Network · AS266373

AS266373 Justica Federal de Primeiro Grau em Santa Catarina

AS266373 (Justica Federal de Primeiro Grau em Santa Catarina) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS266373

  • OwnerJustica Federal de Primeiro Grau em Sa
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.80.5.0/24

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

Check an IP address →

Detect it in code

Spot AS266373 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 AS266373

Is AS266373 a datacenter or VPN network?

AS266373 (Justica Federal de Primeiro Grau em Santa Catarina) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS266373?

AS266373 is registered to Justica Federal de Primeiro Grau em Santa Catarina. It announces about 256 IPv4 addresses.

How do I detect traffic from AS266373?

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.