Network · AS28159

AS28159 PRODERJ - Centro de Tecnologia da Informação do RJ

AS28159 (PRODERJ - Centro de Tecnologia da Informação do RJ) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28159

  • OwnerPRODERJ - Centro de Tecnologia da Info
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses19,456
  • IPv4 ranges5
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 200.156.32.0/19
  • 200.20.32.0/20
  • 187.62.128.0/20
  • 200.20.48.0/21
  • 200.20.28.0/22

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

Check an IP address →

Detect it in code

Spot AS28159 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 AS28159

Is AS28159 a datacenter or VPN network?

AS28159 (PRODERJ - Centro de Tecnologia da Informação do RJ) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28159?

AS28159 is registered to PRODERJ - Centro de Tecnologia da Informação do RJ. It announces about 19,456 IPv4 addresses.

How do I detect traffic from AS28159?

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.