Network · AS19

AS19 Leidos, Inc.

AS19 (Leidos, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19

  • OwnerLeidos, Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses135,168
  • IPv4 ranges8
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 149.8.0.0/16
  • 140.162.0.0/16
  • 204.115.176.0/21
  • 205.153.240.0/22
  • 192.5.8.0/24
  • 192.33.134.0/24
  • 192.132.104.0/24
  • 192.131.125.0/24

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

Check an IP address →

Detect it in code

Spot AS19 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 AS19

Is AS19 a datacenter or VPN network?

AS19 (Leidos, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19?

AS19 is registered to Leidos, Inc.. It announces about 135,168 IPv4 addresses.

How do I detect traffic from AS19?

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.