Report for 27664

Name

--No AS Description--

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 AS4637) 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.

27664 CTBC Multimídia

  Adjacency:     6  Upstream:     2  Downstream:     4
  Upstream Adjacent AS list
    AS16735   Companhia de Telecomunicacoes do Brasil Central
    AS3549    GBLX Global Crossing Ltd.
  Downstream Adjacent AS list
    AS28626   Datacraft do Brasil Ltda
    AS28597   SERASA S.A.
    AS28596   Bolsa de Valores de Sao Paulo
    AS28671   Konecta Telecomunicações Ltda

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7593  AS27664  ORG+TRN Originate:       8192 /19.00  Transit:      13824 /18.25 CTBC Multimídia

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       %
 5844 AS27664 CTBC Multimídia                               3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  200.160.112.0/20     4637 3320 8167 16735 27664   
  200.160.112.0/20     4637 3549 27664      + Announce - aggregate of 200.160.112.0/21 (4637 3549 27664) and 200.160.120.0/21 (4637 3549 27664)
  200.160.112.0/21     4637 3549 27664      - Withdrawn - aggregated with 200.160.120.0/21 (4637 3549 27664)
  200.160.120.0/21     4637 3549 27664      - Withdrawn - aggregated with 200.160.112.0/21 (4637 3549 27664)

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

AS27664   4 More Specifics   4 Total Advertisements   CTBC Multimídia
    189.39.0.0/18                 189.32.0.0/11
    200.160.112.0/20              200.128.0.0/9
    200.160.112.0/21              200.128.0.0/9
    200.160.120.0/21              200.128.0.0/9

Whois Entry

whois: 402603

IANA has recorded AS27664 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27664\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded