Network · AS6040

AS6040 DoD Network Information Center

AS6040 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS6040

OwnerDoD Network Information Center
KindInternet service provider
Servers, not peopleno
IPv4 addresses18,944
IPv4 ranges47
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

155.19.80.0/21
140.185.60.0/22
140.185.240.0/22
140.185.172.0/22
140.185.128.0/22
155.19.112.0/23
155.19.108.0/23
140.185.74.0/23
140.185.36.0/23
140.185.24.0/23
140.185.224.0/23
140.185.22.0/23

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

Check an IP address →

Detect it in code

Spot AS6040 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 AS6040

Is AS6040 a datacenter or VPN network?

AS6040 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS6040?

AS6040 is registered to DoD Network Information Center. It announces about 18,944 IPv4 addresses.

How do I detect traffic from AS6040?

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.