Network · AS131644

AS131644 Taiwan Network Information Center

AS131644 (Taiwan Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS131644

  • OwnerTaiwan Network Information Center
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,792
  • IPv4 ranges4
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 119.75.240.0/22
  • 61.67.121.0/24
  • 182.173.0.0/24
  • 103.235.89.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS131644 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 AS131644

Is AS131644 a datacenter or VPN network?

AS131644 (Taiwan Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS131644?

AS131644 is registered to Taiwan Network Information Center. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS131644?

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.