Report for 28576

Name

AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil, 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.

28576 ITIBR - Instituto de Tecnologia Informacao Brasil, BR

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS8055          TAVOLA CONECTIVIDADE LTDA., BR
    AS6939          HURRICANE, US
    AS22356         Durand do Brasil Ltda, BR
    AS262731        CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9998  AS28576        ORIGIN  Originate:      10496 /18.64  Transit:          0 /0.00  ITIBR - Instituto de Tecnologia Informacao Brasil, 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       %
21939 AS28576       ITIBR - Instituto de Tecnologia Informacao Br     12      2      1     11      1   8.33%


  Prefix               AS Path                              Aggregation Suggestion
  187.73.128.0/21      6939 28576             
  187.73.130.0/24      6939 262731 28576      
  187.73.132.0/24      6939 262731 28576      
  189.38.16.0/22       6939 28576             
  189.38.20.0/23       6939 28576             
  189.38.24.0/21       6939 262731 28576      
  200.220.144.0/22     6939 28576             
  200.220.146.0/24     6939 262731 28576      
  200.220.148.0/23     6939 28576             
  200.220.152.0/21     6939 28576             
  200.220.156.0/23     6939 262731 28576    + Announce - aggregate of 200.220.156.0/24 (6939 262731 28576) and 200.220.157.0/24 (6939 262731 28576)
  200.220.156.0/24     6939 262731 28576    - Withdrawn - aggregated with 200.220.157.0/24 (6939 262731 28576)
  200.220.157.0/24     6939 262731 28576    - Withdrawn - aggregated with 200.220.156.0/24 (6939 262731 28576)

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

AS28576   10 More Specifics   11 Total Advertisements   ITIBR - Instituto de Tecnologia Informacao Brasil, BR
    187.73.128.0/21               187.73.128.0/20
    187.73.130.0/24               187.73.128.0/20
    187.73.132.0/24               187.73.128.0/20
    187.73.136.0/22               187.73.128.0/20
    187.73.140.0/23               187.73.128.0/20
    189.38.23.0/24                189.38.16.0/20
    189.38.24.0/24                189.38.16.0/20
    200.220.146.0/24              200.220.144.0/20
    200.220.156.0/24              200.220.144.0/20
    200.220.157.0/24              200.220.144.0/20

Whois Entry

whois: 402603

IANA has recorded AS28576 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28576\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded