Report for 28238

Name

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 Sator Engenharia Ltda., BR

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

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17057 AS28238        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  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       %
 4994 AS28238       Sator Engenharia Ltda., BR                        16     14      4      6     10  62.50%


  Prefix               AS Path                              Aggregation Suggestion
  187.0.128.0/24       4777 2497 37468 28173 28238 28238 28238 28238 28238   
  187.0.129.0/24       4777 2516 6762 265269 274480 28238   
  187.0.130.0/23       4777 2516 6762 265269 273398 28238 + Announce - aggregate of 187.0.130.0/24 (4777 2516 6762 265269 273398 28238) and 187.0.131.0/24 (4777 2516 6762 265269 273398 28238)
  187.0.130.0/24       4777 2516 6762 265269 273398 28238 - Withdrawn - aggregated with 187.0.131.0/24 (4777 2516 6762 265269 273398 28238)
  187.0.131.0/24       4777 2516 6762 265269 273398 28238 - Withdrawn - aggregated with 187.0.130.0/24 (4777 2516 6762 265269 273398 28238)
  187.0.132.0/22       4608 7575 7195 53181 28260 264485 28238 + Announce - aggregate of 187.0.132.0/23 (4608 7575 7195 53181 28260 264485 28238) and 187.0.134.0/23 (4608 7575 7195 53181 28260 264485 28238)
  187.0.132.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.133.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.133.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.132.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.134.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.135.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.135.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.134.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.136.0/22       4608 7575 7195 53181 28260 264485 28238 + Announce - aggregate of 187.0.136.0/23 (4608 7575 7195 53181 28260 264485 28238) and 187.0.138.0/23 (4608 7575 7195 53181 28260 264485 28238)
  187.0.136.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.137.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.137.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.136.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.138.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.139.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.139.0/24       4608 7575 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.138.0/24 (4608 7575 7195 53181 28260 264485 28238)
  187.0.140.0/22       4777 2497 1299 7195 53181 28260 264485 28238 + Announce - aggregate of 187.0.140.0/23 (4777 2497 1299 7195 53181 28260 264485 28238) and 187.0.142.0/23 (4777 2497 1299 7195 53181 28260 264485 28238)
  187.0.140.0/24       4777 2497 1299 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.141.0/24 (4777 2497 1299 7195 53181 28260 264485 28238)
  187.0.141.0/24       4777 2497 1299 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.140.0/24 (4777 2497 1299 7195 53181 28260 264485 28238)
  187.0.142.0/24       4777 2497 1299 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.143.0/24 (4777 2497 1299 7195 53181 28260 264485 28238)
  187.0.143.0/24       4777 2497 1299 7195 53181 28260 264485 28238 - Withdrawn - aggregated with 187.0.142.0/24 (4777 2497 1299 7195 53181 28260 264485 28238)

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

AS28238   16 More Specifics   16 Total Advertisements   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: 402332

IANA has recorded AS28238 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28238\n             % IP Client: 2401:2000:6660::13
              % Copyright (c) Nic.br - Use of this data is governed by the Use and
             % Privacy Policy at https://registro.br/upp . Distribution,
             % commercialization, reproduction, and use for advertising or similar
             % purposes are expressly prohibited.
             % 2026-04-01T13:22:17-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28238
             owner:       Sator Engenharia Ltda.
             ownerid:     85.493.500/0001-65
             responsible: Paulo Roberto Kroker
             country:     BR
             owner-c:     PRK10
             routing-c:   PRK10
             abuse-c:     PRK10
             created:     20080811
             changed:     20130306
             inetnum:     187.0.128.0/20
             inetnum:     186.216.224.0/20
             
             nic-hdl-br:  PRK10
             person:      Paulo Roberto Kr�ker
             e-mail:      kroker@win.psi.br
             country:     BR
             created:     20001009
             changed:     20230413
             
             % Security and mail abuse issues should also be addressed to cert.br,
             % respectivelly to cert@cert.br and mail-abuse@cert.br
             %
             % whois.registro.br only accepts exact match queries for domains,
             % registrants, contacts, tickets, providers, IPs, and ASNs.