Network · AS8070

AS8070 Microsoft Corporation

AS8070 (Microsoft Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8070

  • OwnerMicrosoft Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,073,920
  • IPv4 ranges28
  • IPv6 ranges9
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 57.16.0.0/14
  • 62.10.0.0/15
  • 52.126.0.0/15
  • 51.54.0.0/15
  • 20.34.0.0/15
  • 20.158.0.0/15
  • 20.140.0.0/15
  • 195.134.224.0/19
  • 131.253.80.0/20
  • 204.13.120.0/21
  • 131.253.112.0/21
  • 165.159.188.0/22

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

Check an IP address →

Detect it in code

Spot AS8070 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 AS8070

Is AS8070 a datacenter or VPN network?

AS8070 (Microsoft Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8070?

AS8070 is registered to Microsoft Corporation. It announces about 1,073,920 IPv4 addresses.

How do I detect traffic from AS8070?

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.