Network · AS133380

AS133380 Layerstack Limited

AS133380 (Layerstack Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS133380

  • OwnerLayerstack Limited
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses18,176
  • IPv4 ranges31
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.86.232.0/21
  • 146.196.52.0/22
  • 123.176.100.0/22
  • 122.128.108.0/22
  • 113.52.132.0/22
  • 103.68.60.0/22
  • 103.254.208.0/22
  • 103.231.252.0/22
  • 103.225.8.0/22
  • 43.231.0.0/23
  • 223.223.218.0/23
  • 180.188.196.0/23

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS133380 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 AS133380

Is AS133380 a datacenter or VPN network?

AS133380 (Layerstack Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS133380?

AS133380 is registered to Layerstack Limited. It announces about 18,176 IPv4 addresses.

How do I detect traffic from AS133380?

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.