Network · AS28357

AS28357 RBS ZERO HORA EDITORA JORNALÍSTICA

AS28357 (RBS ZERO HORA EDITORA JORNALÍSTICA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS28357

  • OwnerRBS ZERO HORA EDITORA JORNALÍSTICA
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,096
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 189.76.144.0/20

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

Check an IP address →

Detect it in code

Spot AS28357 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 AS28357

Is AS28357 a datacenter or VPN network?

AS28357 (RBS ZERO HORA EDITORA JORNALÍSTICA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS28357?

AS28357 is registered to RBS ZERO HORA EDITORA JORNALÍSTICA. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS28357?

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.