Network · AS33132

AS33132 Zayo Bandwidth

AS33132 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS33132

  • OwnerZayo Bandwidth
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses129,792
  • IPv4 ranges59
  • IPv6 ranges4
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 167.93.0.0/17
  • 170.55.64.0/19
  • 170.55.32.0/19
  • 170.55.224.0/19
  • 170.55.128.0/19
  • 69.80.64.0/20
  • 170.55.96.0/20
  • 170.55.208.0/20
  • 170.55.176.0/20
  • 170.55.0.0/20
  • 74.120.40.0/21
  • 45.73.152.0/21

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

Check an IP address →

Detect it in code

Spot AS33132 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 AS33132

Is AS33132 a datacenter or VPN network?

AS33132 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS33132?

AS33132 is registered to Zayo Bandwidth. It announces about 129,792 IPv4 addresses.

How do I detect traffic from AS33132?

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.