Network · AS15320

AS15320 FirstLight Networks, LLC

AS15320 (FirstLight Networks, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15320

  • OwnerFirstLight Networks, LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses12,032
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 216.27.112.0/21
  • 216.130.224.0/21
  • 173.242.96.0/21
  • 216.27.124.0/22
  • 216.130.232.0/22
  • 173.242.104.0/22
  • 216.27.122.0/23
  • 216.238.168.0/23
  • 216.130.236.0/23
  • 173.242.108.0/23
  • 216.27.121.0/24
  • 173.242.110.0/24

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

Check an IP address →

Detect it in code

Spot AS15320 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 AS15320

Is AS15320 a datacenter or VPN network?

AS15320 (FirstLight Networks, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15320?

AS15320 is registered to FirstLight Networks, LLC. It announces about 12,032 IPv4 addresses.

How do I detect traffic from AS15320?

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.