Report for 52770

Name

Acem 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.

52770 Acem Telecom Ltda, BR

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS28283         Adylnet Telecom, BR
    AS28146         MHNET TELECOM, BR
  Downstream Adjacent AS list
    AS263925        Acem Telecom Ltda, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17330 AS52770        ORG+TRN Originate:       4096 /20.00  Transit:       1536 /21.42 Acem 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       %
 5845 AS52770       Acem Telecom Ltda, BR                              9      8      0      1      8  88.89%


  Prefix               AS Path                              Aggregation Suggestion
  177.39.184.0/21      4777 2516 6762 28146 52770 52770 52770   
  177.39.184.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.185.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.186.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.187.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.188.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.189.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.190.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770
  177.39.191.0/24      4777 2516 6762 28146 52770 52770 52770 - Withdrawn - matching aggregate 177.39.184.0/21 4777 2516 6762 28146 52770 52770 52770

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

AS52770   8 More Specifics   9 Total Advertisements   Acem Telecom Ltda, BR
    177.39.184.0/24               177.39.184.0/21
    177.39.185.0/24               177.39.184.0/21
    177.39.186.0/24               177.39.184.0/21
    177.39.187.0/24               177.39.184.0/21
    177.39.188.0/24               177.39.184.0/21
    177.39.189.0/24               177.39.184.0/21
    177.39.190.0/24               177.39.184.0/21
    177.39.191.0/24               177.39.184.0/21

Whois Entry

whois: 402332

IANA has recorded AS52770 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52770\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.
             % 2026-05-02T10:13:44-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52770
             owner:       Acem Telecom Ltda
             ownerid:     07.809.623/0001-59
             responsible: Cynthia Rossi Bitello
             country:     BR
             owner-c:     CYRBI
             routing-c:   NORTE3
             abuse-c:     NORTE3
             created:     20120910
             changed:     20200609
             inetnum:     177.39.184.0/21
             inetnum:     2804:b64::/32
             
             nic-hdl-br:  CYRBI
             person:      CYNTHIA ROSSI BITELLO
             e-mail:      cynthia@acem.net.br
             country:     BR
             created:     20190411
             changed:     20250417
             
             nic-hdl-br:  NORTE3
             person:      NOC REVO TELECOM
             e-mail:      noc@acem.net.br
             country:     BR
             created:     20151019
             changed:     20230512
             
             % 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.