Report for 263103

Name

AS263103 - VivaNet 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.

263103 AS263103 - VivaNet Informatica - LTDA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS263276        AS263276 - BBG TELECOM LTDA, BR
    AS52965         AS52965 - 1TELECOM SERVICOS DE TECNOLOGIA EM INTERNET LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13260 AS263103       ORIGIN  Originate:       6656 /19.30  Transit:          0 /0.00  AS263103 - VivaNet 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       %
 9226 AS263103      AS263103 - VivaNet Informatica - LTDA, BR         11      7      2      6      5  45.45%


  Prefix               AS Path                              Aggregation Suggestion
  186.235.240.0/21     4777 2516 6762 26615 52965 263103   
  186.235.240.0/21     4777 2497 3356 263276 263103 + Announce - aggregate of 186.235.240.0/22 (4777 2497 3356 263276 263103) and 186.235.244.0/22 (4777 2497 3356 263276 263103)
  186.235.240.0/22     4777 2497 3356 263276 263103 - Withdrawn - aggregated with 186.235.244.0/22 (4777 2497 3356 263276 263103)
  186.235.240.0/24     4777 2497 3356 263276 263103 263103   
  186.235.242.0/23     4777 2497 3356 263276 263103 - Withdrawn - matching aggregate 186.235.240.0/22 4777 2497 3356 263276 263103
  186.235.242.0/23     4777 2516 6762 26615 52965 263103 + Announce - aggregate of 186.235.242.0/24 (4777 2516 6762 26615 52965 263103) and 186.235.243.0/24 (4777 2516 6762 26615 52965 263103)
  186.235.242.0/24     4777 2516 6762 26615 52965 263103 - Withdrawn - aggregated with 186.235.243.0/24 (4777 2516 6762 26615 52965 263103)
  186.235.243.0/24     4777 2516 6762 26615 52965 263103 - Withdrawn - aggregated with 186.235.242.0/24 (4777 2516 6762 26615 52965 263103)
  186.235.244.0/22     4777 2497 3356 263276 263103 - Withdrawn - aggregated with 186.235.240.0/22 (4777 2497 3356 263276 263103)
  186.235.244.0/23     4777 2497 3356 263276 263103 - Withdrawn - matching aggregate 186.235.244.0/22 4777 2497 3356 263276 263103
  186.235.244.0/24     4777 2516 6762 26615 52965 263103   
  186.235.245.0/24     4777 2497 3356 263276 263103 - Withdrawn - matching aggregate 186.235.244.0/22 4777 2497 3356 263276 263103
  186.235.247.0/24     4777 2516 6762 26615 52965 263103   

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

AS263103   10 More Specifics   11 Total Advertisements   AS263103 - VivaNet Informatica - LTDA, BR
    186.235.240.0/22              186.235.240.0/21
    186.235.240.0/24              186.235.240.0/21
    186.235.242.0/23              186.235.240.0/21
    186.235.242.0/24              186.235.240.0/21
    186.235.243.0/24              186.235.240.0/21
    186.235.244.0/22              186.235.240.0/21
    186.235.244.0/23              186.235.240.0/21
    186.235.244.0/24              186.235.240.0/21
    186.235.245.0/24              186.235.240.0/21
    186.235.247.0/24              186.235.240.0/21

Whois Entry

whois: 402617

IANA has recorded AS263103 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263103\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.
             % 2026-06-13T16:00:12-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263103
             owner:       VivaNet Informatica - LTDA
             ownerid:     11.416.729/0001-60
             responsible: Thiago Lyra
             country:     BR
             owner-c:     TLGLY
             routing-c:   TLGLY
             abuse-c:     TLGLY
             created:     20120502
             changed:     20170307
             inetnum:     186.235.240.0/21
             inetnum:     2804:4c24::/32
             as-in:       from AS262537 100 accept ANY
             as-out:      to AS262537 announce AS263103
             
             nic-hdl-br:  TLGLY
             person:      Thiago Lins Gomes de Lyra
             e-mail:      contato@vivanet.net.br
             country:     BR
             created:     20080430
             changed:     20240226
             
             % 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.