Network · AS21665

AS21665 AmpLight Ventures LLC

AS21665 (AmpLight Ventures LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21665

OwnerAmpLight Ventures LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

23.133.140.0/24

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

Check an IP address →

Detect it in code

Spot AS21665 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 AS21665

Is AS21665 a datacenter or VPN network?

AS21665 (AmpLight Ventures LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21665?

AS21665 is registered to AmpLight Ventures LLC. It announces about 256 IPv4 addresses.

How do I detect traffic from AS21665?

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.