Network · AS27357

AS27357 Rackspace Hosting

AS27357 (Rackspace Hosting) is a hosting provider network. Its addresses are servers, not home or mobile connections, so a signup from it is likely automated or behind a VPN.

Network check ASN

AS27357

  • OwnerRackspace Hosting
  • KindHosting provider
  • Servers, not peopleyes
  • IPv4 addresses262,912
  • IPv4 ranges39
  • IPv6 ranges1
Risk score55
  • datacenter_ipAddresses here are servers, not home or mobile connections.

Largest IPv4 ranges

  • 69.20.0.0/17
  • 146.20.0.0/17
  • 207.97.192.0/18
  • 204.232.128.0/18
  • 173.203.128.0/18
  • 162.242.192.0/18
  • 146.20.128.0/18
  • 104.130.0.0/18
  • 74.205.0.0/19
  • 23.253.128.0/19
  • 204.232.224.0/19
  • 172.99.64.0/19

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

Check an IP address →

Detect it in code

Spot AS27357 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 AS27357

Is AS27357 a datacenter or VPN network?

AS27357 (Rackspace Hosting) is a hosting provider network. Its addresses are servers, not home or mobile connections, so a signup from it is likely automated or behind a VPN.

Who owns AS27357?

AS27357 is registered to Rackspace Hosting. It announces about 262,912 IPv4 addresses.

How do I detect traffic from AS27357?

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.