Report for 52851

Name

AS52851 - CTA INTERNET 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.

52851 AS52851 - CTA INTERNET LTDA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28605         AS28605 - Defferrari Informatica Ltda., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25338 AS52851        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS52851 - CTA INTERNET 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       %
10309 AS52851       AS52851 - CTA INTERNET LTDA, BR                    5      4      0      1      4  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.202.212.0/22     4608 7575 7195 28605 52851   
  143.202.212.0/24     4608 7575 7195 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4608 7575 7195 28605 52851
  143.202.213.0/24     4608 7575 7195 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4608 7575 7195 28605 52851
  143.202.214.0/24     4608 7575 7195 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4608 7575 7195 28605 52851
  143.202.215.0/24     4608 7575 7195 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4608 7575 7195 28605 52851

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

AS52851   4 More Specifics   5 Total Advertisements   AS52851 - CTA INTERNET LTDA, BR
    143.202.212.0/24              143.202.212.0/22
    143.202.213.0/24              143.202.212.0/22
    143.202.214.0/24              143.202.212.0/22
    143.202.215.0/24              143.202.212.0/22

Whois Entry

whois: 402591

IANA has recorded AS52851 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52851\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded