Network · AS3836

AS3836 National Electronics and Computer Technology Center

AS3836 (National Electronics and Computer Technology Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3836

  • OwnerNational Electronics and Computer Tech
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses8,448
  • IPv4 ranges6
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.185.112.0/20
  • 203.185.104.0/21
  • 203.185.96.0/22
  • 203.185.102.0/23
  • 192.150.250.0/23
  • 203.185.101.0/24

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

Check an IP address →

Detect it in code

Spot AS3836 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 AS3836

Is AS3836 a datacenter or VPN network?

AS3836 (National Electronics and Computer Technology Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3836?

AS3836 is registered to National Electronics and Computer Technology Center. It announces about 8,448 IPv4 addresses.

How do I detect traffic from AS3836?

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.