Report for 266465

Name

COSTA & SILVA LTDA - ME, 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.

266465 COSTA & SILVA LTDA - ME, BR

  Adjacency:     5  Upstream:     2  Downstream:     3
  Upstream Adjacent AS list
    AS61568         ALOO TELECOM - FSF TECNOLOGIA SA, BR
    AS28624         PROVEDORA CMA INTERNET LTDA, BR
  Downstream Adjacent AS list
    AS267628        CLOVIS DA SILVA ALBUQUERQUE INTERNET - ME, BR
    AS268384        AJC TELECOM, BR
    AS270503        R LUIZ LEANDRO, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27663 AS266465       ORG+TRN Originate:       2048 /21.00  Transit:       1536 /21.42 COSTA & SILVA LTDA - ME, 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       %
28809 AS266465      COSTA & SILVA LTDA - ME, BR                        5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.83.12.0/22       4777 2497 3356 28624 266465   
  170.83.12.0/24       4777 2516 3356 28624 266465   
  170.83.13.0/24       4777 2497 2914 61568 266465   
  170.83.14.0/23       4777 2516 3356 28624 266465 + Announce - aggregate of 170.83.14.0/24 (4777 2516 3356 28624 266465) and 170.83.15.0/24 (4777 2516 3356 28624 266465)
  170.83.14.0/24       4777 2516 3356 28624 266465 - Withdrawn - aggregated with 170.83.15.0/24 (4777 2516 3356 28624 266465)
  170.83.15.0/24       4777 2516 3356 28624 266465 - Withdrawn - aggregated with 170.83.14.0/24 (4777 2516 3356 28624 266465)

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

AS266465   4 More Specifics   5 Total Advertisements   COSTA & SILVA LTDA - ME, BR
    170.83.12.0/24                170.83.12.0/22
    170.83.13.0/24                170.83.12.0/22
    170.83.14.0/24                170.83.12.0/22
    170.83.15.0/24                170.83.12.0/22

Whois Entry

whois: 402332

IANA has recorded AS266465 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS266465\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.
             % 2026-03-30T16:53:12-03:00 - 2401:2000:6660::13
             
             aut-num:     AS266465
             owner:       COSTA & SILVA LTDA - ME
             ownerid:     23.411.346/0001-88
             responsible: ANTONIERE DOS SANTOS
             country:     BR
             owner-c:     ANDSA739
             routing-c:   CSLME91
             abuse-c:     CSLME91
             created:     20170105
             changed:     20170105
             inetnum:     170.83.12.0/22
             inetnum:     2804:3840::/32
             
             nic-hdl-br:  ANDSA739
             person:      ANTONIERE DOS SANTOS
             e-mail:      noc@clikanettelecom.com.br
             country:     BR
             created:     20191224
             changed:     20191224
             
             nic-hdl-br:  CSLME91
             person:      COSTA & SILVA LTDA - ME
             e-mail:      antoniere.asak@gmail.com
             country:     BR
             created:     20161104
             changed:     20190201
             
             % 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.