Network · AS18148

AS18148 Fukuoka University

AS18148 (Fukuoka University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18148

OwnerFukuoka University
KindInternet service provider
Servers, not peopleno
IPv4 addresses65,024
IPv4 ranges8
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

133.100.128.0/17
133.100.64.0/18
133.100.32.0/19
133.100.16.0/20
133.100.0.0/21
133.100.12.0/22
133.100.8.0/24
133.100.10.0/24

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

Check an IP address →

Detect it in code

Spot AS18148 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 AS18148

Is AS18148 a datacenter or VPN network?

AS18148 (Fukuoka University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18148?

AS18148 is registered to Fukuoka University. It announces about 65,024 IPv4 addresses.

How do I detect traffic from AS18148?

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.