Network · AS36817

AS36817 MCSNet

AS36817 (MCSNet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS36817

OwnerMCSNet
KindInternet service provider
Servers, not peopleno
IPv4 addresses38,400
IPv4 ranges10
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

74.214.128.0/19
72.172.96.0/19
170.253.96.0/19
66.112.176.0/20
173.209.112.0/20
162.248.152.0/21
192.40.136.0/22
162.220.36.0/22
162.208.36.0/22
64.187.210.0/23

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

Check an IP address →

Detect it in code

Spot AS36817 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 AS36817

Is AS36817 a datacenter or VPN network?

AS36817 (MCSNet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS36817?

AS36817 is registered to MCSNet. It announces about 38,400 IPv4 addresses.

How do I detect traffic from AS36817?

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.