Report for 271497

Name

AS271497 - Confiber Telcomunicacoes 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.

271497 AS271497 - Confiber Telcomunicacoes ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS23106         AS23106 - AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT, BR
    AS269096        AS269096 - N&K TECNOLOGIA LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28271 AS271497       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS271497 - Confiber Telcomunicacoes 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       %
19651 AS271497      AS271497 - Confiber Telcomunicacoes ltda, BR       5      3      1      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  181.233.184.0/22     4608 7575 7195 23106 271497   
  181.233.184.0/23     4777 2497 2914 269096 271497 + Announce - aggregate of 181.233.184.0/24 (4777 2497 2914 269096 271497) and 181.233.185.0/24 (4777 2497 2914 269096 271497)
  181.233.184.0/24     4777 2497 2914 269096 271497 - Withdrawn - aggregated with 181.233.185.0/24 (4777 2497 2914 269096 271497)
  181.233.185.0/24     4777 2497 2914 269096 271497 - Withdrawn - aggregated with 181.233.184.0/24 (4777 2497 2914 269096 271497)
  181.233.186.0/24     4777 2497 2914 23106 271497   
  181.233.187.0/24     4608 7575 7195 23106 271497 - Withdrawn - matching aggregate 181.233.184.0/22 4608 7575 7195 23106 271497

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

AS271497   4 More Specifics   5 Total Advertisements   AS271497 - Confiber Telcomunicacoes ltda, BR
    181.233.184.0/24              181.233.184.0/22
    181.233.185.0/24              181.233.184.0/22
    181.233.186.0/24              181.233.184.0/22
    181.233.187.0/24              181.233.184.0/22

Whois Entry

whois: 402591

IANA has recorded AS271497 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271497\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded