Network · AS2152

AS2152 CENIC

AS2152 (CENIC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS2152

OwnerCENIC
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,876,736
IPv4 ranges358
IPv6 ranges49

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

165.196.0.0/16
160.227.0.0/16
155.135.0.0/16
147.144.0.0/16
146.244.0.0/16
144.37.0.0/16
139.182.0.0/16
137.151.0.0/16
137.145.0.0/16
134.154.0.0/16
134.139.0.0/16
132.241.0.0/16

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS2152 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 AS2152

Is AS2152 a datacenter or VPN network?

AS2152 (CENIC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS2152?

AS2152 is registered to CENIC. It announces about 1,876,736 IPv4 addresses.

How do I detect traffic from AS2152?

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.