Network · AS17739

AS17739 Shanghai Telecom Haplink Network Co Ltd (Haplink)

AS17739 (Shanghai Telecom Haplink Network Co Ltd (Haplink)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17739

  • OwnerShanghai Telecom Haplink Network Co Lt
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses8,192
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.94.0.0/19

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

Check an IP address →

Detect it in code

Spot AS17739 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 AS17739

Is AS17739 a datacenter or VPN network?

AS17739 (Shanghai Telecom Haplink Network Co Ltd (Haplink)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17739?

AS17739 is registered to Shanghai Telecom Haplink Network Co Ltd (Haplink). It announces about 8,192 IPv4 addresses.

How do I detect traffic from AS17739?

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.