Report for 52851

Name

CTA INTERNET 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.

52851 CTA INTERNET LTDA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28605         Defferrari Informatica Ltda., BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
25568 AS52851        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  CTA INTERNET 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       %
10606 AS52851       CTA INTERNET LTDA, BR                              5      4      0      1      4  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.202.212.0/22     4777 2497 3356 28605 52851   
  143.202.212.0/24     4777 2497 3356 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4777 2497 3356 28605 52851
  143.202.213.0/24     4777 2497 3356 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4777 2497 3356 28605 52851
  143.202.214.0/24     4777 2497 3356 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4777 2497 3356 28605 52851
  143.202.215.0/24     4777 2497 3356 28605 52851 - Withdrawn - matching aggregate 143.202.212.0/22 4777 2497 3356 28605 52851

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

AS52851   4 More Specifics   5 Total Advertisements   CTA INTERNET LTDA, BR
    143.202.212.0/24              143.202.212.0/22
    143.202.213.0/24              143.202.212.0/22
    143.202.214.0/24              143.202.212.0/22
    143.202.215.0/24              143.202.212.0/22

Whois Entry

whois: 402332

IANA has recorded AS52851 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52851\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.
             % 2026-03-30T21:32:02-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52851
             owner:       CTA INTERNET LTDA
             ownerid:     52.457.011/0001-07
             responsible: ANDREIA MULLING
             country:     BR
             owner-c:     ANBMU34
             routing-c:   NOCIN12
             abuse-c:     NOCIN12
             created:     20111026
             changed:     20240227
             inetnum:     2804:72c::/32
             inetnum:     143.202.212.0/22
             
             nic-hdl-br:  ANBMU34
             person:      Andreia Bervaldt Mulling
             e-mail:      andreia@ctainternet.com.br
             country:     BR
             created:     20231113
             changed:     20241022
             
             nic-hdl-br:  NOCIN12
             person:      NOC CTA INTERNET
             e-mail:      noc@ctainternet.com.br
             country:     BR
             created:     20240212
             changed:     20240212
             
             % 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.