Network · AS9355

AS9355 National Institute of Information and Communications Technology

AS9355 (National Institute of Information and Communications Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9355

OwnerNational Institute of Information and
KindInternet service provider
Servers, not peopleno
IPv4 addresses131,072
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

133.243.0.0/16
133.140.0.0/16

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

Check an IP address →

Detect it in code

Spot AS9355 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 AS9355

Is AS9355 a datacenter or VPN network?

AS9355 (National Institute of Information and Communications Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9355?

AS9355 is registered to National Institute of Information and Communications Technology. It announces about 131,072 IPv4 addresses.

How do I detect traffic from AS9355?

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.