Network · AS11273

AS11273 Fiserv Solutions, LLC

AS11273 (Fiserv Solutions, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS11273

  • OwnerFiserv Solutions, LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses160,000
  • IPv4 ranges88
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.186.0.0/17
  • 167.16.0.0/17
  • 167.16.128.0/18
  • 170.186.224.0/19
  • 170.186.160.0/19
  • 167.16.192.0/19
  • 170.186.208.0/20
  • 167.16.224.0/20
  • 216.66.216.0/21
  • 208.72.248.0/21
  • 170.186.192.0/21
  • 170.186.144.0/21

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

Check an IP address →

Detect it in code

Spot AS11273 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 AS11273

Is AS11273 a datacenter or VPN network?

AS11273 (Fiserv Solutions, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS11273?

AS11273 is registered to Fiserv Solutions, LLC. It announces about 160,000 IPv4 addresses.

How do I detect traffic from AS11273?

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.