Network · AS44066

AS44066 firstcolo GmbH

AS44066 (firstcolo GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS44066

  • Ownerfirstcolo GmbH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses147,968
  • IPv4 ranges132
  • IPv6 ranges13
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 82.211.0.0/18
  • 84.201.32.0/19
  • 84.200.32.0/19
  • 84.200.224.0/19
  • 84.200.160.0/19
  • 37.114.96.0/19
  • 84.200.96.0/20
  • 84.200.208.0/20
  • 84.200.0.0/20
  • 212.224.64.0/20
  • 84.200.64.0/21
  • 84.200.144.0/21

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

Check an IP address →

Detect it in code

Spot AS44066 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 AS44066

Is AS44066 a datacenter or VPN network?

AS44066 (firstcolo GmbH) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS44066?

AS44066 is registered to firstcolo GmbH. It announces about 147,968 IPv4 addresses.

How do I detect traffic from AS44066?

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.