Network · AS18434

AS18434 Fidelity National Information Services, Inc.

AS18434 (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

AS18434

OwnerFidelity National Information Services
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,344
IPv4 ranges67
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

206.71.16.0/22
199.200.24.0/22
185.41.232.0/22
156.55.200.0/22
156.55.164.0/22
69.36.26.0/23
63.141.160.0/23
216.189.254.0/23
206.71.28.0/23
206.71.20.0/23
198.84.8.0/23
156.55.204.0/23

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

Check an IP address →

Detect it in code

Spot AS18434 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 AS18434

Is AS18434 a datacenter or VPN network?

AS18434 (Fidelity National Information Services, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18434?

AS18434 is registered to Fidelity National Information Services, Inc.. It announces about 25,344 IPv4 addresses.

How do I detect traffic from AS18434?

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.