Network · AS54113

AS54113 Fastly

AS54113 (Fastly) 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

AS54113

OwnerFastly, Inc.
KindCDN or privacy relay
Servers, not peopleno
IPv4 addresses362,752
IPv4 ranges122
IPv6 ranges346

Risk score20

privacy_relayTraffic is relayed through a CDN or privacy service.

Largest IPv4 ranges

199.232.0.0/16
151.101.0.0/16
146.75.0.0/16
167.82.0.0/17
140.248.128.0/17
172.111.64.0/18
140.248.0.0/18
87.81.232.0/21
45.58.232.0/21
167.82.224.0/21
157.52.72.0/21
140.248.112.0/21

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 AS54113 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 AS54113

Is AS54113 a datacenter or VPN network?

AS54113 (Fastly) 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 AS54113?

AS54113 is registered to Fastly, Inc.. It announces about 362,752 IPv4 addresses.

How do I detect traffic from AS54113?

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.