Report for 28577

Name

AZEVEDO E FLORIANI 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.

28577 AZEVEDO E FLORIANI TELECOMUNICACOES LTDA., BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS14840         BR.Digital Telecom, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11714 AS28577        ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  AZEVEDO E FLORIANI 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       %
 5688 AS28577       AZEVEDO E FLORIANI TELECOMUNICACOES LTDA., BR     10      8      0      2      8  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  138.99.52.0/22       4777 2516 6762 14840 28577   
  138.99.52.0/23       4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 138.99.52.0/22 4777 2516 6762 14840 28577
  138.99.54.0/23       4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 138.99.52.0/22 4777 2516 6762 14840 28577
  186.208.216.0/21     4777 2516 6762 14840 28577   
  186.208.216.0/22     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577
  186.208.216.0/23     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577
  186.208.218.0/23     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577
  186.208.220.0/22     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577
  186.208.220.0/23     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577
  186.208.222.0/23     4777 2516 6762 14840 28577 - Withdrawn - matching aggregate 186.208.216.0/21 4777 2516 6762 14840 28577

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

AS28577   8 More Specifics   10 Total Advertisements   AZEVEDO E FLORIANI TELECOMUNICACOES LTDA., BR
    138.99.52.0/23                138.99.52.0/22
    138.99.54.0/23                138.99.52.0/22
    186.208.216.0/22              186.208.216.0/21
    186.208.216.0/23              186.208.216.0/21
    186.208.218.0/23              186.208.216.0/21
    186.208.220.0/22              186.208.216.0/21
    186.208.220.0/23              186.208.216.0/21
    186.208.222.0/23              186.208.216.0/21

Whois Entry

whois: 402332

IANA has recorded AS28577 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28577\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.
             % 2026-05-02T11:01:57-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28577
             owner:       AZEVEDO E FLORIANI TELECOMUNICA��ES LTDA.
             ownerid:     09.497.846/0001-53
             responsible: YURI COUTINHO DE AZEVEDO
             country:     BR
             owner-c:     CDF33
             routing-c:   CDF33
             abuse-c:     CDF33
             created:     20130507
             changed:     20130507
             inetnum:     186.208.216.0/21
             inetnum:     2804:d74::/32
             inetnum:     138.99.52.0/22
             
             nic-hdl-br:  CDF33
             person:      CARLOS DUARTE FLOARIANI
             e-mail:      yuri@yukaline.com.br
             country:     BR
             created:     20020723
             changed:     20250616
             
             % 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.