Report for 273378

Name

AS273378 - CIRCULA NET 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.

273378 AS273378 - CIRCULA NET LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS14840         AS14840 - BR.Digital Telecom, BR
    AS53062         AS53062 - ALT  GRUPO BRASIL TECPAR, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
31992 AS273378       ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  AS273378 - CIRCULA NET 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       %
19997 AS273378      AS273378 - CIRCULA NET LTDA, BR                    5      4      2      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  187.109.124.0/23     4777 2516 6762 14840 273378 273378   
  187.109.124.0/23     4777 2516 6762 53062 273378 273378 273378 + Announce - aggregate of 187.109.124.0/24 (4777 2516 6762 53062 273378 273378 273378) and 187.109.125.0/24 (4777 2516 6762 53062 273378 273378 273378)
  187.109.124.0/24     4777 2516 6762 53062 273378 273378 273378 - Withdrawn - aggregated with 187.109.125.0/24 (4777 2516 6762 53062 273378 273378 273378)
  187.109.125.0/24     4777 2516 6762 53062 273378 273378 273378 - Withdrawn - aggregated with 187.109.124.0/24 (4777 2516 6762 53062 273378 273378 273378)
  187.109.126.0/23     4777 2516 6762 14840 273378 273378 + Announce - aggregate of 187.109.126.0/24 (4777 2516 6762 14840 273378 273378) and 187.109.127.0/24 (4777 2516 6762 14840 273378 273378)
  187.109.126.0/24     4777 2516 6762 14840 273378 273378 - Withdrawn - aggregated with 187.109.127.0/24 (4777 2516 6762 14840 273378 273378)
  187.109.127.0/24     4777 2516 6762 14840 273378 273378 - Withdrawn - aggregated with 187.109.126.0/24 (4777 2516 6762 14840 273378 273378)

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

AS273378   5 More Specifics   5 Total Advertisements   AS273378 - CIRCULA NET LTDA, BR
    187.109.124.0/23              187.109.124.0/22
    187.109.124.0/24              187.109.124.0/22
    187.109.125.0/24              187.109.124.0/22
    187.109.126.0/24              187.109.124.0/22
    187.109.127.0/24              187.109.124.0/22

Whois Entry

whois: 402625

IANA has recorded AS273378 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS273378\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.
             % 2026-06-14T10:46:34-03:00 - 2401:2000:6660::13
             
             aut-num:     AS273378
             owner:       CIRCULA NET LTDA
             ownerid:     46.564.668/0001-62
             responsible: LOURIVALDO MATIAS DA SILVA
             country:     BR
             owner-c:     LOMAT58
             routing-c:   LOMAT58
             abuse-c:     LOMAT58
             created:     20231101
             changed:     20231101
             inetnum:     2804:8dc0::/32
             inetnum:     187.109.124.0/22
             
             nic-hdl-br:  LOMAT58
             person:      lourivaldo matias
             e-mail:      lourivaldomatias@circulanet.com
             country:     BR
             created:     20230802
             changed:     20230802
             
             % 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.