Network · AS17573

AS17573 SK Broadband Co Ltd

AS17573 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17573

OwnerSK Broadband Co Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses60,160
IPv4 ranges13
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

27.118.64.0/18
111.65.128.0/18
203.175.32.0/19
118.91.64.0/19
211.238.224.0/20
45.112.160.0/22
27.124.252.0/22
27.124.232.0/22
112.140.116.0/22
103.51.244.0/22
103.5.128.0/22
111.171.108.0/23

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

Check an IP address →

Detect it in code

Spot AS17573 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 AS17573

Is AS17573 a datacenter or VPN network?

AS17573 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17573?

AS17573 is registered to SK Broadband Co Ltd. It announces about 60,160 IPv4 addresses.

How do I detect traffic from AS17573?

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.