Report for 28239

Name

AS28239 - IWserver Internet Banda Larga 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.

28239 AS28239 - IWserver Internet Banda Larga Ltda., BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS14840         AS14840 - BR.Digital Telecom, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12539 AS28239        ORIGIN  Originate:       7424 /19.14  Transit:          0 /0.00  AS28239 - IWserver Internet Banda Larga 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       %
10046 AS28239       AS28239 - IWserver Internet Banda Larga Ltda.     10      4      0      6      4  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  186.235.112.0/21     4777 2516 6762 14840 28239   
  186.235.113.0/24     4777 2516 6762 14840 28239 - Withdrawn - matching aggregate 186.235.112.0/21 4777 2516 6762 14840 28239
  186.235.118.0/24     4777 2497 3356 28239   
  186.235.119.0/24     4777 2516 6762 14840 28239 - Withdrawn - matching aggregate 186.235.112.0/21 4777 2516 6762 14840 28239
  187.0.144.0/22       4777 2497 3356 28239   
  187.0.144.0/24       4777 2497 3356 28239 - Withdrawn - matching aggregate 187.0.144.0/22 4777 2497 3356 28239
  187.0.148.0/22       4777 2516 6762 14840 28239   
  187.0.152.0/22       4777 2516 6762 14840 28239   
  187.0.152.0/24       4777 2516 6762 14840 28239 - Withdrawn - matching aggregate 187.0.152.0/22 4777 2516 6762 14840 28239
  187.0.156.0/22       4777 2497 3356 28239   

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

AS28239   9 More Specifics   10 Total Advertisements   AS28239 - IWserver Internet Banda Larga Ltda., BR
    186.235.113.0/24              186.235.112.0/21
    186.235.118.0/24              186.235.112.0/21
    186.235.119.0/24              186.235.112.0/21
    187.0.144.0/22                187.0.144.0/20
    187.0.144.0/24                187.0.144.0/20
    187.0.148.0/22                187.0.144.0/20
    187.0.152.0/22                187.0.144.0/20
    187.0.152.0/24                187.0.144.0/20
    187.0.156.0/22                187.0.144.0/20

Whois Entry

whois: 402603

IANA has recorded AS28239 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28239\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded