Network · AS24545

AS24545 South China Telecommunications (H.K.) Limited

AS24545 (South China Telecommunications (H.K.) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS24545

  • OwnerSouth China Telecommunications (H.K.)
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses2,048
  • IPv4 ranges4
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.81.180.0/22
  • 103.243.8.0/23
  • 203.81.178.0/24
  • 203.81.176.0/24

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

Check an IP address →

Detect it in code

Spot AS24545 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 AS24545

Is AS24545 a datacenter or VPN network?

AS24545 (South China Telecommunications (H.K.) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS24545?

AS24545 is registered to South China Telecommunications (H.K.) Limited. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS24545?

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.