Report for 53237

Name

AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS, 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.

53237 AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS, BR

  Adjacency:    12  Upstream:     4  Downstream:     8
  Upstream Adjacent AS list
    AS28178         AS28178 - Networld Provedor e Servicos de Internet Ltda, BR
    AS28598         AS28598 - DB3 SERVICOS DE TELECOMUNICACOES S.A, BR
    AS12956         IDDQD-AS - IDDQD-AS, ES
    AS52468         AS52468 - UFINET PANAMA S.A., PA
  Downstream Adjacent AS list
    AS263056        AS263056 - INDNET TELECOMUNICACOES LTDA, BR
    AS264022        AS264022 - REDE CONEXAONET, BR
    AS267247        AS267247 - MINISTERIO DO MEIO AMBIENTE, BR
    AS28616         AS28616 - Emp. de Informatica e Informacao do Mun. BH/SA, BR
    AS268473        AS268473 - LinkSul internet, BR
    AS22055         AS22055 - Banco Central do Brasil, BR
    AS26218         AS26218 - EMP. DE TEC. E INF. DA PREVIDENCIA - DATAPREV, BR
    AS40311         VIASAT-3 - ViaSat,Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1673  AS53237        ORG+TRN Originate:     141312 /14.89  Transit:      14592 /18.17 AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS, 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       %
17090 AS53237       AS53237 - TELECOMUNICACOES BRASILEIRAS S. A.      20      4      2     18      2  10.00%


  Prefix               AS Path                              Aggregation Suggestion
  177.14.64.0/19       4777 2497 3356 28598 53237 53237   
  177.14.96.0/19       4777 2497 174 16735 28178 53237 53237 53237 53237   
  177.14.96.0/20       4777 2516 6762 52468 52468 53237   
  177.14.128.0/19      4777 2497 174 16735 28178 53237 53237 53237 53237   
  177.14.160.0/19      4777 2497 3356 28598 53237 53237 53237   
  177.14.160.0/20      4777 2516 6762 52468 52468 53237   
  177.14.176.0/20      4777 2497 174 52468 52468 53237   
  177.14.192.0/18      4777 2497 3356 28598 53237 53237 + Announce - aggregate of 177.14.192.0/19 (4777 2497 3356 28598 53237 53237) and 177.14.224.0/19 (4777 2497 3356 28598 53237 53237)
  177.14.192.0/19      4777 2497 3356 28598 53237 53237 - Withdrawn - aggregated with 177.14.224.0/19 (4777 2497 3356 28598 53237 53237)
  177.14.224.0/19      4777 2497 3356 28598 53237 53237 - Withdrawn - aggregated with 177.14.192.0/19 (4777 2497 3356 28598 53237 53237)
  177.15.0.0/18        4777 2497 174 16735 28178 53237 53237 53237 53237 + Announce - aggregate of 177.15.0.0/19 (4777 2497 174 16735 28178 53237 53237 53237 53237) and 177.15.32.0/19 (4777 2497 174 16735 28178 53237 53237 53237 53237)
  177.15.0.0/19        4777 2497 174 16735 28178 53237 53237 53237 53237 - Withdrawn - aggregated with 177.15.32.0/19 (4777 2497 174 16735 28178 53237 53237 53237 53237)
  177.15.32.0/19       4777 2497 174 16735 28178 53237 53237 53237 53237 - Withdrawn - aggregated with 177.15.0.0/19 (4777 2497 174 16735 28178 53237 53237 53237 53237)
  177.15.64.0/19       4777 2497 174 16735 28178 53237 53237   
  177.15.96.0/19       4777 2497 174 16735 28178 53237 53237 53237   
  177.15.128.0/19      4777 2497 174 16735 28178 53237 53237   
  177.15.128.0/20      4777 2516 6762 52468 52468 53237   
  177.15.160.0/19      4777 2497 3356 28598 53237 53237 53237 53237   
  177.15.248.0/21      4608 1221 4637 12956 53237   
  177.88.0.0/19        4777 2497 174 16735 28178 53237 53237 53237 53237   
  177.88.96.0/19       4777 2497 174 16735 28178 53237 53237 53237   
  177.88.160.0/19      4777 2497 3356 28598 53237 53237   

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

AS53237   20 More Specifics   20 Total Advertisements   AS53237 - TELECOMUNICACOES BRASILEIRAS S. A. - TELEBRAS, BR
    177.14.64.0/19                177.14.0.0/15
    177.14.96.0/19                177.14.0.0/15
    177.14.96.0/20                177.14.0.0/15
    177.14.128.0/19               177.14.0.0/15
    177.14.160.0/19               177.14.0.0/15
    177.14.160.0/20               177.14.0.0/15
    177.14.176.0/20               177.14.0.0/15
    177.14.192.0/19               177.14.0.0/15
    177.14.224.0/19               177.14.0.0/15
    177.15.0.0/19                 177.14.0.0/15
    177.15.32.0/19                177.14.0.0/15
    177.15.64.0/19                177.14.0.0/15
    177.15.96.0/19                177.14.0.0/15
    177.15.128.0/19               177.14.0.0/15
    177.15.128.0/20               177.14.0.0/15
    177.15.160.0/19               177.14.0.0/15
    177.15.248.0/21               177.14.0.0/15
    177.88.0.0/19                 177.88.0.0/16
    177.88.96.0/19                177.88.0.0/16
    177.88.160.0/19               177.88.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS53237 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53237\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded