Network · AS21150

AS21150 Atos Information Technology GmbH

AS21150 (Atos Information Technology GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21150

  • OwnerAtos Information Technology GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses28,416
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 155.45.160.0/19
  • 129.185.160.0/19
  • 217.115.64.0/20
  • 155.45.240.0/21
  • 155.45.208.0/21
  • 194.55.108.0/22
  • 185.60.36.0/22
  • 91.207.162.0/23
  • 194.8.100.0/24
  • 193.26.126.0/24
  • 193.138.113.0/24
  • 192.54.66.0/24

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

Check an IP address →

Detect it in code

Spot AS21150 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 AS21150

Is AS21150 a datacenter or VPN network?

AS21150 (Atos Information Technology GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21150?

AS21150 is registered to Atos Information Technology GmbH. It announces about 28,416 IPv4 addresses.

How do I detect traffic from AS21150?

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.