Report for 270921

Name

AS270921 - CROSS CONNECT PROVEDOR, 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.

270921 AS270921 - CROSS CONNECT PROVEDOR, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13786         SEABORN - Seabras 1 USA, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28184 AS270921       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS270921 - CROSS CONNECT PROVEDOR, 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       %
29187 AS270921      AS270921 - CROSS CONNECT PROVEDOR, BR              3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  187.121.152.0/22     4777 2497 174 13786 270921   
  187.121.152.0/22     4608 7575 2914 13786 270921 + Announce - aggregate of 187.121.152.0/23 (4608 7575 2914 13786 270921) and 187.121.154.0/23 (4608 7575 2914 13786 270921)
  187.121.152.0/23     4608 7575 2914 13786 270921 - Withdrawn - aggregated with 187.121.154.0/23 (4608 7575 2914 13786 270921)
  187.121.154.0/23     4608 7575 2914 13786 270921 - Withdrawn - aggregated with 187.121.152.0/23 (4608 7575 2914 13786 270921)

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

AS270921   2 More Specifics   3 Total Advertisements   AS270921 - CROSS CONNECT PROVEDOR, BR
    187.121.152.0/23              187.121.152.0/22
    187.121.154.0/23              187.121.152.0/22

Whois Entry

whois: 402625

IANA has recorded AS270921 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS270921\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.
             % 2026-06-14T09:26:24-03:00 - 2401:2000:6660::13
             
             aut-num:     AS270921
             owner:       CROSS CONNECT PROVEDOR
             ownerid:     34.752.285/0001-39
             responsible: VINICIUS AKIHITO FEITOSA NAKAMURA
             country:     BR
             owner-c:     VAFNA7
             routing-c:   VAFNA7
             abuse-c:     VAFNA7
             created:     20200709
             changed:     20200709
             inetnum:     187.121.152.0/22
             inetnum:     2804:7388::/32
             
             nic-hdl-br:  VAFNA7
             person:      vinicius akihito feitosa nakamura
             e-mail:      vinicius.nakamura@outlook.com
             country:     BR
             created:     20100809
             changed:     20250225
             
             % 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.