Report for 28154

Name

AR TELECOM PROVEDOR 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.

28154 AR TELECOM PROVEDOR DE INTERNET LTDA, BR

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS16735         ALGAR TELECOM SA, BR
    AS269039        DENISE DE OLIVEIRA SILVA, BR
    AS28649         Desktop Sigmanet Comunicacao Multimidia SA, BR
    AS52468         UFINET PANAMA S.A., PA

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5986  AS28154        ORIGIN  Originate:      25600 /17.36  Transit:          0 /0.00  AR TELECOM PROVEDOR 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       %
 8464 AS28154       AR TELECOM PROVEDOR DE INTERNET LTDA, BR          25      9      4     20      5  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  177.54.64.0/20       4777 2497 16735 28154   
  177.54.64.0/21       4777 2516 6762 52468 28154   
  177.54.64.0/21       4777 2497 16735 28154 + Announce - aggregate of 177.54.64.0/22 (4777 2497 16735 28154) and 177.54.68.0/22 (4777 2497 16735 28154)
  177.54.64.0/22       4777 2497 16735 28154 - Withdrawn - aggregated with 177.54.68.0/22 (4777 2497 16735 28154)
  177.54.66.0/24       4608 7575 37468 52468 28154   
  177.54.67.0/24       4608 7575 37468 52468 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154 28154   
  177.54.68.0/22       4777 2497 16735 28154 - Withdrawn - aggregated with 177.54.64.0/22 (4777 2497 16735 28154)
  177.54.69.0/24       4777 2497 3356 28649 28154   
  177.54.72.0/21       4777 2516 6762 52468 28154   
  177.54.72.0/21       4777 2497 3356 28649 28154 + Announce - aggregate of 177.54.72.0/22 (4777 2497 3356 28649 28154) and 177.54.76.0/22 (4777 2497 3356 28649 28154)
  177.54.72.0/22       4777 2497 3356 28649 28154 - Withdrawn - aggregated with 177.54.76.0/22 (4777 2497 3356 28649 28154)
  177.54.74.0/23       4777 2516 6762 52468 28154   
  177.54.76.0/22       4777 2497 3356 28649 28154 - Withdrawn - aggregated with 177.54.72.0/22 (4777 2497 3356 28649 28154)
  187.49.208.0/20      4777 2497 16735 28154   
  187.49.208.0/20      4777 2516 6762 52468 28154 + Announce - aggregate of 187.49.208.0/21 (4777 2516 6762 52468 28154) and 187.49.216.0/21 (4777 2516 6762 52468 28154)
  187.49.208.0/21      4777 2516 6762 52468 28154 - Withdrawn - aggregated with 187.49.216.0/21 (4777 2516 6762 52468 28154)
  187.49.208.0/23      4777 2497 3356 28649 28154   
  187.49.208.0/24      4777 2497 16735 28154   
  187.49.209.0/24      4777 2497 3356 28649 28154 - Withdrawn - matching aggregate 187.49.208.0/23 4777 2497 3356 28649 28154
  187.49.210.0/24      4777 2497 16735 28154   
  187.49.212.0/22      4777 2497 16735 28154   
  187.49.215.0/24      4608 7575 37468 28649 269039 28154   
  187.49.216.0/21      4777 2516 6762 52468 28154 - Withdrawn - aggregated with 187.49.208.0/21 (4777 2516 6762 52468 28154)
  187.49.218.0/24      4777 2497 16735 28154   
  187.49.220.0/24      4777 2497 3356 28649 28154   
  187.49.221.0/24      4777 2497 16735 28154   
  187.49.222.0/23      4777 2497 16735 28154 + Announce - aggregate of 187.49.222.0/24 (4777 2497 16735 28154) and 187.49.223.0/24 (4777 2497 16735 28154)
  187.49.222.0/24      4777 2497 16735 28154 - Withdrawn - aggregated with 187.49.223.0/24 (4777 2497 16735 28154)
  187.49.223.0/24      4777 2497 16735 28154 - Withdrawn - aggregated with 187.49.222.0/24 (4777 2497 16735 28154)

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

AS28154   23 More Specifics   25 Total Advertisements   AR TELECOM PROVEDOR DE INTERNET LTDA, BR
    177.54.64.0/21                177.54.64.0/20
    177.54.64.0/22                177.54.64.0/20
    177.54.66.0/24                177.54.64.0/20
    177.54.67.0/24                177.54.64.0/20
    177.54.68.0/22                177.54.64.0/20
    177.54.69.0/24                177.54.64.0/20
    177.54.72.0/21                177.54.64.0/20
    177.54.72.0/22                177.54.64.0/20
    177.54.74.0/23                177.54.64.0/20
    177.54.76.0/22                177.54.64.0/20
    187.49.208.0/21               187.49.208.0/20
    187.49.208.0/23               187.49.208.0/20
    187.49.208.0/24               187.49.208.0/20
    187.49.209.0/24               187.49.208.0/20
    187.49.210.0/24               187.49.208.0/20
    187.49.212.0/22               187.49.208.0/20
    187.49.215.0/24               187.49.208.0/20
    187.49.216.0/21               187.49.208.0/20
    187.49.218.0/24               187.49.208.0/20
    187.49.220.0/24               187.49.208.0/20
    187.49.221.0/24               187.49.208.0/20
    187.49.222.0/24               187.49.208.0/20
    187.49.223.0/24               187.49.208.0/20

Whois Entry

whois: 402332

IANA has recorded AS28154 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28154\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.
             % 2026-05-03T05:56:21-03:00 - 2401:2000:6660::13
             
             aut-num:     AS28154
             owner:       AR TELECOM PROVEDOR DE INTERNET LTDA
             ownerid:     09.662.786/0001-87
             responsible: ALOYSIO RESENDE ROSSETI
             country:     BR
             owner-c:     ARR318
             routing-c:   ARR318
             abuse-c:     ARR318
             created:     20090416
             changed:     20130306
             inetnum:     187.49.208.0/20
             inetnum:     177.54.64.0/20
             inetnum:     2804:30b8::/32
             
             nic-hdl-br:  ARR318
             person:      Aloysio Resende Rosseti
             e-mail:      noc@nuvyon.com.br
             country:     BR
             created:     20051128
             changed:     20260112
             
             % 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.