Network · AS52703

AS52703 Fundação São Paulo

AS52703 (Fundação São Paulo) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS52703

OwnerFundação São Paulo
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,352
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

200.144.144.0/20
200.144.80.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS52703 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 AS52703

Is AS52703 a datacenter or VPN network?

AS52703 (Fundação São Paulo) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS52703?

AS52703 is registered to Fundação São Paulo. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS52703?

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.