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 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.

28137 AS28137 - Vialink Solucoes de Tecnologia Ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS263946        AS263946 - RINGLINK TELECOM LTDA, BR
    AS266166        AS266166 - GLOBALNET SERVICOS E INFORMATICA LTDA-ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14924 AS28137        ORIGIN  Originate:       5120 /19.68  Transit:          0 /0.00  AS28137 - 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       %
 5824 AS28137       AS28137 - Vialink Solucoes de Tecnologia Ltda     13     10      2      5      8  61.54%


  Prefix               AS Path                              Aggregation Suggestion
  187.45.160.0/21      4777 2497 174 13786 52875 52875 52875 263946 28137   
  187.45.164.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 4777 2497 174 13786 52875 52875 52875 263946 28137
  187.45.165.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 4777 2497 174 13786 52875 52875 52875 263946 28137
  187.45.166.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 4777 2497 174 13786 52875 52875 52875 263946 28137
  187.45.167.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - matching aggregate 187.45.160.0/21 4777 2497 174 13786 52875 52875 52875 263946 28137
  187.45.168.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137   
  187.45.169.0/24      4777 2497 6057 266166 28137   
  187.45.170.0/23      4777 2497 174 13786 52875 52875 52875 263946 28137 + Announce - aggregate of 187.45.170.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137) and 187.45.171.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.170.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.171.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.171.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.170.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.172.0/22      4777 2497 174 13786 52875 52875 52875 263946 28137 + Announce - aggregate of 187.45.172.0/23 (4777 2497 174 13786 52875 52875 52875 263946 28137) and 187.45.174.0/23 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.172.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.173.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.173.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.172.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.174.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.175.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)
  187.45.175.0/24      4777 2497 174 13786 52875 52875 52875 263946 28137 - Withdrawn - aggregated with 187.45.174.0/24 (4777 2497 174 13786 52875 52875 52875 263946 28137)

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

AS28137   13 More Specifics   13 Total Advertisements   AS28137 - Vialink Solucoes de Tecnologia Ltda, BR
    187.45.160.0/21               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

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