Report for 263118

Name

AS263118 - Celulose Nipo-Brasileira S.A - CENIBRA, 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.

263118 Celulose Nipo-Brasileira S.A - CENIBRA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS28360         WKVE Asses. em Servicos de Inform. e Telecom. Ltda, BR
    AS4230          CLARO S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
41581 AS263118       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  Celulose Nipo-Brasileira S.A - CENIBRA, 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       %
18954 AS263118      Celulose Nipo-Brasileira S.A - CENIBRA, BR         3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  177.190.244.0/23     3257 4230 263118       
  177.190.244.0/24     3257 4230 263118     - Withdrawn - matching aggregate 177.190.244.0/23 3257 4230 263118
  177.190.245.0/24     3257 4230 263118     - Withdrawn - matching aggregate 177.190.244.0/23 3257 4230 263118

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

AS263118   2 More Specifics   3 Total Advertisements   Celulose Nipo-Brasileira S.A - CENIBRA, BR
    177.190.244.0/24              177.190.244.0/23
    177.190.245.0/24              177.190.244.0/23
    177.190.245.128/25            177.190.244.0/23
    177.190.245.160/27            177.190.244.0/23

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 177.190.245.128/25          Withdrawn
    - 177.190.245.160/27          Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS263118 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263118\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.
             % 2026-06-04T15:50:06-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263118
             owner:       Celulose Nipo-Brasileira S.A - CENIBRA
             ownerid:     42.278.796/0001-99
             responsible: Ronaldo Neves Ribeiro - DETIN
             country:     BR
             owner-c:     ACO185
             routing-c:   ACO185
             abuse-c:     ACO185
             created:     20140508
             changed:     20140508
             inetnum:     177.190.244.0/23
             inetnum:     2801:80:a30::/48
             
             nic-hdl-br:  ACO185
             person:      Amarildo Cirilo de Oliveira
             e-mail:      amarildo.oliveira@cenibra.com.br
             country:     BR
             created:     20030408
             changed:     20250724
             
             % 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.