Network · AS49033

AS49033 Critical Core BV

AS49033 (Critical Core BV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS49033

OwnerCritical Core BV
KindInternet service provider
Servers, not peopleno
IPv4 addresses14,592
IPv4 ranges15
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

94.46.216.0/22
68.64.204.0/22
45.8.236.0/22
216.152.64.0/22
204.8.80.0/22
185.91.92.0/22
185.238.108.0/22
185.232.160.0/22
185.171.48.0/22
185.166.88.0/22
185.116.144.0/22
113.212.72.0/22

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

Check an IP address →

Detect it in code

Spot AS49033 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 AS49033

Is AS49033 a datacenter or VPN network?

AS49033 (Critical Core BV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS49033?

AS49033 is registered to Critical Core BV. It announces about 14,592 IPv4 addresses.

How do I detect traffic from AS49033?

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.