Network · AS51430

AS51430 AltusHost B.V.

AS51430 (AltusHost B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51430

OwnerAltusHost B.V.
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,480
IPv4 ranges22
IPv6 ranges9

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

79.142.64.0/20
37.46.112.0/20
31.3.152.0/21
213.5.64.0/21
128.127.104.0/21
185.2.28.0/22
185.10.56.0/22
185.7.34.0/23
91.214.47.0/24
82.27.247.0/24
82.27.228.0/24
82.26.247.0/24

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

Check an IP address →

Detect it in code

Spot AS51430 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 AS51430

Is AS51430 a datacenter or VPN network?

AS51430 (AltusHost B.V.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51430?

AS51430 is registered to AltusHost B.V.. It announces about 20,480 IPv4 addresses.

How do I detect traffic from AS51430?

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.