Report for 274387

Name

AS274387 - MASTERLINK TELECOM 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.

274387 AS274387 - MASTERLINK TELECOM LTDA-ME, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS263456        AS263456 - MKNETWORK TELECOM LTDA ME, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57102 AS274387       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  AS274387 - MASTERLINK TELECOM 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       %
29499 AS274387      AS274387 - MASTERLINK TELECOM LTDA-ME, BR          2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  138.0.84.0/23        4608 7575 7195 23106 263456 274387 + Announce - aggregate of 138.0.84.0/24 (4608 7575 7195 23106 263456 274387) and 138.0.85.0/24 (4608 7575 7195 23106 263456 274387)
  138.0.84.0/24        4608 7575 7195 23106 263456 274387 - Withdrawn - aggregated with 138.0.85.0/24 (4608 7575 7195 23106 263456 274387)
  138.0.85.0/24        4608 7575 7195 23106 263456 274387 - Withdrawn - aggregated with 138.0.84.0/24 (4608 7575 7195 23106 263456 274387)

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

AS274387   2 More Specifics   2 Total Advertisements   AS274387 - MASTERLINK TELECOM LTDA-ME, BR
    138.0.84.0/24                 138.0.84.0/23
    138.0.85.0/24                 138.0.84.0/23

Whois Entry

whois: 402617

IANA has recorded AS274387 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS274387\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.
             % 2026-06-13T14:40:04-03:00 - 2401:2000:6660::13
             
             aut-num:     AS274387
             owner:       MASTERLINK TELECOM LTDA-ME
             ownerid:     21.192.305/0001-12
             responsible: Geraldo Magela de Oliveira
             country:     BR
             owner-c:     URPMA6
             routing-c:   URPMA6
             abuse-c:     URPMA6
             created:     20251212
             changed:     20251212
             inetnum:     2804:9724::/32
             inetnum:     138.0.84.0/23
             
             nic-hdl-br:  URPMA6
             person:      URSULA PAULINE MACIEL
             e-mail:      paulinymaciel@gmail.com
             country:     BR
             created:     20251017
             changed:     20251105
             
             % 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.