Report for 28291

Name

AS28291 - MINISTERIO DA SAUDE, 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.

28291 AS28291 - MINISTERIO DA SAUDE, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4230          AS4230 - CLARO S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11106 AS28291        ORIGIN  Originate:       8704 /18.91  Transit:          0 /0.00  AS28291 - MINISTERIO DA SAUDE, 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       %
 4574 AS28291       AS28291 - MINISTERIO DA SAUDE, BR                 12     11      0      1     11  91.67%


  Prefix               AS Path                              Aggregation Suggestion
  189.28.128.0/20      4777 2516 4230 28291   
  189.28.128.0/21      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.130.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.135.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.136.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.137.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.138.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.139.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.140.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.141.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.142.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291
  189.28.143.0/24      4777 2516 4230 28291 - Withdrawn - matching aggregate 189.28.128.0/20 4777 2516 4230 28291

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

AS28291   11 More Specifics   12 Total Advertisements   AS28291 - MINISTERIO DA SAUDE, BR
    189.28.128.0/21               189.28.128.0/20
    189.28.130.0/24               189.28.128.0/20
    189.28.135.0/24               189.28.128.0/20
    189.28.136.0/24               189.28.128.0/20
    189.28.137.0/24               189.28.128.0/20
    189.28.138.0/24               189.28.128.0/20
    189.28.139.0/24               189.28.128.0/20
    189.28.140.0/24               189.28.128.0/20
    189.28.141.0/24               189.28.128.0/20
    189.28.142.0/24               189.28.128.0/20
    189.28.143.0/24               189.28.128.0/20

Whois Entry

whois: 402603

IANA has recorded AS28291 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28291\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded