPv4 addresses.

How do I detect traffic from AS399381?

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.