Network · AS25353

AS25353 BAR Informatik AG

AS25353 (BAR Informatik AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25353

OwnerBAR Informatik AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,400
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

81.201.192.0/20
46.235.56.0/21
193.162.79.0/24

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

Check an IP address →

Detect it in code

Spot AS25353 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 AS25353

Is AS25353 a datacenter or VPN network?

AS25353 (BAR Informatik AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25353?

AS25353 is registered to BAR Informatik AG. It announces about 6,400 IPv4 addresses.

How do I detect traffic from AS25353?

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.