Network · AS400451

AS400451 Curium Technologies

AS400451 (Curium Technologies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400451

  • OwnerCurium Technologies
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,024
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 128.254.156.0/22

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

Check an IP address →

Detect it in code

Spot AS400451 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 AS400451

Is AS400451 a datacenter or VPN network?

AS400451 (Curium Technologies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400451?

AS400451 is registered to Curium Technologies. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS400451?

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.