Report for 61751

Name

AS61751 - SINTNET-TELECOMUNICACOES E INFORMATICA 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 AS6447) 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.

61751 SINTNET-TELECOMUNICACOES E INFORMATICA LTDA, BR

  Adjacency:     6  Upstream:     3  Downstream:     3
  Upstream Adjacent AS list
    AS6939          HURRICANE, US
    AS267470        CX Pro, BR
    AS3356          LEVEL3, US
  Downstream Adjacent AS list
    AS271681        R RODRIGUES MENEZES SERVICOS DE INTERNET LTDA ME, BR
    AS269076        L DA COSTA SILVA COMUNICACOES, BR
    AS272564        Javanet Telecom Eireli, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13958 AS61751        ORG+TRN Originate:       6144 /19.42  Transit:       5632 /19.54 SINTNET-TELECOMUNICACOES E INFORMATICA 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       %
 4455 AS61751       SINTNET-TELECOMUNICACOES E INFORMATICA LTDA,      14     12      0      2     12  85.71%


  Prefix               AS Path                              Aggregation Suggestion
  131.72.252.0/22      6939 61751             
  131.72.252.0/23      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  131.72.252.0/24      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  131.72.253.0/24      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  131.72.254.0/23      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  131.72.254.0/24      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  131.72.255.0/24      6939 61751           - Withdrawn - matching aggregate 131.72.252.0/22 6939 61751
  168.228.40.0/22      6939 61751             
  168.228.40.0/23      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751
  168.228.40.0/24      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751
  168.228.41.0/24      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751
  168.228.42.0/23      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751
  168.228.42.0/24      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751
  168.228.43.0/24      6939 61751           - Withdrawn - matching aggregate 168.228.40.0/22 6939 61751

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

AS61751   12 More Specifics   14 Total Advertisements   SINTNET-TELECOMUNICACOES E INFORMATICA LTDA, BR
    131.72.252.0/23               131.72.252.0/22
    131.72.252.0/24               131.72.252.0/22
    131.72.253.0/24               131.72.252.0/22
    131.72.254.0/23               131.72.252.0/22
    131.72.254.0/24               131.72.252.0/22
    131.72.255.0/24               131.72.252.0/22
    168.228.40.0/23               168.228.40.0/22
    168.228.40.0/24               168.228.40.0/22
    168.228.41.0/24               168.228.40.0/22
    168.228.42.0/23               168.228.40.0/22
    168.228.42.0/24               168.228.40.0/22
    168.228.43.0/24               168.228.40.0/22

Whois Entry

whois: 402603

IANA has recorded AS61751 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61751\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.
             % 2026-06-10T09:12:01-03:00 - 2401:2000:6660::13
             
             aut-num:     AS61751
             owner:       SINTNET-TELECOMUNICACOES E INFORMATICA LTDA
             ownerid:     17.047.165/0001-11
             responsible: alexandre moraes
             country:     BR
             owner-c:     SIINF24
             routing-c:   SIINF24
             abuse-c:     SIINF24
             created:     20140812
             changed:     20160316
             inetnum:     131.72.252.0/22
             inetnum:     2804:1bcc::/32
             inetnum:     168.228.40.0/22
             
             nic-hdl-br:  SIINF24
             person:      SINTNET-TELECOMUNICA��ES E INFORMATICA
             e-mail:      alexandre@sintercom.com.br
             country:     BR
             created:     20150304
             changed:     20250122
             
             % 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.