Network · AS9505

AS9505 Chunghwa Telecom Co., Ltd.

AS9505 (Chunghwa Telecom Co., Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9505

  • OwnerChunghwa Telecom Co., Ltd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses21,760
  • IPv4 ranges16
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.78.176.0/20
  • 175.41.48.0/20
  • 175.111.224.0/20
  • 203.160.224.0/21
  • 175.111.240.0/21
  • 203.160.232.0/22
  • 66.171.116.0/23
  • 66.171.112.0/23
  • 220.128.52.0/23
  • 220.128.48.0/23
  • 208.70.206.0/23
  • 208.70.202.0/23

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

Check an IP address →

Detect it in code

Spot AS9505 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 AS9505

Is AS9505 a datacenter or VPN network?

AS9505 (Chunghwa Telecom Co., Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9505?

AS9505 is registered to Chunghwa Telecom Co., Ltd.. It announces about 21,760 IPv4 addresses.

How do I detect traffic from AS9505?

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.