Report for 61920

Name

Link Explorer, 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.

61920 Link Explorer, BR

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS14840         BR.Digital Telecom, BR
    AS16735         ALGAR TELECOM SA, BR
  Downstream Adjacent AS list
    AS265372        Antena Sat NetCom, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18849 AS61920        ORG+TRN Originate:       3584 /20.19  Transit:        256 /24.00 Link Explorer, 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       %
17543 AS61920       Link Explorer, BR                                  4      2      0      2      2  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.233.244.0/22     4777 2497 16735 61920   
  170.233.247.0/24     4777 2497 16735 61920 - Withdrawn - matching aggregate 170.233.244.0/22 4777 2497 16735 61920
  190.2.72.0/21        4777 2497 16735 61920   
  190.2.79.0/24        4777 2497 16735 61920 - Withdrawn - matching aggregate 190.2.72.0/21 4777 2497 16735 61920

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

AS61920   2 More Specifics   4 Total Advertisements   Link Explorer, BR
    170.233.247.0/24              170.233.244.0/22
    190.2.79.0/24                 190.2.72.0/21

Whois Entry

whois: 402332

IANA has recorded AS61920 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61920\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.
             % 2026-03-30T21:21:23-03:00 - 2401:2000:6660::13
             
             aut-num:     AS61920
             owner:       Link Explorer
             ownerid:     09.161.920/0001-66
             responsible: Sandro Rizzo
             country:     BR
             owner-c:     SRA81
             routing-c:   SRA81
             abuse-c:     SRA81
             created:     20140529
             changed:     20140529
             inetnum:     190.2.72.0/21
             inetnum:     2804:1820::/32
             inetnum:     170.233.244.0/22
             
             nic-hdl-br:  SRA81
             person:      Sandro Rizzo Alves Almeida
             e-mail:      sandro@datasoftware.com.br
             country:     BR
             created:     20010718
             changed:     20260313
             
             % 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.