Network · AS38674

AS38674 NLCS Jeju

AS38674 (NLCS Jeju) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS38674

OwnerNLCS Jeju
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

61.42.132.0/24
14.49.192.0/24

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

Check an IP address →

Detect it in code

Spot AS38674 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 AS38674

Is AS38674 a datacenter or VPN network?

AS38674 (NLCS Jeju) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS38674?

AS38674 is registered to NLCS Jeju. It announces about 512 IPv4 addresses.

How do I detect traffic from AS38674?

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.