Network · AS4155

AS4155 USDA

AS4155 (USDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4155

OwnerUSDA
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,147,776
IPv4 ranges20
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

199.128.0.0/11
166.4.0.0/14
166.2.0.0/15
150.118.0.0/15
170.144.0.0/16
168.68.0.0/16
165.221.0.0/16
162.79.0.0/16
160.232.0.0/16
151.121.0.0/16
150.120.0.0/16
147.49.0.0/16

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

Check an IP address →

Detect it in code

Spot AS4155 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 AS4155

Is AS4155 a datacenter or VPN network?

AS4155 (USDA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4155?

AS4155 is registered to USDA. It announces about 3,147,776 IPv4 addresses.

How do I detect traffic from AS4155?

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.