Report for 28657

Name

AS28657 - MD Brasil - Tecnologia da Informacao 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.

28657 AS28657 - MD Brasil - Tecnologia da Informacao Ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS269016        AS269016 - F T L Net Provedor de Internet Ltda- ME, BR
    AS28370         AS28370 - GUIFAMI Informatica Ltda., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30229 AS28657        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  AS28657 - MD Brasil - Tecnologia da Informacao 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       %
21908 AS28657       AS28657 - MD Brasil - Tecnologia da Informaca      3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  138.99.96.0/22       4777 2497 3356 28370 28370 28370 28370 28370 28657   
  138.99.97.0/24       4777 2497 3356 28370 28370 28370 28370 28370 28657 - Withdrawn - matching aggregate 138.99.96.0/22 4777 2497 3356 28370 28370 28370 28370 28370 28657
  138.99.98.0/24       4777 2497 174 52468 270724 270724 269016 28657   

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

AS28657   2 More Specifics   3 Total Advertisements   AS28657 - MD Brasil - Tecnologia da Informacao Ltda, BR
    138.99.97.0/24                138.99.96.0/22
    138.99.98.0/24                138.99.96.0/22

Whois Entry

whois: 402613

IANA has recorded AS28657 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28657\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.
             % 2026-06-12T18:52:08-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28657
             owner:       MD Brasil - Tecnologia da Informa��o Ltda
             ownerid:     00.459.272/0001-54
             responsible: Wardner Maia
             country:     BR
             owner-c:     MBL4
             routing-c:   MBL4
             abuse-c:     MBL4
             created:     20060713
             changed:     20130306
             inetnum:     2804:40::/32
             inetnum:     138.99.96.0/22
             
             nic-hdl-br:  MBL4
             person:      MD Brasil Tecnologia Informa��o SC LTDA
             e-mail:      mdbrasil@mdbrasil.com.br
             country:     BR
             created:     19980204
             changed:     20250222
             
             % 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.