Network · AS1555

AS1555 DoD Network Information Center

AS1555 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS1555

OwnerDoD Network Information Center
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,352
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

136.210.232.0/21
136.210.228.0/22
136.210.226.0/23
143.86.204.0/24
139.139.99.0/24
136.210.225.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS1555 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 AS1555

Is AS1555 a datacenter or VPN network?

AS1555 (DoD Network Information Center) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS1555?

AS1555 is registered to DoD Network Information Center. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS1555?

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.