Network · AS9604

AS9604 FUJI SOFT INCORPORATED

AS9604 (FUJI SOFT INCORPORATED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9604

OwnerFUJI SOFT INCORPORATED
KindInternet service provider
Servers, not peopleno
IPv4 addresses14,336
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

157.120.128.0/19
202.149.0.0/20
202.149.16.0/21

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

Check an IP address →

Detect it in code

Spot AS9604 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 AS9604

Is AS9604 a datacenter or VPN network?

AS9604 (FUJI SOFT INCORPORATED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9604?

AS9604 is registered to FUJI SOFT INCORPORATED. It announces about 14,336 IPv4 addresses.

How do I detect traffic from AS9604?

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.