Network · AS39457

AS39457 Lufthansa Systems FligthNav AS

AS39457 (Lufthansa Systems FligthNav AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS39457

  • OwnerLufthansa Systems FligthNav AS
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 193.84.25.0/24

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

Check an IP address →

Detect it in code

Spot AS39457 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 AS39457

Is AS39457 a datacenter or VPN network?

AS39457 (Lufthansa Systems FligthNav AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS39457?

AS39457 is registered to Lufthansa Systems FligthNav AS. It announces about 256 IPv4 addresses.

How do I detect traffic from AS39457?

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.