Network · AS13536

AS13536 FirstLight Networks, LLC

AS13536 (FirstLight Networks, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13536

OwnerFirstLight Networks, LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses316,160
IPv4 ranges102
IPv6 ranges22

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

143.66.0.0/15
150.155.0.0/16
216.179.0.0/17
72.0.128.0/19
66.109.32.0/19
216.107.192.0/19
69.24.0.0/20
66.152.96.0/20
216.107.224.0/20
209.94.112.0/20
173.243.160.0/20
67.217.112.0/21

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

Check an IP address →

Detect it in code

Spot AS13536 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 AS13536

Is AS13536 a datacenter or VPN network?

AS13536 (FirstLight Networks, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13536?

AS13536 is registered to FirstLight Networks, LLC. It announces about 316,160 IPv4 addresses.

How do I detect traffic from AS13536?

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.