Network · AS397373

AS397373 H4Y Technologies LLC

AS397373 (H4Y Technologies LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS397373

OwnerH4Y Technologies LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses60,928
IPv4 ranges172
IPv6 ranges8

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

199.83.208.0/21
5.182.120.0/22
45.43.128.0/22
45.191.164.0/22
198.37.100.0/22
176.53.164.0/22
155.254.24.0/22
155.254.20.0/22
154.17.164.0/22
104.249.56.0/22
67.21.32.0/23
66.235.170.0/23

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

Check an IP address →

Detect it in code

Spot AS397373 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 AS397373

Is AS397373 a datacenter or VPN network?

AS397373 (H4Y Technologies LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS397373?

AS397373 is registered to H4Y Technologies LLC. It announces about 60,928 IPv4 addresses.

How do I detect traffic from AS397373?

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.