Network · AS4528

AS4528 The University of Hong Kong

AS4528 (The University of Hong Kong) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4528

OwnerThe University of Hong Kong
KindInternet service provider
Servers, not peopleno
IPv4 addresses83,712
IPv4 ranges6
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

147.8.0.0/16
202.189.96.0/19
175.159.160.0/19
175.159.212.0/22
175.159.158.0/23
202.45.128.0/24

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

Check an IP address →

Detect it in code

Spot AS4528 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 AS4528

Is AS4528 a datacenter or VPN network?

AS4528 (The University of Hong Kong) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4528?

AS4528 is registered to The University of Hong Kong. It announces about 83,712 IPv4 addresses.

How do I detect traffic from AS4528?

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.