Network · AS53991

AS53991 Acronis

AS53991 (Acronis) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS53991

  • OwnerAcronis
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,216
  • IPv4 ranges17
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 209.137.180.0/22
  • 205.196.140.0/22
  • 199.83.244.0/22
  • 199.193.156.0/22
  • 75.127.100.0/23
  • 23.231.20.0/23
  • 216.245.154.0/23
  • 209.236.198.0/23
  • 206.188.216.0/23
  • 164.152.124.0/23
  • 162.244.6.0/23
  • 91.198.51.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS53991 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 AS53991

Is AS53991 a datacenter or VPN network?

AS53991 (Acronis) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS53991?

AS53991 is registered to Acronis. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS53991?

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.