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 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.

28576 AS28576 - ITIBR - Instituto de Tecnologia Informacao Brasil, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS22356         AS22356 - Durand do Brasil Ltda, BR
    AS262731        AS262731 - CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9858  AS28576        ORIGIN  Originate:      10496 /18.64  Transit:          0 /0.00  AS28576 - 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       %
21607 AS28576       AS28576 - ITIBR - Instituto de Tecnologia Inf     12      2      1     11      1   8.33%


  Prefix               AS Path                              Aggregation Suggestion
  187.73.128.0/21      4608 7575 57463 22356 28576   
  187.73.130.0/24      4777 2497 3356 262731 28576   
  187.73.132.0/24      4777 2497 3356 262731 28576   
  189.38.16.0/22       4608 7575 57463 22356 28576   
  189.38.20.0/23       4608 7575 57463 22356 28576   
  189.38.24.0/21       4777 2497 3356 262731 28576   
  200.220.144.0/22     4608 7575 57463 22356 28576   
  200.220.146.0/24     4777 2497 3356 262731 28576   
  200.220.148.0/23     4608 7575 57463 22356 28576   
  200.220.152.0/21     4608 7575 57463 22356 28576   
  200.220.156.0/23     4777 2497 3356 262731 28576 + Announce - aggregate of 200.220.156.0/24 (4777 2497 3356 262731 28576) and 200.220.157.0/24 (4777 2497 3356 262731 28576)
  200.220.156.0/24     4777 2497 3356 262731 28576 - Withdrawn - aggregated with 200.220.157.0/24 (4777 2497 3356 262731 28576)
  200.220.157.0/24     4777 2497 3356 262731 28576 - Withdrawn - aggregated with 200.220.156.0/24 (4777 2497 3356 262731 28576)

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

AS28576   12 More Specifics   12 Total Advertisements   AS28576 - 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
    189.38.16.0/22                189.38.16.0/20
    189.38.20.0/23                189.38.16.0/20
    189.38.24.0/21                189.38.16.0/20
    200.220.144.0/22              200.220.144.0/20
    200.220.146.0/24              200.220.144.0/20
    200.220.148.0/23              200.220.144.0/20
    200.220.152.0/21              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: 402591

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