Network · AS3923

AS3923 Federal Aviation Administration

AS3923 (Federal Aviation Administration) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3923

OwnerFederal Aviation Administration
KindInternet service provider
Servers, not peopleno
IPv4 addresses67,840
IPv4 ranges3
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

162.58.0.0/16
152.123.8.0/21
152.123.16.0/24

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

Check an IP address →

Detect it in code

Spot AS3923 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 AS3923

Is AS3923 a datacenter or VPN network?

AS3923 (Federal Aviation Administration) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3923?

AS3923 is registered to Federal Aviation Administration. It announces about 67,840 IPv4 addresses.

How do I detect traffic from AS3923?

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.