Report for 28351

Name

Claro NXT Telecomunicacoes Ltda, BR

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

28351 Claro NXT Telecomunicacoes Ltda, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4230          CLARO S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11703 AS28351        ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  Claro NXT Telecomunicacoes Ltda, BR

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
15927 AS28351       Claro NXT Telecomunicacoes Ltda, BR                3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  189.51.176.0/20      4777 2516 4230 28351   
  189.51.176.0/21      4777 2516 4230 28351 - Withdrawn - matching aggregate 189.51.176.0/20 4777 2516 4230 28351
  189.51.184.0/21      4777 2516 4230 28351 - Withdrawn - matching aggregate 189.51.176.0/20 4777 2516 4230 28351

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS28351   2 More Specifics   3 Total Advertisements   Claro NXT Telecomunicacoes Ltda, BR
    189.51.176.0/21               189.51.176.0/20
    189.51.184.0/21               189.51.176.0/20

Whois Entry

whois: 402332

IANA has recorded AS28351 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28351\n             % IP Client: 2401:2000:6660::13
              % 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.
             % 2026-04-23T09:34:33-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28351
             owner:       Claro NXT Telecomunicacoes Ltda
             ownerid:     66.970.229/0001-67
             responsible: Suporte Redes
             country:     BR
             owner-c:     GRSVI
             routing-c:   GRSVI
             abuse-c:     GRSVI
             created:     20070927
             changed:     20220616
             inetnum:     189.51.176.0/20
             
             nic-hdl-br:  GRSVI
             person:      Grupo de Seguran�a V�rtua
             e-mail:      virtua@virtua.com.br
             country:     BR
             created:     20080512
             changed:     20230704
             
             % 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.