Network · AS28636

AS28636 CDI TELECOM

AS28636 (CDI TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28636

OwnerCDI TELECOM
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,120
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

179.97.112.0/20
170.150.68.0/22

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

Check an IP address →

Detect it in code

Spot AS28636 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 AS28636

Is AS28636 a datacenter or VPN network?

AS28636 (CDI TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28636?

AS28636 is registered to CDI TELECOM. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS28636?

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.