Report for 263983

Name

AS263983 - CIT INFORMATICA, 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.

263983 AS263983 - CIT INFORMATICA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS28343         AS28343 - UNIFIQUE TELECOMUNICACOES S/A, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
41286 AS263983       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  AS263983 - CIT INFORMATICA, 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       %
14583 AS263983      AS263983 - CIT INFORMATICA, BR                     4      4      1      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  138.255.204.0/22     4608 7575 7195 28343 263983 + Announce - aggregate of 138.255.204.0/23 (4608 7575 7195 28343 263983) and 138.255.206.0/23 (4608 7575 7195 28343 263983)
  138.255.204.0/24     4608 7575 7195 28343 263983 - Withdrawn - aggregated with 138.255.205.0/24 (4608 7575 7195 28343 263983)
  138.255.205.0/24     4608 7575 7195 28343 263983 - Withdrawn - aggregated with 138.255.204.0/24 (4608 7575 7195 28343 263983)
  138.255.206.0/24     4608 7575 7195 28343 263983 - Withdrawn - aggregated with 138.255.207.0/24 (4608 7575 7195 28343 263983)
  138.255.207.0/24     4608 7575 7195 28343 263983 - Withdrawn - aggregated with 138.255.206.0/24 (4608 7575 7195 28343 263983)

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

AS263983   4 More Specifics   4 Total Advertisements   AS263983 - CIT INFORMATICA, BR
    138.255.204.0/24              138.255.204.0/22
    138.255.205.0/24              138.255.204.0/22
    138.255.206.0/24              138.255.204.0/22
    138.255.207.0/24              138.255.204.0/22

Whois Entry

whois: 402609

IANA has recorded AS263983 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263983\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.
             % 2026-06-11T08:26:06-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263983
             owner:       CIT INFORMATICA
             ownerid:     06.072.010/0001-19
             responsible: Helio Rohden
             country:     BR
             owner-c:     HEROH
             routing-c:   HEROH
             abuse-c:     HEROH
             created:     20150904
             changed:     20160310
             inetnum:     138.255.204.0/22
             inetnum:     2804:28d4::/32
             
             nic-hdl-br:  HEROH
             person:      HELIO ROHDEN
             e-mail:      heliorohden@gmail.com
             country:     BR
             created:     20150330
             changed:     20210420
             
             % 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.