Report for 52749

Name

AS52749 - E W BORBA SERVICOS DE COMUNICACOES 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.

52749 AS52749 - E W BORBA SERVICOS DE COMUNICACOES LTDA, BR

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS263073        AS263073 - DTEL TELECOM, BR
    AS61592         AS61592 - FORTLINK INTERNET CORPORATIVA, BR
    AS14840         AS14840 - BR.Digital Telecom, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19995 AS52749        ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  AS52749 - E W BORBA SERVICOS DE COMUNICACOES 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       %
10301 AS52749       AS52749 - E W BORBA SERVICOS DE COMUNICACOES       9      4      0      5      4  44.44%


  Prefix               AS Path                              Aggregation Suggestion
  177.71.80.0/24       4777 2497 3356 263073 52749 52749   
  177.71.81.0/24       4777 2497 3356 61592 52749 52749 52749   
  177.71.82.0/24       4777 2497 3356 61592 52749   
  177.71.83.0/24       4777 2516 6762 14840 52749   
  177.71.84.0/22       4777 2497 3356 263073 52749   
  177.71.84.0/24       4777 2497 3356 263073 52749 - Withdrawn - matching aggregate 177.71.84.0/22 4777 2497 3356 263073 52749
  177.71.85.0/24       4777 2497 3356 263073 52749 - Withdrawn - matching aggregate 177.71.84.0/22 4777 2497 3356 263073 52749
  177.71.86.0/24       4777 2497 3356 263073 52749 - Withdrawn - matching aggregate 177.71.84.0/22 4777 2497 3356 263073 52749
  177.71.87.0/24       4777 2497 3356 263073 52749 - Withdrawn - matching aggregate 177.71.84.0/22 4777 2497 3356 263073 52749

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

AS52749   9 More Specifics   9 Total Advertisements   AS52749 - E W BORBA SERVICOS DE COMUNICACOES LTDA, BR
    177.71.80.0/24                177.71.80.0/21
    177.71.81.0/24                177.71.80.0/21
    177.71.82.0/24                177.71.80.0/21
    177.71.83.0/24                177.71.80.0/21
    177.71.84.0/22                177.71.80.0/21
    177.71.84.0/24                177.71.80.0/21
    177.71.85.0/24                177.71.80.0/21
    177.71.86.0/24                177.71.80.0/21
    177.71.87.0/24                177.71.80.0/21

Whois Entry

whois: 402591

IANA has recorded AS52749 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52749\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded