Network · AS4766

AS4766 Korea Telecom

AS4766 (Korea Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4766

OwnerKorea Telecom
KindInternet service provider
Servers, not peopleno
IPv4 addresses46,345,056
IPv4 ranges5,410
IPv6 ranges7

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

175.224.0.0/11
14.64.0.0/11
49.16.0.0/12
39.16.0.0/12
183.112.0.0/12
169.208.0.0/12
125.144.0.0/12
119.208.0.0/12
118.48.0.0/12
115.0.0.0/12
1.96.0.0/12
49.56.0.0/13

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

Check an IP address →

Detect it in code

Spot AS4766 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 AS4766

Is AS4766 a datacenter or VPN network?

AS4766 (Korea Telecom) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4766?

AS4766 is registered to Korea Telecom. It announces about 46,345,056 IPv4 addresses.

How do I detect traffic from AS4766?

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.