Network · AS57433

AS57433 intercolo GmbH

AS57433 (intercolo GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57433

Ownerintercolo GmbH
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges3
IPv6 ranges14

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

94.154.48.0/21
43.251.162.0/23
37.114.32.0/23

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

Check an IP address →

Detect it in code

Spot AS57433 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 AS57433

Is AS57433 a datacenter or VPN network?

AS57433 (intercolo GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57433?

AS57433 is registered to intercolo GmbH. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS57433?

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.