Report for 28583

Name

AS28583 - RuralWeb 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.

28583 AS28583 - RuralWeb Telecomunicacoes Ltda, BR

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS17222         AS17222 - MUNDIVOX DO BRASIL LTDA, BR
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS263432        AS263432 - CORPORATIVA TELECOMUNICACOES EIRELI ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5614  AS28583        ORIGIN  Originate:      29184 /17.17  Transit:          0 /0.00  AS28583 - RuralWeb 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       %
 5726 AS28583       AS28583 - RuralWeb Telecomunicacoes Ltda, BR      19     12      4     11      8  42.11%


  Prefix               AS Path                              Aggregation Suggestion
  187.61.64.0/20       4777 2516 6762 22381 263432 28583   
  187.61.64.0/20       4777 2497 3356 28583 + Announce - aggregate of 187.61.64.0/21 (4777 2497 3356 28583) and 187.61.72.0/21 (4777 2497 3356 28583)
  187.61.64.0/21       4777 2497 3356 28583 - Withdrawn - aggregated with 187.61.72.0/21 (4777 2497 3356 28583)
  187.61.72.0/21       4777 2497 3356 28583 - Withdrawn - aggregated with 187.61.64.0/21 (4777 2497 3356 28583)
  187.61.74.0/23       4777 2497 2914 17222 28583   
  187.61.76.0/22       4777 2497 2914 17222 28583 + Announce - aggregate of 187.61.76.0/23 (4777 2497 2914 17222 28583) and 187.61.78.0/23 (4777 2497 2914 17222 28583)
  187.61.76.0/23       4777 2497 2914 17222 28583 - Withdrawn - aggregated with 187.61.78.0/23 (4777 2497 2914 17222 28583)
  187.61.78.0/23       4777 2497 2914 17222 28583 - Withdrawn - aggregated with 187.61.76.0/23 (4777 2497 2914 17222 28583)
  187.61.80.0/21       4777 2497 3356 28583   
  187.61.80.0/21       4777 2516 6762 22381 263432 28583 + Announce - aggregate of 187.61.80.0/22 (4777 2516 6762 22381 263432 28583) and 187.61.84.0/22 (4777 2516 6762 22381 263432 28583)
  187.61.80.0/22       4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 187.61.84.0/22 (4777 2516 6762 22381 263432 28583)
  187.61.84.0/22       4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 187.61.80.0/22 (4777 2516 6762 22381 263432 28583)
  200.237.64.0/20      4777 2497 3356 28583   
  200.237.64.0/21      4777 2497 3356 28583 - Withdrawn - matching aggregate 200.237.64.0/20 4777 2497 3356 28583
  200.237.64.0/20      4777 2516 6762 22381 263432 28583 + Announce - aggregate of 200.237.64.0/21 (4777 2516 6762 22381 263432 28583) and 200.237.72.0/21 (4777 2516 6762 22381 263432 28583)
  200.237.64.0/22      4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 200.237.68.0/22 (4777 2516 6762 22381 263432 28583)
  200.237.68.0/22      4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 200.237.64.0/22 (4777 2516 6762 22381 263432 28583)
  200.237.72.0/21      4777 2497 3356 28583 - Withdrawn - matching aggregate 200.237.64.0/20 4777 2497 3356 28583
  200.237.72.0/22      4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 200.237.76.0/22 (4777 2516 6762 22381 263432 28583)
  200.237.76.0/22      4777 2516 6762 22381 263432 28583 - Withdrawn - aggregated with 200.237.72.0/22 (4777 2516 6762 22381 263432 28583)
  200.237.78.0/23      4777 2497 2914 17222 28583   
  201.46.104.0/21      4777 2497 2914 17222 28583   
  201.46.122.0/23      4777 2497 2914 17222 28583   

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

AS28583   15 More Specifics   19 Total Advertisements   AS28583 - RuralWeb Telecomunicacoes Ltda, BR
    187.61.64.0/21                187.61.64.0/20
    187.61.72.0/21                187.61.64.0/20
    187.61.74.0/23                187.61.64.0/20
    187.61.76.0/23                187.61.64.0/20
    187.61.78.0/23                187.61.64.0/20
    187.61.80.0/22                187.61.80.0/21
    187.61.84.0/22                187.61.80.0/21
    200.237.64.0/21               200.237.64.0/20
    200.237.64.0/22               200.237.64.0/20
    200.237.68.0/22               200.237.64.0/20
    200.237.72.0/21               200.237.64.0/20
    200.237.72.0/22               200.237.64.0/20
    200.237.76.0/22               200.237.64.0/20
    200.237.78.0/23               200.237.64.0/20
    201.46.104.0/21               201.46.96.0/20

Whois Entry

whois: 402603

IANA has recorded AS28583 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28583\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.
             % 2026-06-08T05:40:00-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28583
             owner:       RuralWeb Telecomunica��es Ltda
             ownerid:     05.857.540/0001-00
             responsible: Marcus Antonio Kruel
             country:     BR
             owner-c:     RJO57
             routing-c:   ABTEL3
             abuse-c:     ABTEL3
             created:     20040707
             changed:     20130306
             inetnum:     200.237.64.0/20
             inetnum:     2804:251c::/32
             inetnum:     187.61.80.0/21
             inetnum:     187.61.64.0/20
             inetnum:     201.46.96.0/20
             inetnum:     201.46.122.0/23
             
             nic-hdl-br:  RJO57
             person:      Rodrigo Jos� Guerino de Oliveira
             e-mail:      rodrigo@ruralwebtelecom.com.br
             country:     BR
             created:     20050124
             changed:     20210406
             
             nic-hdl-br:  ABTEL3
             person:      Abuse Telesat
             e-mail:      internet@ruralwebtelecom.com.br
             country:     BR
             created:     20080206
             changed:     20200323
             
             % 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.