Report for 268357

Name

ALTERNATIVA REDE DE 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.

268357 ALTERNATIVA REDE DE TELECOMUNICACOES LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US
    AS263346        Fonte Informatica ltda, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21043 AS268357       ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  ALTERNATIVA REDE DE 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       %
 9476 AS268357      ALTERNATIVA REDE DE TELECOMUNICACOES LTDA, BR      7      6      1      2      5  71.43%


  Prefix               AS Path                              Aggregation Suggestion
  45.239.164.0/22      4777 2497 37468 263346 268357   
  45.239.164.0/23      4777 2497 37468 263346 268357 - Withdrawn - matching aggregate 45.239.164.0/22 4777 2497 37468 263346 268357
  45.239.164.0/22      4608 4826 6939 268357 + Announce - aggregate of 45.239.164.0/23 (4608 4826 6939 268357) and 45.239.166.0/23 (4608 4826 6939 268357)
  45.239.164.0/24      4608 4826 6939 268357 - Withdrawn - aggregated with 45.239.165.0/24 (4608 4826 6939 268357)
  45.239.165.0/24      4608 4826 6939 268357 - Withdrawn - aggregated with 45.239.164.0/24 (4608 4826 6939 268357)
  45.239.166.0/23      4777 2497 37468 263346 268357 - Withdrawn - matching aggregate 45.239.164.0/22 4777 2497 37468 263346 268357
  45.239.166.0/24      4608 4826 6939 268357 - Withdrawn - aggregated with 45.239.167.0/24 (4608 4826 6939 268357)
  45.239.167.0/24      4608 4826 6939 268357 - Withdrawn - aggregated with 45.239.166.0/24 (4608 4826 6939 268357)

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

AS268357   6 More Specifics   7 Total Advertisements   ALTERNATIVA REDE DE TELECOMUNICACOES LTDA, BR
    45.239.164.0/23               45.239.164.0/22
    45.239.164.0/24               45.239.164.0/22
    45.239.165.0/24               45.239.164.0/22
    45.239.166.0/23               45.239.164.0/22
    45.239.166.0/24               45.239.164.0/22
    45.239.167.0/24               45.239.164.0/22

Whois Entry

whois: 402332

IANA has recorded AS268357 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS268357\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.
             % 2026-04-01T10:49:35-03:00 - 2401:2000:6660::13
             
             aut-num:     AS268357
             owner:       ALTERNATIVA REDE DE TELECOMUNICACOES LTDA
             ownerid:     27.490.035/0001-02
             responsible: �BER BEZERRA PINHEIRO
             country:     BR
             owner-c:     ARCLT160
             routing-c:   JCSCO114
             abuse-c:     ARCLT160
             created:     20180716
             changed:     20250922
             inetnum:     45.239.164.0/22
             inetnum:     2804:4fe8::/32
             
             nic-hdl-br:  ARCLT160
             person:      Alternativa Redes de Comunica��o LTDA
             e-mail:      alternativatelecom1@gmail.com
             country:     BR
             created:     20180301
             changed:     20250210
             
             nic-hdl-br:  JCSCO114
             person:      JOSE CARLOS SANTOS COSTA
             e-mail:      contato@suporteisp.com.br
             country:     BR
             created:     20200613
             changed:     20251231
             
             % 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.