Network · AS3352

AS3352 TELEFONICA DE ESPANA S.A.U.

AS3352 (TELEFONICA DE ESPANA S.A.U.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3352

OwnerTELEFONICA DE ESPANA S.A.U.
KindInternet service provider
Servers, not peopleno
IPv4 addresses10,382,592
IPv4 ranges354
IPv6 ranges27

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

88.0.0.0/11
83.32.0.0/11
79.144.0.0/12
95.120.0.0/13
81.32.0.0/13
80.24.0.0/13
2.136.0.0/13
81.40.0.0/14
176.84.0.0/14
80.38.0.0/15
37.12.0.0/15
217.126.0.0/15

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

Check an IP address →

Detect it in code

Spot AS3352 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 AS3352

Is AS3352 a datacenter or VPN network?

AS3352 (TELEFONICA DE ESPANA S.A.U.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3352?

AS3352 is registered to TELEFONICA DE ESPANA S.A.U.. It announces about 10,382,592 IPv4 addresses.

How do I detect traffic from AS3352?

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.