Network · AS3152

AS3152 Fermi National Accelerator Laboratory (Fermilab)

AS3152 (Fermi National Accelerator Laboratory (Fermilab)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3152

OwnerFermi National Accelerator Laboratory
KindInternet service provider
Servers, not peopleno
IPv4 addresses66,816
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

131.225.0.0/16
192.190.216.0/22
198.49.208.0/24

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

Check an IP address →

Detect it in code

Spot AS3152 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 AS3152

Is AS3152 a datacenter or VPN network?

AS3152 (Fermi National Accelerator Laboratory (Fermilab)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3152?

AS3152 is registered to Fermi National Accelerator Laboratory (Fermilab). It announces about 66,816 IPv4 addresses.

How do I detect traffic from AS3152?

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.