Report for 28583

Name

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 RuralWeb Telecomunicacoes Ltda, BR

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

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5610  AS28583        ORIGIN  Originate:      29184 /17.17  Transit:          0 /0.00  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       %
 5694 AS28583       RuralWeb Telecomunicacoes Ltda, BR                19     12      4     11      8  42.11%


  Prefix               AS Path                              Aggregation Suggestion
  187.61.64.0/20       4777 2497 3356 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  187.61.64.0/21       4777 2497 3356 28583 - Withdrawn - aggregated with 187.61.72.0/21 (4777 2497 3356 28583)
  187.61.72.0/21       4777 2497 3356 28583 - Withdrawn - aggregated with 187.61.64.0/21 (4777 2497 3356 28583)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  187.61.76.0/23       4777 2497 2914 17222 28583 - Withdrawn - aggregated with 187.61.78.0/23 (4777 2497 2914 17222 28583)
  187.61.78.0/23       4777 2497 2914 17222 28583 - Withdrawn - aggregated with 187.61.76.0/23 (4777 2497 2914 17222 28583)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 2497 3356 22381 263432 28583 + Announce - aggregate of 187.61.80.0/22 (4777 2497 3356 22381 263432 28583) and 187.61.84.0/22 (4777 2497 3356 22381 263432 28583)
  187.61.80.0/22       4777 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 187.61.84.0/22 (4777 2497 3356 22381 263432 28583)
  187.61.84.0/22       4777 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 187.61.80.0/22 (4777 2497 3356 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 2497 3356 22381 263432 28583 + Announce - aggregate of 200.237.64.0/21 (4777 2497 3356 22381 263432 28583) and 200.237.72.0/21 (4777 2497 3356 22381 263432 28583)
  200.237.64.0/22      4777 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 200.237.68.0/22 (4777 2497 3356 22381 263432 28583)
  200.237.68.0/22      4777 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 200.237.64.0/22 (4777 2497 3356 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 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 200.237.76.0/22 (4777 2497 3356 22381 263432 28583)
  200.237.76.0/22      4777 2497 3356 22381 263432 28583 - Withdrawn - aggregated with 200.237.72.0/22 (4777 2497 3356 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   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: 402332

IANA has recorded AS28583 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS28583\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)