Network · AS28756

AS28756 European Patent Organisation

AS28756 (European Patent Organisation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28756

OwnerEuropean Patent Organisation
KindInternet service provider
Servers, not peopleno
IPv4 addresses15,104
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

145.64.128.0/19
145.64.240.0/20
145.64.160.0/21
145.64.168.0/23
145.64.170.0/24

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

Check an IP address →

Detect it in code

Spot AS28756 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 AS28756

Is AS28756 a datacenter or VPN network?

AS28756 (European Patent Organisation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28756?

AS28756 is registered to European Patent Organisation. It announces about 15,104 IPv4 addresses.

How do I detect traffic from AS28756?

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.