Network · AS263273

AS263273 INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE

AS263273 (INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS263273

  • OwnerINST. FED. DE EDUCACAO CIENCIA E TECNO
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 191.37.254.0/24

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

Check an IP address →

Detect it in code

Spot AS263273 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 AS263273

Is AS263273 a datacenter or VPN network?

AS263273 (INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS263273?

AS263273 is registered to INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE. It announces about 256 IPv4 addresses.

How do I detect traffic from AS263273?

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.