Network · AS133720

AS133720 Zess Networks Private Limited

AS133720 (Zess Networks Private Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS133720

OwnerZess Networks Private Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses16,896
IPv4 ranges17
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

139.5.24.0/21
45.249.40.0/22
43.255.220.0/22
43.241.124.0/22
139.5.44.0/22
103.87.52.0/22
103.74.16.0/22
103.6.184.0/22
103.49.240.0/22
103.39.244.0/22
103.25.168.0/22
103.249.248.0/22

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

Check an IP address →

Detect it in code

Spot AS133720 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 AS133720

Is AS133720 a datacenter or VPN network?

AS133720 (Zess Networks Private Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS133720?

AS133720 is registered to Zess Networks Private Limited. It announces about 16,896 IPv4 addresses.

How do I detect traffic from AS133720?

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.