Network · AS22238

AS22238 Defense Advanced Research Projects Agency(DARPA)

AS22238 (Defense Advanced Research Projects Agency(DARPA)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS22238

  • OwnerDefense Advanced Research Projects Age
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,536
  • IPv4 ranges6
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 192.5.18.0/24
  • 192.187.8.0/24
  • 158.63.4.0/24
  • 158.63.254.0/24
  • 158.63.250.0/24
  • 158.63.2.0/24

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

Check an IP address →

Detect it in code

Spot AS22238 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 AS22238

Is AS22238 a datacenter or VPN network?

AS22238 (Defense Advanced Research Projects Agency(DARPA)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS22238?

AS22238 is registered to Defense Advanced Research Projects Agency(DARPA). It announces about 1,536 IPv4 addresses.

How do I detect traffic from AS22238?

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.