Report for 263944

Name

FiberNet Telecomunicacoes, 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.

263944 FiberNet Telecomunicacoes, BR

  Adjacency:     3  Upstream:     1  Downstream:     2
  Upstream Adjacent AS list
    AS53062         ALT | GRUPO BRASIL TECPAR, BR
  Downstream Adjacent AS list
    AS265661        Fernando German Fischer FIBERNET TELECOM, AR
    AS267695        FLY NET S.R.L., AR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27187 AS263944       ORG+TRN Originate:       2048 /21.00  Transit:       1536 /21.42 FiberNet Telecomunicacoes, 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       %
19140 AS263944      FiberNet Telecomunicacoes, BR                      3      2      0      1      2  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  138.219.108.0/22     4777 2497 3356 53062 263944   
  138.219.108.0/23     4777 2497 3356 53062 263944 - Withdrawn - matching aggregate 138.219.108.0/22 4777 2497 3356 53062 263944
  138.219.110.0/23     4777 2497 3356 53062 263944 - Withdrawn - matching aggregate 138.219.108.0/22 4777 2497 3356 53062 263944

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

AS263944   2 More Specifics   3 Total Advertisements   FiberNet Telecomunicacoes, BR
    138.219.108.0/23              138.219.108.0/22
    138.219.110.0/23              138.219.108.0/22

Whois Entry

whois: 402332

IANA has recorded AS263944 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263944\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.
             % 2026-04-01T16:10:16-03:00 - 2401:2000:6660::13
             
             aut-num:     AS263944
             owner:       FiberNet Telecomunicacoes
             ownerid:     15.744.259/0001-14
             responsible: FiberNet Telecom
             country:     BR
             owner-c:     SLDSA78
             routing-c:   SLDSA78
             abuse-c:     SLDSA78
             created:     20150819
             changed:     20150819
             inetnum:     138.219.108.0/22
             inetnum:     2804:2828::/32
             
             nic-hdl-br:  SLDSA78
             person:      shirlei lima dos santos
             e-mail:      telecom@fibernet.net.br
             country:     BR
             created:     20120523
             changed:     20250312
             
             % 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.