Report for 28295

Name

AS28295 - Diagnosticos da America 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 AS6447) 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.

28295 Diagnosticos da America S.A., BR

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS10429         TELEFONICA BRASIL S.A, BR
    AS4230          CLARO S.A., BR
    AS15830         EQUINIX, NL
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
12663 AS28295        ORIGIN  Originate:       7424 /19.14  Transit:          0 /0.00  Diagnosticos da America 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       %
 6598 AS28295       Diagnosticos da America S.A., BR                  14      8      1      7      7  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  189.39.64.0/20       7018 3356 28295        
  189.39.64.0/24       6939 4230 28295        
  189.39.65.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295
  189.39.66.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295
  189.39.67.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295
  189.39.69.0/24       6939 4230 28295        
  189.39.70.0/24       6939 12956 10429 28295   
  189.39.71.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295
  189.39.73.0/24       7018 3356 28295 28295 28295 28295 28295 28295 28295 28295   
  189.39.74.0/24       7018 3356 28295 28295 28295 28295 28295 28295 28295 28295   
  189.39.75.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295
  189.39.76.0/23       6939 15830 28295 28295 28295 28295 28295 28295 28295 28295 + Announce - aggregate of 189.39.76.0/24 (6939 15830 28295 28295 28295 28295 28295 28295 28295 28295) and 189.39.77.0/24 (6939 15830 28295 28295 28295 28295 28295 28295 28295 28295)
  189.39.76.0/24       6939 15830 28295 28295 28295 28295 28295 28295 28295 28295 - Withdrawn - aggregated with 189.39.77.0/24 (6939 15830 28295 28295 28295 28295 28295 28295 28295 28295)
  189.39.77.0/24       6939 15830 28295 28295 28295 28295 28295 28295 28295 28295 - Withdrawn - aggregated with 189.39.76.0/24 (6939 15830 28295 28295 28295 28295 28295 28295 28295 28295)
  189.39.78.0/24       7018 3356 28295      - Withdrawn - matching aggregate 189.39.64.0/20 7018 3356 28295

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

AS28295   7 More Specifics   8 Total Advertisements   Diagnosticos da America S.A., BR
    189.39.64.0/24                189.39.64.0/20
    189.39.65.0/24                189.39.64.0/20
    189.39.66.0/24                189.39.64.0/20
    189.39.67.0/24                189.39.64.0/20
    189.39.68.0/23                189.39.64.0/20
    189.39.75.0/24                189.39.64.0/20
    189.39.78.0/24                189.39.64.0/20
    189.39.69.0/24                189.39.64.0/20
    189.39.70.0/24                189.39.64.0/20
    189.39.71.0/24                189.39.64.0/20
    189.39.73.0/24                189.39.64.0/20

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 189.39.68.0/23              Announced
    - 189.39.69.0/24              Withdrawn
    - 189.39.70.0/24              Withdrawn
    - 189.39.71.0/24              Withdrawn
    - 189.39.73.0/24              Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS28295 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28295\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.
             % 2026-05-27T18:52:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28295
             owner:       Diagnosticos da America S.A.
             ownerid:     61.486.650/0001-83
             responsible: Infraestrutura de TI - DASA
             country:     BR
             owner-c:     DIASA2
             routing-c:   DIASA2
             abuse-c:     DIASA2
             created:     20070529
             changed:     20230317
             inetnum:     189.39.64.0/20
             
             nic-hdl-br:  DIASA2
             person:      Diagn�sticos da Am�rica S.A.
             e-mail:      abuse@dasa.com.br
             country:     BR
             created:     20070123
             changed:     20260415
             
             % 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.