Network · AS17865

AS17865 Supreme Court of Korea

AS17865 (Supreme Court of Korea) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17865

  • OwnerSupreme Court of Korea
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,072
  • IPv4 ranges8
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.240.96.0/23
  • 203.240.76.0/23
  • 203.240.74.0/23
  • 203.240.64.0/23
  • 203.240.92.0/24
  • 203.240.73.0/24
  • 203.240.68.0/24
  • 203.240.67.0/24

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

Check an IP address →

Detect it in code

Spot AS17865 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 AS17865

Is AS17865 a datacenter or VPN network?

AS17865 (Supreme Court of Korea) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17865?

AS17865 is registered to Supreme Court of Korea. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS17865?

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.