Network · AS138423

AS138423 CMPak Limited

AS138423 (CMPak Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS138423

OwnerCMPak Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,992
IPv4 ranges20
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

223.123.32.0/20
209.150.144.0/21
117.134.192.0/21
115.42.72.0/21
223.123.76.0/22
223.123.124.0/22
223.123.100.0/22
144.48.0.0/22
121.91.60.0/22
117.134.200.0/22
223.123.66.0/23
223.123.48.0/23

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

Check an IP address →

Detect it in code

Spot AS138423 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 AS138423

Is AS138423 a datacenter or VPN network?

AS138423 (CMPak Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS138423?

AS138423 is registered to CMPak Limited. It announces about 20,992 IPv4 addresses.

How do I detect traffic from AS138423?

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.