Network · AS23749

AS23749 hkcolo limited

AS23749 (hkcolo limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23749

  • Ownerhkcolo limited
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,608
  • IPv4 ranges7
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 202.122.96.0/21
  • 202.122.104.0/22
  • 202.122.108.0/23
  • 202.122.110.0/24
  • 112.213.79.0/24
  • 112.213.69.0/24
  • 112.213.64.0/24

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

Check an IP address →

Detect it in code

Spot AS23749 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 AS23749

Is AS23749 a datacenter or VPN network?

AS23749 (hkcolo limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23749?

AS23749 is registered to hkcolo limited. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS23749?

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.