Network · AS16417

AS16417 Cisco Systems Ironport Division

AS16417 (Cisco Systems Ironport Division) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16417

  • OwnerCisco Systems Ironport Division
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses29,952
  • IPv4 ranges52
  • IPv6 ranges6
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 216.71.128.0/21
  • 68.232.144.0/22
  • 68.232.140.0/22
  • 68.232.128.0/22
  • 23.90.96.0/22
  • 23.90.124.0/22
  • 216.71.152.0/22
  • 216.71.144.0/22
  • 216.71.140.0/22
  • 207.54.92.0/22
  • 207.54.84.0/22
  • 184.94.248.0/22

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

Check an IP address →

Detect it in code

Spot AS16417 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 AS16417

Is AS16417 a datacenter or VPN network?

AS16417 (Cisco Systems Ironport Division) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16417?

AS16417 is registered to Cisco Systems Ironport Division. It announces about 29,952 IPv4 addresses.

How do I detect traffic from AS16417?

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.