Network · AS683

AS683 Argonne National Laboratory

AS683 (Argonne National Laboratory) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS683

OwnerArgonne National Laboratory
KindInternet service provider
Servers, not peopleno
IPv4 addresses297,216
IPv4 ranges18
IPv6 ranges6

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

164.54.0.0/16
146.139.0.0/16
146.137.0.0/16
130.202.0.0/16
140.221.0.0/18
192.5.176.0/20
140.221.80.0/20
140.221.112.0/20
140.221.72.0/21
140.221.68.0/22
192.5.86.0/23
192.5.174.0/23

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

Check an IP address →

Detect it in code

Spot AS683 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 AS683

Is AS683 a datacenter or VPN network?

AS683 (Argonne National Laboratory) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS683?

AS683 is registered to Argonne National Laboratory. It announces about 297,216 IPv4 addresses.

How do I detect traffic from AS683?

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.