Report for 266140

Name

AS266140 - CMC TELECOM 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.

266140 AS266140 - CMC TELECOM LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS16735         AS16735 - ALGAR TELECOM S/A, BR
    AS28580         AS28580 - Cilnet Comunicacao e Informatica S.A., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27326 AS266140       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS266140 - CMC TELECOM 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       %
28232 AS266140      AS266140 - CMC TELECOM LTDA, BR                    3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  45.6.164.0/22        4777 2497 3356 28580 266140   
  45.6.164.0/22        4777 2497 3356 16735 266140 + Announce - aggregate of 45.6.164.0/23 (4777 2497 3356 16735 266140) and 45.6.166.0/23 (4777 2497 3356 16735 266140)
  45.6.164.0/23        4777 2497 3356 16735 266140 - Withdrawn - aggregated with 45.6.166.0/23 (4777 2497 3356 16735 266140)
  45.6.166.0/23        4777 2497 3356 16735 266140 - Withdrawn - aggregated with 45.6.164.0/23 (4777 2497 3356 16735 266140)

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

AS266140   2 More Specifics   3 Total Advertisements   AS266140 - CMC TELECOM LTDA, BR
    45.6.164.0/23                 45.6.164.0/22
    45.6.166.0/23                 45.6.164.0/22

Whois Entry

whois: 402591

IANA has recorded AS266140 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS266140\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.
             % 2026-06-05T10:10:05-03:00 - 2401:2000:6660::13
             
             aut-num:     AS266140
             owner:       CMC TELECOM LTDA
             ownerid:     25.316.717/0001-78
             responsible: Cesar Miguel Canavezzi
             country:     BR
             owner-c:     CTEME9
             routing-c:   CTEME9
             abuse-c:     CTEME9
             created:     20170407
             changed:     20170407
             inetnum:     45.6.164.0/22
             inetnum:     2804:3b4c::/32
             
             nic-hdl-br:  CTEME9
             person:      CMC Telecom EIRELI - ME
             e-mail:      noc@cmctelecom.com.br
             country:     BR
             created:     20170221
             changed:     20250121
             
             % 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.