Network · AS28370

AS28370 GUIFAMI Informática Ltda.

AS28370 (GUIFAMI Informática Ltda.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28370

OwnerGUIFAMI Informática Ltda.
KindInternet service provider
Servers, not peopleno
IPv4 addresses9,216
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

189.84.144.0/20
187.45.144.0/20
45.172.144.0/22

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

Check an IP address →

Detect it in code

Spot AS28370 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 AS28370

Is AS28370 a datacenter or VPN network?

AS28370 (GUIFAMI Informática Ltda.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28370?

AS28370 is registered to GUIFAMI Informática Ltda.. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS28370?

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.