Network · AS397423

AS397423 Tier.Net Technologies LLC

AS397423 (Tier.Net Technologies LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS397423

OwnerTier.Net Technologies LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses92,416
IPv4 ranges244
IPv6 ranges20

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

154.29.64.0/21
147.124.192.0/21
82.41.92.0/22
82.41.84.0/22
82.41.76.0/22
82.41.60.0/22
66.235.172.0/22
64.93.32.0/22
64.205.220.0/22
45.59.160.0/22
45.42.144.0/22
38.18.228.0/22

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

Check an IP address →

Detect it in code

Spot AS397423 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 AS397423

Is AS397423 a datacenter or VPN network?

AS397423 (Tier.Net Technologies LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS397423?

AS397423 is registered to Tier.Net Technologies LLC. It announces about 92,416 IPv4 addresses.

How do I detect traffic from AS397423?

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.