Network · AS3488

AS3488 Information Systems Department, Japan Aerospace Exploration Agency

AS3488 (Information Systems Department, Japan Aerospace Exploration Agency) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3488

OwnerInformation Systems Department, Japan
KindInternet service provider
Servers, not peopleno
IPv4 addresses115,200
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

133.56.0.0/16
133.74.0.0/17
133.74.128.0/18
202.251.177.0/24
202.245.153.0/24

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

Check an IP address →

Detect it in code

Spot AS3488 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 AS3488

Is AS3488 a datacenter or VPN network?

AS3488 (Information Systems Department, Japan Aerospace Exploration Agency) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3488?

AS3488 is registered to Information Systems Department, Japan Aerospace Exploration Agency. It announces about 115,200 IPv4 addresses.

How do I detect traffic from AS3488?

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.