Network · AS55374

AS55374 FUJITSU LIMITED

AS55374 (FUJITSU LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55374

OwnerFUJITSU LIMITED
KindInternet service provider
Servers, not peopleno
IPv4 addresses73,472
IPv4 ranges76
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

133.162.192.0/19
111.171.192.0/19
164.70.0.0/20
133.162.64.0/20
61.210.160.0/21
175.184.32.0/21
164.70.16.0/21
133.162.96.0/21
133.162.160.0/21
124.24.56.0/21
124.24.32.0/21
116.83.184.0/21

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

Check an IP address →

Detect it in code

Spot AS55374 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 AS55374

Is AS55374 a datacenter or VPN network?

AS55374 (FUJITSU LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55374?

AS55374 is registered to FUJITSU LIMITED. It announces about 73,472 IPv4 addresses.

How do I detect traffic from AS55374?

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.