Report for 28150

Name

CDT Network 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.

28150 CDT Network Ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS22381         Megatelecom Telecomunicacoes Ltda, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17055 AS28150        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  CDT Network 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       %
16444 AS28150       CDT Network Ltda, BR                               6      4      2      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  187.60.16.0/21       4777 2497 3356 28150 + Announce - aggregate of 187.60.16.0/22 (4777 2497 3356 28150) and 187.60.20.0/22 (4777 2497 3356 28150)
  187.60.16.0/22       4777 2497 3356 28150 - Withdrawn - aggregated with 187.60.20.0/22 (4777 2497 3356 28150)
  187.60.18.0/23       4777 2516 3356 22381 28150 + Announce - aggregate of 187.60.18.0/24 (4777 2516 3356 22381 28150) and 187.60.19.0/24 (4777 2516 3356 22381 28150)
  187.60.18.0/24       4777 2516 3356 22381 28150 - Withdrawn - aggregated with 187.60.19.0/24 (4777 2516 3356 22381 28150)
  187.60.19.0/24       4777 2516 3356 22381 28150 - Withdrawn - aggregated with 187.60.18.0/24 (4777 2516 3356 22381 28150)
  187.60.20.0/22       4777 2497 3356 28150 - Withdrawn - aggregated with 187.60.16.0/22 (4777 2497 3356 28150)
  187.60.24.0/23       4777 2497 3356 28150   
  187.60.28.0/22       4777 2497 3356 28150   

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

AS28150   6 More Specifics   6 Total Advertisements   CDT Network Ltda, BR
    187.60.16.0/22                187.60.16.0/20
    187.60.18.0/24                187.60.16.0/20
    187.60.19.0/24                187.60.16.0/20
    187.60.20.0/22                187.60.16.0/20
    187.60.24.0/23                187.60.16.0/20
    187.60.28.0/22                187.60.16.0/20

Whois Entry

whois: 402332

IANA has recorded AS28150 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28150\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.
             % 2026-04-02T08:55:21-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28150
             owner:       CDT Network Ltda
             ownerid:     07.861.033/0001-75
             responsible: Igor Monin Ten�rio Marcondes
             country:     BR
             owner-c:     REC438
             routing-c:   REC438
             abuse-c:     REC438
             created:     20090429
             changed:     20130306
             inetnum:     187.60.16.0/20
             inetnum:     2804:2a34::/32
             
             nic-hdl-br:  REC438
             person:      Registro ConsulData
             e-mail:      registro@consuldata.com.br
             country:     BR
             created:     20050615
             changed:     20260327
             
             % 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.