Network · AS4997

AS4997 Zayo Bandwidth

AS4997 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS4997

OwnerZayo Bandwidth
KindInternet service provider
Servers, not peopleno
IPv4 addresses22,784
IPv4 ranges17
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

216.222.48.0/20
216.222.0.0/20
216.222.40.0/21
208.39.248.0/21
208.39.232.0/21
208.39.192.0/21
216.222.36.0/22
216.222.24.0/22
208.39.224.0/22
216.222.92.0/23
216.222.90.0/23
216.222.32.0/23

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

Check an IP address →

Detect it in code

Spot AS4997 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 AS4997

Is AS4997 a datacenter or VPN network?

AS4997 (Zayo Bandwidth) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS4997?

AS4997 is registered to Zayo Bandwidth. It announces about 22,784 IPv4 addresses.

How do I detect traffic from AS4997?

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.