Network · AS13037

AS13037 Zen Internet Ltd

AS13037 (Zen Internet Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13037

OwnerZen Internet Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses527,616
IPv4 ranges36
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

82.68.0.0/15
82.71.0.0/16
51.155.0.0/16
51.148.0.0/16
217.155.0.0/16
88.97.0.0/18
77.104.128.0/18
62.3.64.0/18
146.66.64.0/18
88.98.64.0/19
88.98.32.0/19
88.98.128.0/19

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

Check an IP address →

Detect it in code

Spot AS13037 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 AS13037

Is AS13037 a datacenter or VPN network?

AS13037 (Zen Internet Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13037?

AS13037 is registered to Zen Internet Ltd. It announces about 527,616 IPv4 addresses.

How do I detect traffic from AS13037?

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.