Network · AS51522

AS51522 ONLINE LLC

AS51522 (ONLINE LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51522

  • OwnerONLINE LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses16,896
  • IPv4 ranges16
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 91.247.112.0/21
  • 185.99.152.0/21
  • 45.140.80.0/22
  • 194.28.36.0/22
  • 194.127.112.0/22
  • 185.99.160.0/22
  • 185.229.184.0/22
  • 185.185.180.0/22
  • 185.173.112.0/22
  • 185.151.128.0/22
  • 185.107.164.0/22
  • 185.107.156.0/22

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

Check an IP address →

Detect it in code

Spot AS51522 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 AS51522

Is AS51522 a datacenter or VPN network?

AS51522 (ONLINE LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51522?

AS51522 is registered to ONLINE LLC. It announces about 16,896 IPv4 addresses.

How do I detect traffic from AS51522?

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.