Report for 28584

Name

Defferrari Solucoes em Internet 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.

28584 Defferrari Solucoes em Internet Ltda, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28605         Defferrari Informatica Ltda., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5229  AS28584        ORIGIN  Originate:      33536 /16.97  Transit:          0 /0.00  Defferrari Solucoes em Internet 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       %
 3004 AS28584       Defferrari Solucoes em Internet Ltda, BR          26     22      4      8     18  69.23%


  Prefix               AS Path                              Aggregation Suggestion
  131.72.80.0/22       4777 2497 3356 28605 28584   
  177.39.160.0/21      4777 2497 3356 28605 28584   
  177.129.232.0/21     4777 2497 3356 28605 28584 + Announce - aggregate of 177.129.232.0/22 (4777 2497 3356 28605 28584) and 177.129.236.0/22 (4777 2497 3356 28605 28584)
  177.129.232.0/22     4777 2497 3356 28605 28584 - Withdrawn - aggregated with 177.129.236.0/22 (4777 2497 3356 28605 28584)
  177.129.236.0/22     4777 2497 3356 28605 28584 - Withdrawn - aggregated with 177.129.232.0/22 (4777 2497 3356 28605 28584)
  200.159.160.0/19     4777 2497 3356 28605 28584 + Announce - aggregate of 200.159.160.0/20 (4777 2497 3356 28605 28584) and 200.159.176.0/20 (4777 2497 3356 28605 28584)
  200.159.160.0/20     4777 2497 3356 28605 28584 - Withdrawn - aggregated with 200.159.176.0/20 (4777 2497 3356 28605 28584)
  200.159.160.0/21     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.160.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.160.0/21     4777 2516 3356 28605 28584 + Announce - aggregate of 200.159.160.0/22 (4777 2516 3356 28605 28584) and 200.159.164.0/22 (4777 2516 3356 28605 28584)
  200.159.160.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.162.0/23 (4777 2516 3356 28605 28584)
  200.159.162.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.160.0/23 (4777 2516 3356 28605 28584)
  200.159.164.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.164.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.166.0/23 (4777 2516 3356 28605 28584)
  200.159.166.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.164.0/23 (4777 2516 3356 28605 28584)
  200.159.166.0/24     4777 2516 3257 264409 28605 28584   
  200.159.168.0/21     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.168.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.168.0/22     4777 2516 3356 28605 28584 + Announce - aggregate of 200.159.168.0/23 (4777 2516 3356 28605 28584) and 200.159.170.0/23 (4777 2516 3356 28605 28584)
  200.159.168.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.170.0/23 (4777 2516 3356 28605 28584)
  200.159.170.0/23     4777 2516 3356 28605 28584 - Withdrawn - aggregated with 200.159.168.0/23 (4777 2516 3356 28605 28584)
  200.159.172.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.160.0/20 4777 2497 3356 28605 28584
  200.159.172.0/23     4777 2516 3356 28605 28584   
  200.159.176.0/20     4777 2497 3356 28605 28584 - Withdrawn - aggregated with 200.159.160.0/20 (4777 2497 3356 28605 28584)
  200.159.176.0/21     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584
  200.159.176.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584
  200.159.180.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584
  200.159.184.0/21     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584
  200.159.184.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584
  200.159.188.0/22     4777 2497 3356 28605 28584 - Withdrawn - matching aggregate 200.159.176.0/20 4777 2497 3356 28605 28584

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

AS28584   20 More Specifics   26 Total Advertisements   Defferrari Solucoes em Internet Ltda, BR
    200.159.160.0/21              200.159.160.0/20
    200.159.160.0/22              200.159.160.0/20
    200.159.160.0/23              200.159.160.0/20
    200.159.162.0/23              200.159.160.0/20
    200.159.164.0/22              200.159.160.0/20
    200.159.164.0/23              200.159.160.0/20
    200.159.166.0/23              200.159.160.0/20
    200.159.166.0/24              200.159.160.0/20
    200.159.168.0/21              200.159.160.0/20
    200.159.168.0/22              200.159.160.0/20
    200.159.168.0/23              200.159.160.0/20
    200.159.170.0/23              200.159.160.0/20
    200.159.172.0/22              200.159.160.0/20
    200.159.172.0/23              200.159.160.0/20
    200.159.176.0/21              200.159.176.0/20
    200.159.176.0/22              200.159.176.0/20
    200.159.180.0/22              200.159.176.0/20
    200.159.184.0/21              200.159.176.0/20
    200.159.184.0/22              200.159.176.0/20
    200.159.188.0/22              200.159.176.0/20

Whois Entry

whois: 402332

IANA has recorded AS28584 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28584\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.
             % 2026-03-31T00:35:17-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28584
             owner:       Defferrari Solucoes em Internet Ltda
             ownerid:     08.190.344/0001-12
             responsible: Defferrari Solucoes em Internet Ltda
             country:     BR
             owner-c:     MAD6
             routing-c:   MAD6
             abuse-c:     MAD6
             created:     20040722
             changed:     20250717
             inetnum:     200.159.160.0/20
             inetnum:     200.159.176.0/20
             inetnum:     177.129.232.0/22
             inetnum:     177.129.236.0/22
             inetnum:     177.39.160.0/21
             inetnum:     131.72.80.0/22
             inetnum:     2804:918::/32
             
             nic-hdl-br:  MAD6
             person:      Marco Defferrari
             e-mail:      registro@registro.defferrari.com.br
             country:     BR
             created:     19971230
             changed:     20220207
             
             % 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.