Network · AS23575

AS23575 SK Broadband Co Ltd

AS23575 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23575

OwnerSK Broadband Co Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses44,800
IPv4 ranges25
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

175.122.96.0/19
125.61.64.0/19
125.61.32.0/19
125.61.0.0/20
125.61.16.0/21
125.61.120.0/21
125.61.104.0/21
175.123.232.0/22
175.122.92.0/22
125.61.96.0/22
125.61.28.0/22
125.61.112.0/22

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

Check an IP address →

Detect it in code

Spot AS23575 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 AS23575

Is AS23575 a datacenter or VPN network?

AS23575 (SK Broadband Co Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23575?

AS23575 is registered to SK Broadband Co Ltd. It announces about 44,800 IPv4 addresses.

How do I detect traffic from AS23575?

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.