Network · AS9531

AS9531 Gwangju Education Research Information Service

AS9531 (Gwangju Education Research Information Service) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9531

OwnerGwangju Education Research Information
KindInternet service provider
Servers, not peopleno
IPv4 addresses36,096
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

210.218.0.0/18
210.218.64.0/19
210.217.224.0/19
211.253.72.0/21
211.253.68.0/22
211.223.148.0/24

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

Check an IP address →

Detect it in code

Spot AS9531 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 AS9531

Is AS9531 a datacenter or VPN network?

AS9531 (Gwangju Education Research Information Service) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9531?

AS9531 is registered to Gwangju Education Research Information Service. It announces about 36,096 IPv4 addresses.

How do I detect traffic from AS9531?

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.