Network · AS17837

AS17837 NHN KCP Corp.

AS17837 (NHN KCP Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17837

  • OwnerNHN KCP Corp.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses8,448
  • IPv4 ranges12
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 210.122.72.0/21
  • 211.36.208.0/22
  • 157.119.32.0/22
  • 103.215.144.0/22
  • 210.122.80.0/23
  • 210.122.176.0/23
  • 203.231.50.0/23
  • 203.231.36.0/23
  • 175.197.102.0/23
  • 211.169.23.0/24
  • 210.122.69.0/24
  • 203.238.36.0/24

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

Check an IP address →

Detect it in code

Spot AS17837 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 AS17837

Is AS17837 a datacenter or VPN network?

AS17837 (NHN KCP Corp.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17837?

AS17837 is registered to NHN KCP Corp.. It announces about 8,448 IPv4 addresses.

How do I detect traffic from AS17837?

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.