Network · AS52711

AS52711 FASTNET TELECOM

AS52711 (FASTNET TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS52711

OwnerFASTNET TELECOM
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

179.96.184.0/21
177.84.88.0/22

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

Check an IP address →

Detect it in code

Spot AS52711 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 AS52711

Is AS52711 a datacenter or VPN network?

AS52711 (FASTNET TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS52711?

AS52711 is registered to FASTNET TELECOM. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS52711?

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.