Report for 263920

Name

AS263920 - MAST TELECOMUNICACOES E INFORMATICA 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.

263920 AS263920 - MAST TELECOMUNICACOES E INFORMATICA LTDA, BR

  Adjacency:     7  Upstream:     2  Downstream:     5
  Upstream Adjacent AS list
    AS14840         AS14840 - BR.Digital Telecom, BR
    AS61568         AS61568 - ALOO TELECOM - FSF TECNOLOGIA SA, BR
  Downstream Adjacent AS list
    AS270924        AS270924 - JPA Telecom, BR
    AS267287        AS267287 - MEGANET PROVEDOR, BR
    AS266096        AS266096 - NAVEGAR PROVEDOR, BR
    AS267330        AS267330 - JLCONECT PB, BR
    AS269255        AS269255 - JACINTO SILVEIRA COSTA ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
26940 AS263920       ORG+TRN Originate:       2048 /21.00  Transit:       7424 /19.14 AS263920 - MAST TELECOMUNICACOES E INFORMATICA 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       %
28180 AS263920      AS263920 - MAST TELECOMUNICACOES E INFORMATIC      3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  138.185.240.0/22     4777 2516 6762 14840 263920 263920   
  138.185.240.0/22     4608 7575 2914 61568 263920 263920 + Announce - aggregate of 138.185.240.0/23 (4608 7575 2914 61568 263920 263920) and 138.185.242.0/23 (4608 7575 2914 61568 263920 263920)
  138.185.240.0/23     4608 7575 2914 61568 263920 263920 - Withdrawn - aggregated with 138.185.242.0/23 (4608 7575 2914 61568 263920 263920)
  138.185.242.0/23     4608 7575 2914 61568 263920 263920 - Withdrawn - aggregated with 138.185.240.0/23 (4608 7575 2914 61568 263920 263920)

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

AS263920   2 More Specifics   3 Total Advertisements   AS263920 - MAST TELECOMUNICACOES E INFORMATICA LTDA, BR
    138.185.240.0/23              138.185.240.0/22
    138.185.242.0/23              138.185.240.0/22

Whois Entry

whois: 402628

IANA has recorded AS263920 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263920\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.
             % 2026-06-15T12:20:25-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263920
             owner:       MAST TELECOMUNICACOES E INFORMATICA LTDA
             ownerid:     12.640.121/0001-87
             responsible: Aldo Artur de Figueiredo
             country:     BR
             owner-c:     ALAFI70
             routing-c:   NOMTE8
             abuse-c:     NOMTE8
             created:     20150812
             changed:     20210909
             inetnum:     138.185.240.0/22
             inetnum:     2804:27c0::/32
             
             nic-hdl-br:  ALAFI70
             person:      Aldo Artur de Figueiredo
             e-mail:      aldo@masttelecom.net.br
             country:     BR
             created:     20140424
             changed:     20170418
             
             nic-hdl-br:  NOMTE8
             person:      NOC Mast Telecom
             e-mail:      noc@masttelecom.net.br
             country:     BR
             created:     20180216
             changed:     20190225
             
             % 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.