Report for 28137

Name

AS28137 - Vialink Solucoes de Tecnologia 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 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.

28137 Vialink Solucoes de Tecnologia Ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS266166        GLOBALNET SERVICOS E INFORMATICA LTDA-ME, BR
    AS263946        HIGH CONNECT REDES DE TELECOMUNICACOES LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15099 AS28137        ORIGIN  Originate:       5120 /19.68  Transit:          0 /0.00  Vialink Solucoes de Tecnologia 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       %
 5949 AS28137       Vialink Solucoes de Tecnologia Ltda, BR           13     10      2      5      8  61.54%


  Prefix               AS Path                              Aggregation Suggestion
  187.45.160.0/21      6939 13786 52875 52875 52875 263946 28137   
  187.45.164.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 6939 13786 52875 52875 52875 263946 28137
  187.45.165.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 6939 13786 52875 52875 52875 263946 28137
  187.45.166.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 6939 13786 52875 52875 52875 263946 28137
  187.45.167.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 6939 13786 52875 52875 52875 263946 28137
  187.45.168.0/24      6939 13786 52875 52875 52875 263946 28137   
  187.45.169.0/24      6939 6057 266166 28137   
  187.45.170.0/23      6939 13786 52875 52875 52875 263946 28137 + Announce - aggregate of 187.45.170.0/24 (6939 13786 52875 52875 52875 263946 28137) and 187.45.171.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.170.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.171.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.171.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.170.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.172.0/22      6939 13786 52875 52875 52875 263946 28137 + Announce - aggregate of 187.45.172.0/23 (6939 13786 52875 52875 52875 263946 28137) and 187.45.174.0/23 (6939 13786 52875 52875 52875 263946 28137)
  187.45.172.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.173.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.173.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.172.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.174.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.175.0/24 (6939 13786 52875 52875 52875 263946 28137)
  187.45.175.0/24      6939 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.174.0/24 (6939 13786 52875 52875 52875 263946 28137)

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

AS28137   19 More Specifics   19 Total Advertisements   Vialink Solucoes de Tecnologia Ltda, BR
    187.45.160.0/21               187.45.160.0/20
    187.45.160.0/22               187.45.160.0/20
    187.45.160.0/24               187.45.160.0/20
    187.45.161.0/24               187.45.160.0/20
    187.45.162.0/24               187.45.160.0/20
    187.45.163.0/24               187.45.160.0/20
    187.45.164.0/22               187.45.160.0/20
    187.45.164.0/24               187.45.160.0/20
    187.45.165.0/24               187.45.160.0/20
    187.45.166.0/24               187.45.160.0/20
    187.45.167.0/24               187.45.160.0/20
    187.45.168.0/24               187.45.160.0/20
    187.45.169.0/24               187.45.160.0/20
    187.45.170.0/24               187.45.160.0/20
    187.45.171.0/24               187.45.160.0/20
    187.45.172.0/24               187.45.160.0/20
    187.45.173.0/24               187.45.160.0/20
    187.45.174.0/24               187.45.160.0/20
    187.45.175.0/24               187.45.160.0/20

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

    + 187.45.160.0/21             Announced
    + 187.45.160.0/24             Announced
    + 187.45.161.0/24             Announced
    + 187.45.162.0/24             Announced
    + 187.45.163.0/24             Announced
    + 187.45.164.0/24             Announced
    + 187.45.165.0/24             Announced
    + 187.45.166.0/24             Announced
    + 187.45.167.0/24             Announced
    + 187.45.168.0/24             Announced
    + 187.45.170.0/24             Announced
    + 187.45.171.0/24             Announced
    + 187.45.172.0/24             Announced
    + 187.45.173.0/24             Announced
    + 187.45.174.0/24             Announced
    + 187.45.175.0/24             Announced

Whois Entry

whois: 402603

IANA has recorded AS28137 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28137\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded