Report for 271452

Name

AS271452 - Sigma Telecom Provedores de 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.

271452 AS271452 - Sigma Telecom Provedores de Internet Ltda, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11432         AS11432 - Telium Telecomunicacoes Ltda, BR
    AS268355        AS268355 - RESENDE & GONCALVES SERVICOS E INTERNET LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
43153 AS271452       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  AS271452 - Sigma Telecom Provedores de 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       %
71830 AS271452      AS271452 - Sigma Telecom Provedores de Intern      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.227.64.0/23       4777 2497 174 11432 271452 271452 271452   
  45.227.66.0/24       4777 2516 3356 268355 271452   
  45.227.67.0/24       4777 2497 174 11432 11432 11432 271452   

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

AS271452   3 More Specifics   3 Total Advertisements   AS271452 - Sigma Telecom Provedores de Internet Ltda, BR
    45.227.64.0/23                45.227.64.0/22
    45.227.66.0/24                45.227.64.0/22
    45.227.67.0/24                45.227.64.0/22

Whois Entry

whois: 402609

IANA has recorded AS271452 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271452\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.
             % 2026-06-11T06:44:01-03:00 - 2401:2000:6660::13
             
             aut-num:     AS271452
             owner:       Sigma Telecom Provedores de Internet Ltda
             ownerid:     21.623.495/0001-85
             responsible: Silvio Silva Ferreira
             country:     BR
             owner-c:     STPIL6
             routing-c:   STPIL6
             abuse-c:     STPIL6
             created:     20201020
             changed:     20201020
             inetnum:     2804:7bc0::/32
             inetnum:     45.227.64.0/22
             
             nic-hdl-br:  STPIL6
             person:      Sigma Telecom P de Internet Ltda
             e-mail:      silviosilvaferreira@hotmail.com
             country:     BR
             created:     20191014
             changed:     20251115
             
             % 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.