Report for 264203

Name

AS264203 - M.J. Cenatti & Cia 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.

264203 AS264203 - M.J. Cenatti & Cia Ltda, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28142         AS28142 - DIGITAL DESIGN SERVICOS DE TELECOMUNICACOES EIRELI, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
41321 AS264203       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  AS264203 - M.J. Cenatti & Cia 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       %
14588 AS264203      AS264203 - M.J. Cenatti & Cia Ltda, BR             4      4      1      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  138.97.244.0/22      4777 2497 3356 28142 264203 + Announce - aggregate of 138.97.244.0/23 (4777 2497 3356 28142 264203) and 138.97.246.0/23 (4777 2497 3356 28142 264203)
  138.97.244.0/24      4777 2497 3356 28142 264203 - Withdrawn - aggregated with 138.97.245.0/24 (4777 2497 3356 28142 264203)
  138.97.245.0/24      4777 2497 3356 28142 264203 - Withdrawn - aggregated with 138.97.244.0/24 (4777 2497 3356 28142 264203)
  138.97.246.0/24      4777 2497 3356 28142 264203 - Withdrawn - aggregated with 138.97.247.0/24 (4777 2497 3356 28142 264203)
  138.97.247.0/24      4777 2497 3356 28142 264203 - Withdrawn - aggregated with 138.97.246.0/24 (4777 2497 3356 28142 264203)

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

AS264203   4 More Specifics   4 Total Advertisements   AS264203 - M.J. Cenatti & Cia Ltda, BR
    138.97.244.0/24               138.97.244.0/22
    138.97.245.0/24               138.97.244.0/22
    138.97.246.0/24               138.97.244.0/22
    138.97.247.0/24               138.97.244.0/22

Whois Entry

whois: 402609

IANA has recorded AS264203 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS264203\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.
             % 2026-06-11T19:45:15-03:00 - 2401:2000:6660::13
             
             aut-num:     AS264203
             owner:       M.J. Cenatti & Cia Ltda
             ownerid:     04.380.893/0001-07
             responsible: Marcelo Juliano Cenatti
             country:     BR
             owner-c:     MAC2022
             routing-c:   MAC2022
             abuse-c:     MAC2022
             created:     20150407
             changed:     20150407
             inetnum:     138.97.244.0/22
             inetnum:     2804:2420::/32
             
             nic-hdl-br:  MAC2022
             person:      Marcelo Cenatti
             e-mail:      evolucao@evolucaoinfo.com
             country:     BR
             created:     20030926
             changed:     20220309
             
             % 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.