Report for 28581

Name

AS28581 - Banco Santander (Brasil) S.A., 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.

28581 AS28581 - Banco Santander (Brasil) S.A., BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS10429         AS10429 - TELEFONICA BRASIL S.A, BR
    AS4230          AS4230 - CLARO S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11774 AS28581        ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  AS28581 - Banco Santander (Brasil) S.A., 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       %
 3548 AS28581       AS28581 - Banco Santander (Brasil) S.A., BR       17     15      0      2     15  88.24%


  Prefix               AS Path                              Aggregation Suggestion
  200.220.176.0/20     4777 2516 4230 28581   
  200.220.176.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.177.0/24     4777 2516 4230 28581 28581   
  200.220.178.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.179.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.180.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.181.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.182.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.183.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.184.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.185.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.186.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.187.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.188.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.189.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.190.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581
  200.220.191.0/24     4777 2516 4230 28581 - Withdrawn - matching aggregate 200.220.176.0/20 4777 2516 4230 28581

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

AS28581   16 More Specifics   17 Total Advertisements   AS28581 - Banco Santander (Brasil) S.A., BR
    200.220.176.0/24              200.220.176.0/20
    200.220.177.0/24              200.220.176.0/20
    200.220.178.0/24              200.220.176.0/20
    200.220.179.0/24              200.220.176.0/20
    200.220.180.0/24              200.220.176.0/20
    200.220.181.0/24              200.220.176.0/20
    200.220.182.0/24              200.220.176.0/20
    200.220.183.0/24              200.220.176.0/20
    200.220.184.0/24              200.220.176.0/20
    200.220.185.0/24              200.220.176.0/20
    200.220.186.0/24              200.220.176.0/20
    200.220.187.0/24              200.220.176.0/20
    200.220.188.0/24              200.220.176.0/20
    200.220.189.0/24              200.220.176.0/20
    200.220.190.0/24              200.220.176.0/20
    200.220.191.0/24              200.220.176.0/20

Whois Entry

whois: 402603

IANA has recorded AS28581 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28581\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded