Report for 61657

Name

AS61657 - Jr Net Informatica 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.

61657 AS61657 - Jr Net Informatica Ltda - ME, BR

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS266167        AS266167 - CELERIX TECNOLOGIA DE TELECOMUNICACOES LTDA, BR
  Downstream Adjacent AS list
    AS264386        AS264386 - MMM E G TELECOMUNICACOES LTDA - ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
20136 AS61657        ORG+TRN Originate:       3072 /20.42  Transit:        256 /24.00 AS61657 - Jr Net Informatica 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       %
17281 AS61657       AS61657 - Jr Net Informatica Ltda - ME, BR         7      3      1      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  131.100.252.0/22     4777 2497 3356 266167 61657 61657 61657   
  131.100.252.0/23     4777 2516 3356 266167 61657   
  131.100.252.0/24     4777 2497 3356 266167 61657   
  131.100.253.0/24     4777 2516 3356 266167 61657 - Withdrawn - matching aggregate 131.100.252.0/23 4777 2516 3356 266167 61657
  131.100.254.0/23     4777 2497 3356 266167 61657 61657   
  131.100.254.0/23     4777 2516 3356 266167 61657 + Announce - aggregate of 131.100.254.0/24 (4777 2516 3356 266167 61657) and 131.100.255.0/24 (4777 2516 3356 266167 61657)
  131.100.254.0/24     4777 2516 3356 266167 61657 - Withdrawn - aggregated with 131.100.255.0/24 (4777 2516 3356 266167 61657)
  131.100.255.0/24     4777 2516 3356 266167 61657 - Withdrawn - aggregated with 131.100.254.0/24 (4777 2516 3356 266167 61657)

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

AS61657   6 More Specifics   7 Total Advertisements   AS61657 - Jr Net Informatica Ltda - ME, BR
    131.100.252.0/23              131.100.252.0/22
    131.100.252.0/24              131.100.252.0/22
    131.100.253.0/24              131.100.252.0/22
    131.100.254.0/23              131.100.252.0/22
    131.100.254.0/24              131.100.252.0/22
    131.100.255.0/24              131.100.252.0/22

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 131.100.253.0/24            Announced
    + 131.100.254.0/24            Announced
    + 131.100.255.0/24            Announced

Whois Entry

whois: 402628

IANA has recorded AS61657 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61657\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.
             % 2026-06-15T16:10:06-03:00 - 2401:2000:6660::13
             
             aut-num:     AS61657
             owner:       Jr Net Informatica Ltda - ME
             ownerid:     11.106.227/0001-32
             responsible: Renato dos Santos Fraz�o
             country:     BR
             owner-c:     RDSFR11
             routing-c:   RDSFR11
             abuse-c:     RDSFR11
             created:     20140901
             changed:     20251218
             inetnum:     131.100.252.0/22
             inetnum:     2804:1c80::/32
             
             nic-hdl-br:  RDSFR11
             person:      Renato dos Santos Frazao
             e-mail:      noc@goiasnet.net.br
             country:     BR
             created:     20110414
             changed:     20251112
             
             % 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.