Report for 28181

Name

AS28181 - MASTER TELECOM 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 AS6447) 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.

28181 MASTER TELECOM LTDA ME, BR

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS263470        WAY.COM PROVEDOR BANDA LARGA EIRELI, BR
    AS265949        INFO TELECOM INTERNET LTDA, BR
  Downstream Adjacent AS list
    AS61744         power net telecom eireli-me, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21707 AS28181        ORG+TRN Originate:       2816 /20.54  Transit:        256 /24.00 MASTER TELECOM 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       %
38320 AS28181       MASTER TELECOM LTDA ME, BR                         4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  179.97.16.0/21       6939 28359 265949 28181   
  179.97.17.0/24       22652 37468 263470 28181   
  179.97.19.0/24       22652 37468 263470 28181   
  179.97.21.0/24       22652 37468 263470 28181   

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

AS28181   6 More Specifics   7 Total Advertisements   MASTER TELECOM LTDA ME, BR
    179.97.16.0/23                179.97.16.0/21
    179.97.18.0/23                179.97.16.0/21
    179.97.20.0/23                179.97.16.0/21
    179.97.21.0/24                179.97.16.0/21
    179.97.22.0/23                179.97.16.0/21
    179.97.23.0/24                179.97.16.0/21
    179.97.16.0/24                179.97.16.0/21
    179.97.17.0/24                179.97.16.0/21
    179.97.20.0/22                179.97.16.0/21

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 179.97.16.0/23              Announced
    - 179.97.16.0/24              Withdrawn
    - 179.97.17.0/24              Withdrawn
    - 179.97.20.0/22              Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS28181 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28181\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.
             % 2026-05-28T03:02:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28181
             owner:       MASTER TELECOM LTDA ME
             ownerid:     17.289.913/0001-72
             responsible: Marcos Jose dos Santos
             country:     BR
             owner-c:     MJDSA25
             routing-c:   MJDSA25
             abuse-c:     JUSNE14
             created:     20130426
             changed:     20141009
             inetnum:     179.97.16.0/21
             inetnum:     2804:dac::/32
             
             nic-hdl-br:  MJDSA25
             person:      Marcos Jose dos Santos
             e-mail:      marcos.jose.santos@hotmail.com
             country:     BR
             created:     20080821
             changed:     20240425
             
             nic-hdl-br:  JUSNE14
             person:      JOSE URIAS DE SOUZA NETO
             e-mail:      netourias@gmail.com
             country:     BR
             created:     20121223
             changed:     20141208
             
             % 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.