Network · AS9959

AS9959 KOREA STOCK EXCHANGE

AS9959 (KOREA STOCK EXCHANGE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9959

  • OwnerKOREA STOCK EXCHANGE
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,608
  • IPv4 ranges12
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.235.4.0/22
  • 203.235.10.0/23
  • 203.235.0.0/23
  • 115.22.32.0/23
  • 211.180.155.0/24
  • 210.206.132.0/24
  • 210.206.131.0/24
  • 210.126.140.0/24
  • 210.113.148.0/24
  • 203.235.9.0/24
  • 203.235.2.0/24
  • 106.249.45.0/24

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

Check an IP address →

Detect it in code

Spot AS9959 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 AS9959

Is AS9959 a datacenter or VPN network?

AS9959 (KOREA STOCK EXCHANGE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9959?

AS9959 is registered to KOREA STOCK EXCHANGE. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS9959?

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.