Network · AS134378

AS134378 Alchemy Networks Limited

AS134378 (Alchemy Networks Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS134378

  • OwnerAlchemy Networks Limited
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,536
  • IPv4 ranges2
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.63.92.0/22
  • 103.153.120.0/23

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

Check an IP address →

Detect it in code

Spot AS134378 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 AS134378

Is AS134378 a datacenter or VPN network?

AS134378 (Alchemy Networks Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS134378?

AS134378 is registered to Alchemy Networks Limited. It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS134378?

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.