Network · AS18300

AS18300 KEPCO

AS18300 (KEPCO) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18300

OwnerKEPCO
KindInternet service provider
Servers, not peopleno
IPv4 addresses69,376
IPv4 ranges13
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

168.78.0.0/17
168.78.128.0/18
168.78.192.0/19
168.78.224.0/20
210.109.152.0/21
168.78.240.0/21
203.227.8.0/22
168.78.248.0/22
203.231.152.0/23
168.78.252.0/23
203.248.44.0/24
203.243.237.0/24

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

Check an IP address →

Detect it in code

Spot AS18300 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 AS18300

Is AS18300 a datacenter or VPN network?

AS18300 (KEPCO) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18300?

AS18300 is registered to KEPCO. It announces about 69,376 IPv4 addresses.

How do I detect traffic from AS18300?

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.