Report for 53146

Name

AS53146 - R2 Telecom Com. Prod. Inform. 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.

53146 AS53146 - R2 Telecom Com. Prod. Inform. Ltda, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS273683        AS273683 - ALLREDE TELECOM LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9229  AS53146        ORIGIN  Originate:      12288 /18.42  Transit:          0 /0.00  AS53146 - R2 Telecom Com. Prod. Inform. 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       %
 3177 AS53146       AS53146 - R2 Telecom Com. Prod. Inform. Ltda,     19     18      1      2     17  89.47%


  Prefix               AS Path                              Aggregation Suggestion
  186.195.32.0/20      4777 2516 3356 273683 53146 53146 53146 53146   
  186.195.32.0/21      4777 2516 3356 273683 53146 53146 53146 53146 - Withdrawn - matching aggregate 186.195.32.0/20 4777 2516 3356 273683 53146 53146 53146 53146
  186.195.32.0/20      4777 2516 3356 273683 53146 + Announce - aggregate of 186.195.32.0/21 (4777 2516 3356 273683 53146) and 186.195.40.0/21 (4777 2516 3356 273683 53146)
  186.195.32.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.33.0/24 (4777 2516 3356 273683 53146)
  186.195.33.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.32.0/24 (4777 2516 3356 273683 53146)
  186.195.34.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.35.0/24 (4777 2516 3356 273683 53146)
  186.195.35.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.34.0/24 (4777 2516 3356 273683 53146)
  186.195.36.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.37.0/24 (4777 2516 3356 273683 53146)
  186.195.37.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.36.0/24 (4777 2516 3356 273683 53146)
  186.195.38.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.39.0/24 (4777 2516 3356 273683 53146)
  186.195.39.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.38.0/24 (4777 2516 3356 273683 53146)
  186.195.40.0/21      4777 2516 3356 273683 53146 53146 53146 53146 - Withdrawn - matching aggregate 186.195.32.0/20 4777 2516 3356 273683 53146 53146 53146 53146
  186.195.40.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.41.0/24 (4777 2516 3356 273683 53146)
  186.195.41.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.40.0/24 (4777 2516 3356 273683 53146)
  186.195.42.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.43.0/24 (4777 2516 3356 273683 53146)
  186.195.43.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.42.0/24 (4777 2516 3356 273683 53146)
  186.195.44.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.45.0/24 (4777 2516 3356 273683 53146)
  186.195.45.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.44.0/24 (4777 2516 3356 273683 53146)
  186.195.46.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.47.0/24 (4777 2516 3356 273683 53146)
  186.195.47.0/24      4777 2516 3356 273683 53146 - Withdrawn - aggregated with 186.195.46.0/24 (4777 2516 3356 273683 53146)

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

AS53146   18 More Specifics   19 Total Advertisements   AS53146 - R2 Telecom Com. Prod. Inform. Ltda, BR
    186.195.32.0/21               186.195.32.0/20
    186.195.32.0/24               186.195.32.0/20
    186.195.33.0/24               186.195.32.0/20
    186.195.34.0/24               186.195.32.0/20
    186.195.35.0/24               186.195.32.0/20
    186.195.36.0/24               186.195.32.0/20
    186.195.37.0/24               186.195.32.0/20
    186.195.38.0/24               186.195.32.0/20
    186.195.39.0/24               186.195.32.0/20
    186.195.40.0/21               186.195.32.0/20
    186.195.40.0/24               186.195.32.0/20
    186.195.41.0/24               186.195.32.0/20
    186.195.42.0/24               186.195.32.0/20
    186.195.43.0/24               186.195.32.0/20
    186.195.44.0/24               186.195.32.0/20
    186.195.45.0/24               186.195.32.0/20
    186.195.46.0/24               186.195.32.0/20
    186.195.47.0/24               186.195.32.0/20

Whois Entry

whois: 402613

IANA has recorded AS53146 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53146\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.
             % 2026-06-12T18:52:12-03:00 - 2401:2000:6660::13
             
             aut-num:     AS53146
             owner:       R2 Telecom Com. Prod. Inform. Ltda
             ownerid:     72.639.628/0001-42
             responsible: Romualdo Arcoverde
             country:     BR
             owner-c:     UNB5
             routing-c:   UNB5
             abuse-c:     UNB5
             created:     20100429
             changed:     20130306
             inetnum:     186.195.32.0/20
             inetnum:     2804:5150::/32
             
             nic-hdl-br:  UNB5
             person:      UNISYS NETWORK BRASILIA
             e-mail:      romualdo@r2telecom.com.br
             country:     BR
             created:     19990920
             changed:     20240510
             
             % 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.