Network · AS400099

AS400099 Alliance Data Services LLC

AS400099 (Alliance Data Services LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400099

OwnerAlliance Data Services LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

154.63.40.0/22
64.27.184.0/23
64.27.182.0/23

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

Check an IP address →

Detect it in code

Spot AS400099 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 AS400099

Is AS400099 a datacenter or VPN network?

AS400099 (Alliance Data Services LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400099?

AS400099 is registered to Alliance Data Services LLC. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS400099?

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.