Report for 52583

Name

AS52583 - Asstelecom telecomunicacao Ltda me, 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.

52583 AS52583 - Asstelecom telecomunicacao Ltda me, BR

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS266136        AS266136 - R.A INTERNET, BR
    AS53147         AS53147 - FONTES SOLUCOES TECNOLOGICAS LTDA, BR
    AS263073        AS263073 - DTEL TELECOM, BR
    AS14840         AS14840 - BR.Digital Telecom, BR
    AS52965         AS52965 - 1TELECOM SERVICOS DE TECNOLOGIA EM INTERNET LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23396 AS52583        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  AS52583 - Asstelecom telecomunicacao Ltda me, 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       %
16799 AS52583       AS52583 - Asstelecom telecomunicacao Ltda me,      7      2      0      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  177.87.168.0/23      4777 2497 174 14840 266136 52583   
  177.87.170.0/24      4777 2516 6762 26615 52965 52583 52583 52583   
  177.87.171.0/24      4608 7575 7195 263073 52583   
  177.87.172.0/23      4777 2516 6762 14840 52583   
  177.87.172.0/24      4777 2516 6762 14840 52583 - Withdrawn - matching aggregate 177.87.172.0/23 4777 2516 6762 14840 52583
  177.87.173.0/24      4777 2516 6762 14840 52583 - Withdrawn - matching aggregate 177.87.172.0/23 4777 2516 6762 14840 52583
  177.87.174.0/24      4777 2497 3356 16735 53147 52583   

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

AS52583   7 More Specifics   7 Total Advertisements   AS52583 - Asstelecom telecomunicacao Ltda me, BR
    177.87.168.0/23               177.87.168.0/21
    177.87.170.0/24               177.87.168.0/21
    177.87.171.0/24               177.87.168.0/21
    177.87.172.0/23               177.87.168.0/21
    177.87.172.0/24               177.87.168.0/21
    177.87.173.0/24               177.87.168.0/21
    177.87.174.0/24               177.87.168.0/21

Whois Entry

whois: 402591

IANA has recorded AS52583 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52583\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.
             % 2026-06-05T11:42:10-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52583
             owner:       Asstelecom telecomunica��o Ltda me
             ownerid:     11.774.781/0001-98
             responsible: Romulo Philipe de Barros Alves
             country:     BR
             owner-c:     AGMSO5
             routing-c:   ISTCO17
             abuse-c:     ISTCO17
             created:     20130301
             changed:     20240610
             inetnum:     177.87.168.0/21
             inetnum:     2804:d00::/32
             
             nic-hdl-br:  AGMSO5
             person:      agela maria de souza
             e-mail:      financeiro@assfibra.com.br
             country:     BR
             created:     20101024
             changed:     20250623
             
             nic-hdl-br:  ISTCO17
             person:      i96 Solu��es Tecnologia e Consultoria
             e-mail:      contato@i96.com.br
             country:     BR
             created:     20211015
             changed:     20260116
             
             % 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.