Report for 61901

Name

AS61901 - RMR Assessoria Tecnica em Teleinformatica 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.

61901 AS61901 - RMR Assessoria Tecnica em Teleinformatica LTDA-ME, BR

  Adjacency:     4  Upstream:     2  Downstream:     2
  Upstream Adjacent AS list
    AS28220         AS28220 - Alares Cabo Servicos de Telecomunicacoes S.A., BR
    AS269337        AS269337 - CONECWEB SERVICOS DE COMUNICACAO LTDA, BR
  Downstream Adjacent AS list
    AS267511        AS267511 - JK NET SERVICOS MULTIMIDIA EIRELI - EPP, BR
    AS270940        AS270940 - VeloxFibra Telecom, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15164 AS61901        ORG+TRN Originate:       5120 /19.68  Transit:       1024 /22.00 AS61901 - RMR Assessoria Tecnica em Teleinformatica 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       %
24247 AS61901       AS61901 - RMR Assessoria Tecnica em Teleinfor      5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.254.52.0/23      4777 2516 6762 270735 269337 61901   
  170.254.54.0/23      4777 2497 3356 28220 61901 61901   
  191.5.64.0/21        4777 2516 6762 270735 269337 61901   
  191.5.64.0/21        4777 2497 174 52468 269337 61901 + Announce - aggregate of 191.5.64.0/22 (4777 2497 174 52468 269337 61901) and 191.5.68.0/22 (4777 2497 174 52468 269337 61901)
  191.5.64.0/22        4777 2497 174 52468 269337 61901 - Withdrawn - aggregated with 191.5.68.0/22 (4777 2497 174 52468 269337 61901)
  191.5.68.0/22        4777 2497 174 52468 269337 61901 - Withdrawn - aggregated with 191.5.64.0/22 (4777 2497 174 52468 269337 61901)

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

AS61901   4 More Specifics   5 Total Advertisements   AS61901 - RMR Assessoria Tecnica em Teleinformatica LTDA-ME, BR
    170.254.52.0/23               170.254.52.0/22
    170.254.54.0/23               170.254.52.0/22
    191.5.64.0/22                 191.5.64.0/21
    191.5.68.0/22                 191.5.64.0/21
    170.254.52.0/24               170.254.52.0/22
    170.254.53.0/24               170.254.52.0/22
    191.5.64.0/24                 191.5.64.0/21
    191.5.65.0/24                 191.5.64.0/21
    191.5.66.0/24                 191.5.64.0/21
    191.5.67.0/24                 191.5.64.0/21
    191.5.68.0/24                 191.5.64.0/21
    191.5.69.0/24                 191.5.64.0/21
    191.5.70.0/24                 191.5.64.0/21
    191.5.71.0/24                 191.5.64.0/21

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

    - 170.254.52.0/24             Withdrawn
    - 170.254.53.0/24             Withdrawn
    - 191.5.64.0/24               Withdrawn
    - 191.5.65.0/24               Withdrawn
    - 191.5.66.0/24               Withdrawn
    - 191.5.67.0/24               Withdrawn
    - 191.5.68.0/24               Withdrawn
    - 191.5.69.0/24               Withdrawn
    - 191.5.70.0/24               Withdrawn
    - 191.5.71.0/24               Withdrawn

Whois Entry

whois: 402628

IANA has recorded AS61901 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS61901\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.
             % 2026-06-15T17:40:17-03:00 - 2401:2000:6660::13
             
             aut-num:     AS61901
             owner:       RMR Assessoria T�cnica em Teleinform�tica LTDA-ME
             ownerid:     10.480.354/0001-34
             responsible: Jos� Marcos do Nascimento
             country:     BR
             owner-c:     MANAS219
             routing-c:   MANAS219
             abuse-c:     NORFI6
             created:     20140120
             changed:     20260218
             inetnum:     191.5.64.0/21
             inetnum:     2804:1370::/32
             inetnum:     170.254.52.0/22
             as-in:       from AS53018 100 accept ANY
             as-out:      to AS53018 announce AS61901
             
             nic-hdl-br:  MANAS219
             person:      Marcos Nascimento
             e-mail:      marcos@rmrteleinformatica.com.br
             country:     BR
             created:     20130618
             changed:     20260218
             
             nic-hdl-br:  NORFI6
             person:      NOC RMR FIBRA
             e-mail:      noc@rmrfibra.com.br
             country:     BR
             created:     20260218
             changed:     20260218
             
             % 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.