Report for 61638

Name

AS61638 - Impactnet Telecomunicacoes 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.

61638 AS61638 - Impactnet Telecomunicacoes LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS266525        AS266525 - Eurocorp Vialux Internet Eireli, BR
    AS271412        AS271412 - FR Sousa Telecomunicacoes LTDA - ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
37438 AS61638        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  AS61638 - Impactnet Telecomunicacoes 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       %
24226 AS61638       AS61638 - Impactnet Telecomunicacoes LTDA, BR      4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.100.136.0/23     4777 2516 6762 16735 271412 61638 + Announce - aggregate of 131.100.136.0/24 (4777 2516 6762 16735 271412 61638) and 131.100.137.0/24 (4777 2516 6762 16735 271412 61638)
  131.100.136.0/24     4777 2516 6762 16735 271412 61638 - Withdrawn - aggregated with 131.100.137.0/24 (4777 2516 6762 16735 271412 61638)
  131.100.137.0/24     4777 2516 6762 16735 271412 61638 - Withdrawn - aggregated with 131.100.136.0/24 (4777 2516 6762 16735 271412 61638)
  131.100.138.0/24     4777 2516 6762 16735 271412 61638   
  131.100.139.0/24     4777 2497 37468 266525 266525 61638   

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

AS61638   4 More Specifics   4 Total Advertisements   AS61638 - Impactnet Telecomunicacoes LTDA, BR
    131.100.136.0/24              131.100.136.0/22
    131.100.137.0/24              131.100.136.0/22
    131.100.138.0/24              131.100.136.0/22
    131.100.139.0/24              131.100.136.0/22

Whois Entry

whois: 402625

IANA has recorded AS61638 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61638\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.
             % 2026-06-14T12:34:14-03:00 - 2401:2000:6660::13
             
             aut-num:     AS61638
             owner:       Impactnet Telecomunicacoes LTDA
             ownerid:     12.077.924/0001-75
             responsible: Fernando Morais de Oliveira
             country:     BR
             owner-c:     FEMOL52
             routing-c:   EEDSI4
             abuse-c:     NOMTE13
             created:     20140818
             changed:     20250428
             inetnum:     131.100.136.0/22
             inetnum:     2804:1c1c::/32
             as-in:       from AS271412 100 accept ANY
             as-in:       from AS264415 100 accept ANY
             as-in:       from AS263159 100 accept ANY
             as-out:      to AS271412 announce AS61638
             as-out:      to AS264415 announce AS61638
             as-out:      to AS263159 announce AS61638
             
             nic-hdl-br:  FEMOL52
             person:      Fernando Morais de Oliveira
             e-mail:      fernando@impactnettelecom.com.br
             country:     BR
             created:     20110606
             changed:     20230818
             
             nic-hdl-br:  EEDSI4
             person:      Elton Estevam Damaceno da Silva
             e-mail:      eltonestevam@live.com
             country:     BR
             created:     20200916
             changed:     20241206
             
             nic-hdl-br:  NOMTE13
             person:      NOC Maxis Telecom
             e-mail:      noc@maxistelecom.com.br
             country:     BR
             created:     20220308
             changed:     20240611
             
             % 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.