Network · AS18401

AS18401 DAEGU UNIVERSITY

AS18401 (DAEGU UNIVERSITY) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18401

  • OwnerDAEGU UNIVERSITY
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses27,648
  • IPv4 ranges7
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 203.244.128.0/18
  • 220.149.0.0/20
  • 203.207.16.0/20
  • 112.137.176.0/21
  • 203.241.214.0/23
  • 160.30.235.0/24
  • 160.30.229.0/24

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

Check an IP address →

Detect it in code

Spot AS18401 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 AS18401

Is AS18401 a datacenter or VPN network?

AS18401 (DAEGU UNIVERSITY) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18401?

AS18401 is registered to DAEGU UNIVERSITY. It announces about 27,648 IPv4 addresses.

How do I detect traffic from AS18401?

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.