Network · AS11686

AS11686 Zayo Bandwidth

AS11686 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS11686

  • OwnerZayo Bandwidth
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses732,928
  • IPv4 ranges34
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.180.0.0/14
  • 96.4.0.0/15
  • 208.119.0.0/16
  • 165.139.0.0/16
  • 170.185.128.0/17
  • 168.254.128.0/17
  • 165.138.0.0/17
  • 170.185.0.0/18
  • 168.254.64.0/18
  • 165.138.128.0/18
  • 170.185.64.0/19
  • 168.254.32.0/19

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

Check an IP address →

Detect it in code

Spot AS11686 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 AS11686

Is AS11686 a datacenter or VPN network?

AS11686 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS11686?

AS11686 is registered to Zayo Bandwidth. It announces about 732,928 IPv4 addresses.

How do I detect traffic from AS11686?

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.