Network · AS27138

AS27138 DoD Network Information Center

AS27138 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS27138

  • OwnerDoD Network Information Center
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses45,824
  • IPv4 ranges118
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 214.51.16.0/20
  • 128.26.16.0/21
  • 128.26.96.0/22
  • 128.26.88.0/22
  • 128.26.44.0/22
  • 128.26.240.0/22
  • 214.29.124.0/23
  • 214.29.116.0/23
  • 214.25.192.0/23
  • 205.73.190.0/23
  • 205.73.180.0/23
  • 205.61.254.0/23

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

Check an IP address →

Detect it in code

Spot AS27138 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 AS27138

Is AS27138 a datacenter or VPN network?

AS27138 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS27138?

AS27138 is registered to DoD Network Information Center. It announces about 45,824 IPv4 addresses.

How do I detect traffic from AS27138?

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.