Network · AS25818

AS25818 cmcnetworks

AS25818 (cmcnetworks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25818

Ownercmcnetworks
KindInternet service provider
Servers, not peopleno
IPv4 addresses33,536
IPv4 ranges13
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

41.202.32.0/19
69.67.32.0/20
196.1.144.0/20
102.64.96.0/20
102.177.112.0/20
197.231.160.0/21
196.32.8.0/21
87.101.4.0/22
217.19.16.0/22
158.173.68.0/22
158.173.172.0/22
45.150.116.0/23

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

Check an IP address →

Detect it in code

Spot AS25818 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 AS25818

Is AS25818 a datacenter or VPN network?

AS25818 (cmcnetworks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25818?

AS25818 is registered to cmcnetworks. It announces about 33,536 IPv4 addresses.

How do I detect traffic from AS25818?

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.