Network · AS33425

AS33425 CoreWeave, Inc

AS33425 (CoreWeave, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33425

  • OwnerCoreWeave, Inc
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses95,232
  • IPv4 ranges6
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 166.19.0.0/16
  • 83.228.128.0/18
  • 216.153.48.0/20
  • 198.176.96.0/20
  • 192.112.160.0/20
  • 207.53.232.0/22

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

Check an IP address →

Detect it in code

Spot AS33425 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 AS33425

Is AS33425 a datacenter or VPN network?

AS33425 (CoreWeave, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33425?

AS33425 is registered to CoreWeave, Inc. It announces about 95,232 IPv4 addresses.

How do I detect traffic from AS33425?

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.