Network · AS55586

AS55586 THE CATHOLIC UNIVERSITY OF KOREA SONGSIM

AS55586 (THE CATHOLIC UNIVERSITY OF KOREA SONGSIM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55586

OwnerTHE CATHOLIC UNIVERSITY OF KOREA SONGS
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,608
IPv4 ranges9
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

211.222.56.0/22
1.224.172.0/22
220.68.30.0/23
210.126.48.0/23
203.229.206.0/23
220.68.29.0/24
203.229.205.0/24
175.119.40.0/24
175.119.39.0/24

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

Check an IP address →

Detect it in code

Spot AS55586 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 AS55586

Is AS55586 a datacenter or VPN network?

AS55586 (THE CATHOLIC UNIVERSITY OF KOREA SONGSIM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55586?

AS55586 is registered to THE CATHOLIC UNIVERSITY OF KOREA SONGSIM. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS55586?

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.