Report for 263605

Name

AS263605 - Centro Nacional de Pesquisa em Energia e Materiais, 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.

263605 AS263605 - Centro Nacional de Pesquisa em Energia e Materiais, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS1916          AS1916 - Rede Nacional de Ensino e Pesquisa, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
74415 AS263605       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  AS263605 - Centro Nacional de Pesquisa em Energia e Materiais, 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       %
69262 AS263605      AS263605 - Centro Nacional de Pesquisa em Ene      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  186.249.222.0/24     4608 7575 11537 1916 263605   

Whois Entry

whois: 402628

IANA has recorded AS263605 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263605\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.
             % 2026-06-15T12:53:37-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263605
             owner:       Centro Nacional de Pesquisa em Energia e Materiais
             ownerid:     01.576.817/0001-75
             responsible: Contato da Entidade CNPEM
             country:     BR
             owner-c:     COACN
             routing-c:   COACN
             abuse-c:     COACN
             created:     20130902
             changed:     20130902
             inetnum:     186.249.222.0/24
             inetnum:     2801:80:7a0::/48
             
             nic-hdl-br:  COACN
             person:      Contato Administrativo - CNPEM
             e-mail:      redes@cnpem.br
             country:     BR
             created:     20130801
             changed:     20250522
             
             % 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.