Report for 52847

Name

AS52847 - Master Telecom, 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.

52847 AS52847 - Master Telecom, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS266574        AS266574 - GMT Multimidia Ltda, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
20019 AS52847        ORIGIN  Originate:       3072 /20.42  Transit:          0 /0.00  AS52847 - Master Telecom, 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       %
 7544 AS52847       AS52847 - Master Telecom, BR                       7      6      0      1      6  85.71%


  Prefix               AS Path                              Aggregation Suggestion
  177.66.148.0/22      4777 2516 6762 271253 266574 52847   
  177.66.148.0/23      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847
  177.66.148.0/24      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847
  177.66.149.0/24      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847
  177.66.150.0/23      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847
  177.66.150.0/24      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847
  177.66.151.0/24      4777 2516 6762 271253 266574 52847 - Withdrawn - matching aggregate 177.66.148.0/22 4777 2516 6762 271253 266574 52847

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

AS52847   6 More Specifics   7 Total Advertisements   AS52847 - Master Telecom, BR
    177.66.148.0/23               177.66.148.0/22
    177.66.148.0/24               177.66.148.0/22
    177.66.149.0/24               177.66.148.0/22
    177.66.150.0/23               177.66.148.0/22
    177.66.150.0/24               177.66.148.0/22
    177.66.151.0/24               177.66.148.0/22

Whois Entry

whois: 402603

IANA has recorded AS52847 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52847\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.
             % 2026-06-10T14:38:01-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52847
             owner:       Master Telecom
             ownerid:     05.902.563/0001-99
             responsible: Islan Santos de Oliveira
             country:     BR
             owner-c:     ISO10
             routing-c:   ISO10
             abuse-c:     ISO10
             created:     20121108
             changed:     20130306
             inetnum:     177.66.148.0/22
             inetnum:     2804:1084::/32
             
             nic-hdl-br:  ISO10
             person:      Islan Santos de Oliveira
             e-mail:      islanso@yahoo.com.br
             country:     BR
             created:     20011101
             changed:     20260320
             
             % 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.