Network · AS23668

AS23668 TECH UNIVERSITY OF KOREA

AS23668 (TECH UNIVERSITY OF KOREA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23668

OwnerTECH UNIVERSITY OF KOREA
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,632
IPv4 ranges9
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

210.93.48.0/21
210.93.56.0/22
220.149.216.0/23
210.93.60.0/23
210.93.24.0/23
220.149.218.0/24
220.149.128.0/24
220.149.120.0/24
220.149.119.0/24

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

Check an IP address →

Detect it in code

Spot AS23668 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 AS23668

Is AS23668 a datacenter or VPN network?

AS23668 (TECH UNIVERSITY OF KOREA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23668?

AS23668 is registered to TECH UNIVERSITY OF KOREA. It announces about 5,632 IPv4 addresses.

How do I detect traffic from AS23668?

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.