Network · AS46378

AS46378 FSX HOLDINGS, LLC

AS46378 (FSX HOLDINGS, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS46378

OwnerFSX HOLDINGS, LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses9,216
IPv4 ranges8
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

195.167.160.0/20
208.73.160.0/21
8.27.110.0/23
8.10.14.0/23
66.172.40.0/23
216.176.202.0/23
185.148.32.0/23
170.62.64.0/23

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

Check an IP address →

Detect it in code

Spot AS46378 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 AS46378

Is AS46378 a datacenter or VPN network?

AS46378 (FSX HOLDINGS, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS46378?

AS46378 is registered to FSX HOLDINGS, LLC. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS46378?

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.