Network · AS133111

AS133111 CERNET New Technology Co., Ltd

AS133111 (CERNET New Technology Co., Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS133111

OwnerCERNET New Technology Co., Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,856
IPv4 ranges4
IPv6 ranges13

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

42.245.192.0/18
42.201.32.0/19
103.81.200.0/22
43.252.48.0/24

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

Check an IP address →

Detect it in code

Spot AS133111 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 AS133111

Is AS133111 a datacenter or VPN network?

AS133111 (CERNET New Technology Co., Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS133111?

AS133111 is registered to CERNET New Technology Co., Ltd. It announces about 25,856 IPv4 addresses.

How do I detect traffic from AS133111?

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.