Report for 265971

Name

CRBC TELECOM LTDA ME, 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.

265971 CRBC TELECOM LTDA ME, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS14840         BR.Digital Telecom, BR
    AS53062         ALT | GRUPO BRASIL TECPAR, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
20795 AS265971       ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  CRBC TELECOM LTDA ME, 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       %
 9365 AS265971      CRBC TELECOM LTDA ME, BR                           7      6      1      2      5  71.43%


  Prefix               AS Path                              Aggregation Suggestion
  164.163.196.0/22     4777 2516 6762 53062 265971   
  164.163.196.0/23     4777 2516 6762 53062 265971 - Withdrawn - matching aggregate 164.163.196.0/22 4777 2516 6762 53062 265971
  164.163.196.0/22     4777 2516 6762 14840 265971 + Announce - aggregate of 164.163.196.0/23 (4777 2516 6762 14840 265971) and 164.163.198.0/23 (4777 2516 6762 14840 265971)
  164.163.196.0/24     4777 2516 6762 14840 265971 - Withdrawn - aggregated with 164.163.197.0/24 (4777 2516 6762 14840 265971)
  164.163.197.0/24     4777 2516 6762 14840 265971 - Withdrawn - aggregated with 164.163.196.0/24 (4777 2516 6762 14840 265971)
  164.163.198.0/23     4777 2516 6762 53062 265971 - Withdrawn - matching aggregate 164.163.196.0/22 4777 2516 6762 53062 265971
  164.163.198.0/24     4777 2516 6762 14840 265971 - Withdrawn - aggregated with 164.163.199.0/24 (4777 2516 6762 14840 265971)
  164.163.199.0/24     4777 2516 6762 14840 265971 - Withdrawn - aggregated with 164.163.198.0/24 (4777 2516 6762 14840 265971)

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

AS265971   6 More Specifics   7 Total Advertisements   CRBC TELECOM LTDA ME, BR
    164.163.196.0/23              164.163.196.0/22
    164.163.196.0/24              164.163.196.0/22
    164.163.197.0/24              164.163.196.0/22
    164.163.198.0/23              164.163.196.0/22
    164.163.198.0/24              164.163.196.0/22
    164.163.199.0/24              164.163.196.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 164.163.198.0/23            Announced

Whois Entry

whois: 402332

IANA has recorded AS265971 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS265971\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.
             % 2026-03-31T02:22:10-03:00 - 2401:2000:6660::13
             
             aut-num:     AS265971
             owner:       CRBC TELECOM LTDA ME
             ownerid:     17.667.863/0001-10
             responsible: Cleverson Cordeiro
             country:     BR
             owner-c:     CLCOR92
             routing-c:   CLCOR92
             abuse-c:     CLCOR92
             created:     20170717
             changed:     20170717
             inetnum:     164.163.196.0/22
             inetnum:     2804:40a0::/32
             
             nic-hdl-br:  CLCOR92
             person:      Cleverson Cordeiro
             e-mail:      cleverson@crbctelecom.com.br
             country:     BR
             created:     20130413
             changed:     20250721
             
             % 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.