Report for 28238

Name

AS28238 - Sator Engenharia 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.

28238 AS28238 - Sator Engenharia Ltda., BR

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS262503        AS262503 - WIKI TELECOMUNICACOES EIRELI, BR
    AS264485        AS264485 - M. COELHO M. LIMA SERVICOS DE TELECOMUNICACAO - ME, BR
    AS28173         AS28173 - Dinamica Telecomunicacoes Ltda, BR
    AS273398        AS273398 - CDG TELECOM COMERCIO EIRELI, BR
    AS274480        AS274480 - Prenet LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16915 AS28238        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  AS28238 - Sator Engenharia 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       %
 4862 AS28238       AS28238 - Sator Engenharia Ltda., BR              16     12      2      6     10  62.50%


  Prefix               AS Path                              Aggregation Suggestion
  187.0.128.0/24       4777 2497 3356 28173 28238   
  187.0.129.0/24       4777 2497 37468 265269 274480 28238 28238   
  187.0.130.0/24       4608 7575 37468 265269 273398 28238   
  187.0.131.0/24       4777 2497 3356 263009 264485 28238   
  187.0.132.0/22       4777 2497 3356 263009 264485 28238 + Announce - aggregate of 187.0.132.0/23 (4777 2497 3356 263009 264485 28238) and 187.0.134.0/23 (4777 2497 3356 263009 264485 28238)
  187.0.132.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.133.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.133.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.132.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.134.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.135.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.135.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.134.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.136.0/21       4777 2497 3356 263009 264485 28238 + Announce - aggregate of 187.0.136.0/22 (4777 2497 3356 263009 264485 28238) and 187.0.140.0/22 (4777 2497 3356 263009 264485 28238)
  187.0.136.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.137.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.137.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.136.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.138.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.139.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.139.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.138.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.140.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.141.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.141.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.140.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.142.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.143.0/24 (4777 2497 3356 263009 264485 28238)
  187.0.143.0/24       4777 2497 3356 263009 264485 28238 - Withdrawn - aggregated with 187.0.142.0/24 (4777 2497 3356 263009 264485 28238)

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

AS28238   16 More Specifics   16 Total Advertisements   AS28238 - Sator Engenharia Ltda., BR
    187.0.128.0/24                187.0.128.0/20
    187.0.129.0/24                187.0.128.0/20
    187.0.130.0/24                187.0.128.0/20
    187.0.131.0/24                187.0.128.0/20
    187.0.132.0/24                187.0.128.0/20
    187.0.133.0/24                187.0.128.0/20
    187.0.134.0/24                187.0.128.0/20
    187.0.135.0/24                187.0.128.0/20
    187.0.136.0/24                187.0.128.0/20
    187.0.137.0/24                187.0.128.0/20
    187.0.138.0/24                187.0.128.0/20
    187.0.139.0/24                187.0.128.0/20
    187.0.140.0/24                187.0.128.0/20
    187.0.141.0/24                187.0.128.0/20
    187.0.142.0/24                187.0.128.0/20
    187.0.143.0/24                187.0.128.0/20

Whois Entry

whois: 402591

IANA has recorded AS28238 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28238\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded