Network · AS13335

AS13335 Cloudflare

AS13335 (Cloudflare) is a CDN or privacy relay. Real people can appear behind it (for example with a privacy relay), so treat it as a weak signal.

Network check ASN

AS13335

  • OwnerCloudflare, Inc.
  • KindCDN or privacy relay
  • Servers, not peopleno
  • IPv4 addresses1,388,800
  • IPv4 ranges927
  • IPv6 ranges1,333
Risk score20
  • privacy_relayTraffic is relayed through a CDN or privacy service.

Largest IPv4 ranges

  • 104.16.0.0/14
  • 172.65.0.0/16
  • 104.28.0.0/16
  • 104.25.0.0/16
  • 172.67.128.0/17
  • 152.114.0.0/17
  • 104.27.0.0/17
  • 104.24.128.0/17
  • 104.21.0.0/17
  • 204.195.192.0/18
  • 172.67.64.0/18
  • 162.159.0.0/18

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

Check an IP address →

Detect it in code

Spot AS13335 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 AS13335

Is AS13335 a datacenter or VPN network?

AS13335 (Cloudflare) is a CDN or privacy relay. Real people can appear behind it (for example with a privacy relay), so treat it as a weak signal.

Who owns AS13335?

AS13335 is registered to Cloudflare, Inc.. It announces about 1,388,800 IPv4 addresses.

How do I detect traffic from AS13335?

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.