Network · AS9971

AS9971 SK Broadband Co Ltd

AS9971 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9971

OwnerSK Broadband Co Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses59,392
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

27.115.128.0/18
124.197.128.0/18
113.30.0.0/18
124.197.192.0/19
45.112.100.0/22
103.51.188.0/22

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

Check an IP address →

Detect it in code

Spot AS9971 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 AS9971

Is AS9971 a datacenter or VPN network?

AS9971 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9971?

AS9971 is registered to SK Broadband Co Ltd. It announces about 59,392 IPv4 addresses.

How do I detect traffic from AS9971?

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.