Report for 27720

Name

AS27720 - CITTA 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 AS1221) 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.

27720 AS27720 - CITTA TELECOM LTDA, BR

  Adjacency:     6  Upstream:     4  Downstream:     2
  Upstream Adjacent AS list
    AS28663         AS28663 - FLYS INTERATIVA LTDA, BR
    AS22381         AS22381 - SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS26615         AS26615 - TIM S/A, BR
  Downstream Adjacent AS list
    AS28336         AS28336 - Dekanet Comunicacao Multimidia Ltda., BR
    AS263584        AS263584 - WanHouse Solucoes em Tecnologia LTDA - EPP, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8913  AS27720        ORG+TRN Originate:      12800 /18.36  Transit:       1024 /22.00 AS27720 - CITTA 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       %
 3530 AS27720       AS27720 - CITTA TELECOM LTDA, BR                  23     16      1      8     15  65.22%


  Prefix               AS Path                              Aggregation Suggestion
  138.59.96.0/22       4777 2497 2914 27720   
  138.59.96.0/23       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  138.59.96.0/24       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  138.59.97.0/24       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  138.59.98.0/23       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  138.59.98.0/24       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  138.59.99.0/24       4777 2497 2914 27720 - Withdrawn - matching aggregate 138.59.96.0/22 4777 2497 2914 27720
  143.208.156.0/22     4777 2497 2914 27720   
  143.208.156.0/24     4777 2497 2914 27720 - Withdrawn - matching aggregate 143.208.156.0/22 4777 2497 2914 27720
  143.208.157.0/24     4777 2516 6762 26615 27720   
  143.208.158.0/23     4777 2516 6762 26615 27720 + Announce - aggregate of 143.208.158.0/24 (4777 2516 6762 26615 27720) and 143.208.159.0/24 (4777 2516 6762 26615 27720)
  143.208.158.0/24     4777 2516 6762 26615 27720 - Withdrawn - aggregated with 143.208.159.0/24 (4777 2516 6762 26615 27720)
  143.208.159.0/24     4777 2516 6762 26615 27720 - Withdrawn - aggregated with 143.208.158.0/24 (4777 2516 6762 26615 27720)
  177.129.8.0/21       4777 2497 2914 27720   
  177.129.8.0/22       4777 2497 2914 27720 - Withdrawn - matching aggregate 177.129.8.0/21 4777 2497 2914 27720
  177.129.11.0/24      4777 2497 2914 27720 - Withdrawn - matching aggregate 177.129.8.0/21 4777 2497 2914 27720
  177.129.12.0/22      4777 2497 2914 27720 - Withdrawn - matching aggregate 177.129.8.0/21 4777 2497 2914 27720
  177.129.12.0/24      4777 2497 2914 27720 - Withdrawn - matching aggregate 177.129.8.0/21 4777 2497 2914 27720
  177.129.15.0/24      4777 2516 6762 26615 27720   
  191.128.224.0/22     4777 2516 6762 26615 27720   
  191.128.225.0/24     4777 2516 6762 26615 27720 - Withdrawn - matching aggregate 191.128.224.0/22 4777 2516 6762 26615 27720
  191.128.226.0/24     4777 2516 6762 26615 27720 - Withdrawn - matching aggregate 191.128.224.0/22 4777 2516 6762 26615 27720
  191.128.227.0/24     4777 2516 6762 26615 27720 - Withdrawn - matching aggregate 191.128.224.0/22 4777 2516 6762 26615 27720
  200.95.172.0/22      4777 2497 2914 27720   

Whois Entry

whois: 402628

IANA has recorded AS27720 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27720\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.
             % 2026-06-16T14:20:01-03:00 - 2401:2000:6660::13
             
             aut-num:     AS27720
             owner:       CITTA TELECOM LTDA
             ownerid:     12.935.241/0001-01
             responsible: Paulo Cesar Machado Junior
             country:     BR
             owner-c:     CITEL5
             routing-c:   CITEL5
             abuse-c:     CITEL5
             created:     20130422
             changed:     20130422
             inetnum:     177.129.8.0/22
             inetnum:     2804:da4::/32
             inetnum:     177.129.12.0/22
             inetnum:     200.95.172.0/22
             inetnum:     138.59.96.0/22
             inetnum:     143.208.156.0/22
             
             nic-hdl-br:  CITEL5
             person:      Citta Telecom
             e-mail:      noc@cittatelecom.com.br
             country:     BR
             created:     20120403
             changed:     20260508
             
             % 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.