Network · AS35228

AS35228 Telefonica UK Limited

AS35228 (Telefonica UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS35228

OwnerTelefonica UK Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses201,728
IPv4 ranges20
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

93.97.0.0/16
87.194.0.0/16
158.230.0.0/17
46.233.64.0/18
82.132.224.0/20
82.132.160.0/20
82.132.240.0/21
82.132.216.0/21
82.132.176.0/21
82.132.212.0/22
82.132.184.0/22
185.79.104.0/22

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

Check an IP address →

Detect it in code

Spot AS35228 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 AS35228

Is AS35228 a datacenter or VPN network?

AS35228 (Telefonica UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS35228?

AS35228 is registered to Telefonica UK Limited. It announces about 201,728 IPv4 addresses.

How do I detect traffic from AS35228?

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.