Network · AS46203

AS46203 Fidelity National Information Services, Inc.

AS46203 (Fidelity National Information Services, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS46203

OwnerFidelity National Information Services
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges9
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.36.20.0/23
156.55.92.0/23
156.55.54.0/23
8.47.40.0/24
204.124.95.0/24
156.55.94.0/24
156.55.34.0/24
156.55.32.0/24
156.55.192.0/24

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

Check an IP address →

Detect it in code

Spot AS46203 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 AS46203

Is AS46203 a datacenter or VPN network?

AS46203 (Fidelity National Information Services, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS46203?

AS46203 is registered to Fidelity National Information Services, Inc.. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS46203?

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.