Report for 265146

Name

AS265146 - Biritinga Informatica 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.

265146 AS265146 - Biritinga Informatica LTDA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS262999        AS262999 - IVI TECNOLOGIA E COMUNICACAO LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27169 AS265146       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  AS265146 - Biritinga Informatica 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       %
14644 AS265146      AS265146 - Biritinga Informatica LTDA, BR          5      4      1      2      3  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  143.255.64.0/22      4777 6939 52320 7738 262999 262999 262999 265146   
  143.255.64.0/22      4777 2497 3356 52872 262999 262999 262999 265146 + Announce - aggregate of 143.255.64.0/23 (4777 2497 3356 52872 262999 262999 262999 265146) and 143.255.66.0/23 (4777 2497 3356 52872 262999 262999 262999 265146)
  143.255.64.0/24      4777 2497 3356 52872 262999 262999 262999 265146 - Withdrawn - aggregated with 143.255.65.0/24 (4777 2497 3356 52872 262999 262999 262999 265146)
  143.255.65.0/24      4777 2497 3356 52872 262999 262999 262999 265146 - Withdrawn - aggregated with 143.255.64.0/24 (4777 2497 3356 52872 262999 262999 262999 265146)
  143.255.66.0/24      4777 2497 3356 52872 262999 262999 262999 265146 - Withdrawn - aggregated with 143.255.67.0/24 (4777 2497 3356 52872 262999 262999 262999 265146)
  143.255.67.0/24      4777 2497 3356 52872 262999 262999 262999 265146 - Withdrawn - aggregated with 143.255.66.0/24 (4777 2497 3356 52872 262999 262999 262999 265146)

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

AS265146   4 More Specifics   5 Total Advertisements   AS265146 - Biritinga Informatica LTDA, BR
    143.255.64.0/24               143.255.64.0/22
    143.255.65.0/24               143.255.64.0/22
    143.255.66.0/24               143.255.64.0/22
    143.255.67.0/24               143.255.64.0/22

Whois Entry

whois: 402617

IANA has recorded AS265146 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS265146\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.
             % 2026-06-13T13:50:03-03:00 - 2401:2000:6660::13
             
             aut-num:     AS265146
             owner:       Biritinga Informatica LTDA
             ownerid:     10.542.161/0001-60
             responsible: Daniel Cerqueira do Nascimento
             country:     BR
             owner-c:     DACER9
             routing-c:   DACER9
             abuse-c:     DACER9
             created:     20151116
             changed:     20151116
             inetnum:     143.255.64.0/22
             inetnum:     2804:2b50::/32
             
             nic-hdl-br:  DACER9
             person:      Daniel Cerqueira
             e-mail:      daniel.biritinga@hotmail.com
             country:     BR
             created:     20090102
             changed:     20250429
             
             % 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.