Report for 28195

Name

AS28195 - Com4 Data Center 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.

28195 AS28195 - Com4 Data Center Ltda, BR

  Adjacency:     5  Upstream:     2  Downstream:     3
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS16735         AS16735 - ALGAR TELECOM S/A, BR
  Downstream Adjacent AS list
    AS28589         AS28589 - Convex Internet Solutions, BR
    AS266065        AS266065 - VANGUARDA TELECOMUNICACOES LTDA ME, BR
    AS265049        AS265049 - MUNICIPIO DE FRANCA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11763 AS28195        ORG+TRN Originate:       8192 /19.00  Transit:       5376 /19.61 AS28195 - Com4 Data Center 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       %
16277 AS28195       AS28195 - Com4 Data Center Ltda, BR                4      4      2      2      2  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  186.249.32.0/20      4777 2497 3356 28195 + Announce - aggregate of 186.249.32.0/21 (4777 2497 3356 28195) and 186.249.40.0/21 (4777 2497 3356 28195)
  186.249.32.0/21      4777 2497 3356 28195 - Withdrawn - aggregated with 186.249.40.0/21 (4777 2497 3356 28195)
  186.249.40.0/21      4777 2497 3356 28195 - Withdrawn - aggregated with 186.249.32.0/21 (4777 2497 3356 28195)
  189.90.128.0/20      4777 2497 3356 28195 + Announce - aggregate of 189.90.128.0/21 (4777 2497 3356 28195) and 189.90.136.0/21 (4777 2497 3356 28195)
  189.90.128.0/21      4777 2497 3356 28195 - Withdrawn - aggregated with 189.90.136.0/21 (4777 2497 3356 28195)
  189.90.136.0/21      4777 2497 3356 28195 - Withdrawn - aggregated with 189.90.128.0/21 (4777 2497 3356 28195)

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

AS28195   4 More Specifics   4 Total Advertisements   AS28195 - Com4 Data Center Ltda, BR
    186.249.32.0/21               186.249.32.0/20
    186.249.40.0/21               186.249.32.0/20
    189.90.128.0/21               189.90.128.0/20
    189.90.136.0/21               189.90.128.0/20

Whois Entry

whois: 402613

IANA has recorded AS28195 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28195\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.
             % 2026-06-12T17:24:05-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28195
             owner:       Com4 Data Center Ltda
             ownerid:     02.420.128/0001-30
             responsible: Paulo Henrique Ferreira
             country:     BR
             owner-c:     PHF5
             routing-c:   PHF5
             abuse-c:     PHF5
             created:     20080320
             changed:     20241220
             inetnum:     189.90.128.0/20
             inetnum:     2804:160::/32
             inetnum:     186.249.32.0/20
             as-in:       from AS16735 100 accept ANY
             as-in:       from AS3549 100 accept ANY
             as-out:      to AS16735 announce AS28195
             as-out:      to AS3549 announce AS28195
             
             nic-hdl-br:  PHF5
             person:      Paulo Henrique Ferreira
             e-mail:      admdominio@com4.com.br
             country:     BR
             created:     19980311
             changed:     20250311
             
             % 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.