Network · AS202036

AS202036 EXTREME COMMUNICATIONS TECHNOLOGY LIMITED

AS202036 (EXTREME COMMUNICATIONS TECHNOLOGY LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS202036

OwnerEXTREME COMMUNICATIONS TECHNOLOGY LIMI
KindInternet service provider
Servers, not peopleno
IPv4 addresses21,248
IPv4 ranges54
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

45.201.16.0/21
45.201.28.0/22
204.58.136.0/22
200.34.24.0/22
154.83.108.0/22
45.201.36.0/23
45.201.24.0/23
202.155.64.0/23
156.249.168.0/23
156.249.158.0/23
156.225.50.0/23
156.225.2.0/23

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

Check an IP address →

Detect it in code

Spot AS202036 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 AS202036

Is AS202036 a datacenter or VPN network?

AS202036 (EXTREME COMMUNICATIONS TECHNOLOGY LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS202036?

AS202036 is registered to EXTREME COMMUNICATIONS TECHNOLOGY LIMITED. It announces about 21,248 IPv4 addresses.

How do I detect traffic from AS202036?

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.