Report for 28243

Name

AS28243 - FCA FIAT CHRYSLER AUTOMOVEIS BRASIL 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.

28243 AS28243 - FCA FIAT CHRYSLER AUTOMOVEIS BRASIL LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS16735         AS16735 - ALGAR TELECOM S/A, BR
    AS23106         AS23106 - AMERICAN TOWER DO BRASIL-COMUNICACAO MULTIMIDIA LT, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16935 AS28243        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  AS28243 - FCA FIAT CHRYSLER AUTOMOVEIS BRASIL 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       %
10054 AS28243       AS28243 - FCA FIAT CHRYSLER AUTOMOVEIS BRASIL      9      4      0      5      4  44.44%


  Prefix               AS Path                              Aggregation Suggestion
  187.0.248.0/21       4777 6939 52320 23106 28243   
  187.0.248.0/24       4777 6939 52320 23106 28243 - Withdrawn - matching aggregate 187.0.248.0/21 4777 6939 52320 23106 28243
  187.0.249.0/24       4777 2497 3356 16735 28243   
  187.0.250.0/24       4777 6939 52320 23106 28243 - Withdrawn - matching aggregate 187.0.248.0/21 4777 6939 52320 23106 28243
  187.0.251.0/24       4777 2497 3356 16735 28243   
  187.0.252.0/24       4777 6939 52320 23106 28243 - Withdrawn - matching aggregate 187.0.248.0/21 4777 6939 52320 23106 28243
  187.0.253.0/24       4777 2497 3356 16735 28243   
  187.0.254.0/24       4777 6939 52320 23106 28243 - Withdrawn - matching aggregate 187.0.248.0/21 4777 6939 52320 23106 28243
  187.0.255.0/24       4777 2497 3356 16735 28243   

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

AS28243   9 More Specifics   9 Total Advertisements   AS28243 - FCA FIAT CHRYSLER AUTOMOVEIS BRASIL LTDA, BR
    187.0.248.0/21                187.0.240.0/20
    187.0.248.0/24                187.0.240.0/20
    187.0.249.0/24                187.0.240.0/20
    187.0.250.0/24                187.0.240.0/20
    187.0.251.0/24                187.0.240.0/20
    187.0.252.0/24                187.0.240.0/20
    187.0.253.0/24                187.0.240.0/20
    187.0.254.0/24                187.0.240.0/20
    187.0.255.0/24                187.0.240.0/20

Whois Entry

whois: 402603

IANA has recorded AS28243 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28243\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded