ASN Lookup Tool

RBS ZERO HORA EDITORA JORNALÍSTICA BR BR 4 Routes

AS Data

AS28357

AS28357 – RBS ZERO HORA EDITORA JORNALÍSTICA

AS Number 28357
AS Name
Organization RBS ZERO HORA EDITORA JORNALÍSTICA
Country BR
Number of IPv4 Routes 2
Number of IPv6 Routes 2
ASN type BUSINESS
Registry lacnic
Date Allocated 2007-11-01

ASN Intelligence API for production workflows

Use ASN data for AS28357 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route # IPs
189.76.152.0/21 2048
2804:11c::/32 ~79×10²⁷
189.76.144.0/20 4096
2804:11c::/33 ~40×10²⁷

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-04-12T09:19:54-03:00 - 134.199.69.119

aut-num:     AS28357
owner:       RBS ZERO HORA EDITORA JORNAL�STICA
responsible: Departamento Jur�dico Grupo RBS
owner-c:     DJGRB
routing-c:   DJGRB
abuse-c:     DJGRB
created:     20071101
changed:     20150706
inetnum:     2804:11c::/32
inetnum:     189.76.144.0/20

nic-hdl-br:  DJGRB
person:      Departamento Jur�dico Grupo RBS
created:     20110624
changed:     20241219

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

Peers

AS Number Description Country
AS266438 GNS FIBRA BR
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS266438 GNS FIBRA BR
AS4230 CLARO S.A. BR

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Frequently Asked Questions

ASN AS28357 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28357 is listed under RBS ZERO HORA EDITORA JORNALÍSTICA.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.