Network · AS201205

AS201205 Fluvius System Operator CV

AS201205 (Fluvius System Operator CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS201205

OwnerFluvius System Operator CV
KindInternet service provider
Servers, not peopleno
IPv4 addresses8,448
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

147.12.64.0/19
185.29.4.0/24

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

Check an IP address →

Detect it in code

Spot AS201205 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 AS201205

Is AS201205 a datacenter or VPN network?

AS201205 (Fluvius System Operator CV) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS201205?

AS201205 is registered to Fluvius System Operator CV. It announces about 8,448 IPv4 addresses.

How do I detect traffic from AS201205?

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.