Report for 28272

Name

CEW SERVICOS E TELECOMUNICACOES 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.

28272 CEW SERVICOS E TELECOMUNICACOES LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS52925         Ascenty Data Centers e Telecomunicacoes SA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5819  AS28272        ORIGIN  Originate:      27136 /17.27  Transit:          0 /0.00  CEW SERVICOS E TELECOMUNICACOES 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       %
 5699 AS28272       CEW SERVICOS E TELECOMUNICACOES LTDA, BR          16     11      3      8      8  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  189.1.96.0/19        4777 2497 3356 28272   
  189.1.96.0/20        4777 2497 3356 28272 - Withdrawn - matching aggregate 189.1.96.0/19 4777 2497 3356 28272
  189.1.96.0/21        4777 2497 3356 28272 - Withdrawn - matching aggregate 189.1.96.0/19 4777 2497 3356 28272
  189.1.96.0/22        4777 2516 3356 28272 + Announce - aggregate of 189.1.96.0/23 (4777 2516 3356 28272) and 189.1.98.0/23 (4777 2516 3356 28272)
  189.1.96.0/23        4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.98.0/23 (4777 2516 3356 28272)
  189.1.98.0/23        4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.96.0/23 (4777 2516 3356 28272)
  189.1.100.0/23       4777 2516 3356 28272   
  189.1.104.0/21       4777 2497 3356 28272 - Withdrawn - matching aggregate 189.1.96.0/19 4777 2497 3356 28272
  189.1.104.0/21       4777 2516 3356 28272 + Announce - aggregate of 189.1.104.0/22 (4777 2516 3356 28272) and 189.1.108.0/22 (4777 2516 3356 28272)
  189.1.104.0/22       4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.108.0/22 (4777 2516 3356 28272)
  189.1.108.0/22       4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.104.0/22 (4777 2516 3356 28272)
  189.1.112.0/21       4777 2497 3356 28272 - Withdrawn - matching aggregate 189.1.96.0/19 4777 2497 3356 28272
  189.1.112.0/21       4777 2516 3356 28272 + Announce - aggregate of 189.1.112.0/22 (4777 2516 3356 28272) and 189.1.116.0/22 (4777 2516 3356 28272)
  189.1.112.0/22       4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.116.0/22 (4777 2516 3356 28272)
  189.1.116.0/22       4777 2516 3356 28272 - Withdrawn - aggregated with 189.1.112.0/22 (4777 2516 3356 28272)
  189.1.120.0/22       4777 2516 3356 28272   
  189.1.124.0/22       4777 2497 3356 52925 28272   
  189.1.124.0/23       4777 2497 3356 52925 28272 - Withdrawn - matching aggregate 189.1.124.0/22 4777 2497 3356 52925 28272
  189.1.126.0/23       4777 2516 4230 52925 28272   

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

AS28272   15 More Specifics   16 Total Advertisements   CEW SERVICOS E TELECOMUNICACOES LTDA, BR
    189.1.96.0/20                 189.1.96.0/19
    189.1.96.0/21                 189.1.96.0/19
    189.1.96.0/23                 189.1.96.0/19
    189.1.98.0/23                 189.1.96.0/19
    189.1.100.0/23                189.1.96.0/19
    189.1.104.0/21                189.1.96.0/19
    189.1.104.0/22                189.1.96.0/19
    189.1.108.0/22                189.1.96.0/19
    189.1.112.0/21                189.1.96.0/19
    189.1.112.0/22                189.1.96.0/19
    189.1.116.0/22                189.1.96.0/19
    189.1.120.0/22                189.1.96.0/19
    189.1.124.0/22                189.1.96.0/19
    189.1.124.0/23                189.1.96.0/19
    189.1.126.0/23                189.1.96.0/19

Whois Entry

whois: 402332

IANA has recorded AS28272 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28272\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded