Network · AS13666

AS13666 Verizon Business

AS13666 (Verizon Business) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13666

  • OwnerVerizon Business
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses2,560
  • IPv4 ranges9
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 63.64.106.0/23
  • 65.242.63.0/24
  • 65.242.122.0/24
  • 65.242.112.0/24
  • 65.222.244.0/24
  • 63.64.73.0/24
  • 208.251.210.0/24
  • 206.64.200.0/24
  • 204.177.181.0/24

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

Check an IP address →

Detect it in code

Spot AS13666 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 AS13666

Is AS13666 a datacenter or VPN network?

AS13666 (Verizon Business) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13666?

AS13666 is registered to Verizon Business. It announces about 2,560 IPv4 addresses.

How do I detect traffic from AS13666?

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.