Network · AS21030

AS21030 Cluster LLC

AS21030 (Cluster LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21030

  • OwnerCluster LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,328
  • IPv4 ranges8
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 85.209.68.0/22
  • 185.40.154.0/23
  • 185.253.22.0/23
  • 62.204.57.0/24
  • 217.119.139.0/24
  • 216.162.46.0/24
  • 185.253.21.0/24
  • 130.49.154.0/24

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

Check an IP address →

Detect it in code

Spot AS21030 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 AS21030

Is AS21030 a datacenter or VPN network?

AS21030 (Cluster LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21030?

AS21030 is registered to Cluster LLC. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS21030?

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.