Network · AS18049

AS18049 Taiwan Infrastructure Network Technologie

AS18049 (Taiwan Infrastructure Network Technologie) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18049

OwnerTaiwan Infrastructure Network Technolo
KindInternet service provider
Servers, not peopleno
IPv4 addresses308,480
IPv4 ranges129
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

58.99.0.0/17
60.198.64.0/18
27.100.64.0/18
116.118.128.0/18
49.213.192.0/19
49.213.128.0/19
211.78.32.0/19
211.73.160.0/19
175.183.64.0/19
112.105.32.0/19
106.107.192.0/19
106.107.128.0/19

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

Check an IP address →

Detect it in code

Spot AS18049 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 AS18049

Is AS18049 a datacenter or VPN network?

AS18049 (Taiwan Infrastructure Network Technologie) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18049?

AS18049 is registered to Taiwan Infrastructure Network Technologie. It announces about 308,480 IPv4 addresses.

How do I detect traffic from AS18049?

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.