Network · AS28952

AS28952 O2 Business Services, a.s

AS28952 (O2 Business Services, a.s) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28952

OwnerO2 Business Services, a.s
KindInternet service provider
Servers, not peopleno
IPv4 addresses43,264
IPv4 ranges9
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

90.176.0.0/19
46.34.224.0/19
37.152.96.0/19
31.3.32.0/19
37.58.0.0/20
151.236.224.0/20
91.191.80.0/22
185.103.144.0/22
91.191.69.0/24

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

Check an IP address →

Detect it in code

Spot AS28952 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 AS28952

Is AS28952 a datacenter or VPN network?

AS28952 (O2 Business Services, a.s) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28952?

AS28952 is registered to O2 Business Services, a.s. It announces about 43,264 IPv4 addresses.

How do I detect traffic from AS28952?

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.