Report for 28121

Name

AS28121 - BB TECNOLOGIA E SERVICOS S/A, 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.

28121 AS28121 - BB TECNOLOGIA E SERVICOS S/A, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS4230          AS4230 - CLARO S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15462 AS28121        ORIGIN  Originate:       4864 /19.75  Transit:          0 /0.00  AS28121 - BB TECNOLOGIA E SERVICOS S/A, 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       %
12515 AS28121       AS28121 - BB TECNOLOGIA E SERVICOS S/A, BR         4      3      0      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  187.18.16.0/20       4777 2516 4230 28121   
  187.18.21.0/24       4777 2516 4230 28121 - Withdrawn - matching aggregate 187.18.16.0/20 4777 2516 4230 28121
  187.18.24.0/24       4777 2516 4230 28121 - Withdrawn - matching aggregate 187.18.16.0/20 4777 2516 4230 28121
  187.18.25.0/24       4777 2516 4230 28121 - Withdrawn - matching aggregate 187.18.16.0/20 4777 2516 4230 28121

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

AS28121   3 More Specifics   4 Total Advertisements   AS28121 - BB TECNOLOGIA E SERVICOS S/A, BR
    187.18.21.0/24                187.18.16.0/20
    187.18.24.0/24                187.18.16.0/20
    187.18.25.0/24                187.18.16.0/20

Whois Entry

whois: 402609

IANA has recorded AS28121 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28121\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded