Network · AS9978

AS9978 The University of Seoul

AS9978 (The University of Seoul) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9978

OwnerThe University of Seoul
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,656
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

203.249.96.0/20
210.125.176.0/21
222.109.143.0/24
1.229.202.0/24

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

Check an IP address →

Detect it in code

Spot AS9978 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 AS9978

Is AS9978 a datacenter or VPN network?

AS9978 (The University of Seoul) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9978?

AS9978 is registered to The University of Seoul. It announces about 6,656 IPv4 addresses.

How do I detect traffic from AS9978?

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.