Network · AS50

AS50 Oak Ridge National Laboratory

AS50 (Oak Ridge National Laboratory) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50

  • OwnerOak Ridge National Laboratory
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses133,632
  • IPv4 ranges10
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 160.91.0.0/16
  • 128.219.0.0/16
  • 192.188.178.0/23
  • 192.148.96.0/23
  • 192.31.96.0/24
  • 192.188.182.0/24
  • 192.188.180.0/24
  • 192.188.177.0/24
  • 192.148.93.0/24
  • 192.12.68.0/24

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

Check an IP address →

Detect it in code

Spot AS50 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 AS50

Is AS50 a datacenter or VPN network?

AS50 (Oak Ridge National Laboratory) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50?

AS50 is registered to Oak Ridge National Laboratory. It announces about 133,632 IPv4 addresses.

How do I detect traffic from AS50?

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.