Report for 266546

Name

TWF NET PROVEDOR DE INTERNET 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.

266546 TWF NET PROVEDOR DE INTERNET LTDA, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS53062         ALT | GRUPO BRASIL TECPAR, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
27392 AS266546       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  TWF NET PROVEDOR DE INTERNET 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       %
 9153 AS266546      TWF NET PROVEDOR DE INTERNET LTDA, BR              6      6      1      1      5  83.33%


  Prefix               AS Path                              Aggregation Suggestion
  160.238.196.0/22     4777 2516 6762 26615 53062 266546 + Announce - aggregate of 160.238.196.0/23 (4777 2516 6762 26615 53062 266546) and 160.238.198.0/23 (4777 2516 6762 26615 53062 266546)
  160.238.196.0/23     4777 2516 6762 26615 53062 266546 - Withdrawn - aggregated with 160.238.198.0/23 (4777 2516 6762 26615 53062 266546)
  160.238.196.0/24     4777 2516 6762 26615 53062 266546 - Withdrawn - matching aggregate 160.238.196.0/23 4777 2516 6762 26615 53062 266546
  160.238.197.0/24     4777 2516 6762 26615 53062 266546 - Withdrawn - matching aggregate 160.238.196.0/23 4777 2516 6762 26615 53062 266546
  160.238.198.0/23     4777 2516 6762 26615 53062 266546 - Withdrawn - aggregated with 160.238.196.0/23 (4777 2516 6762 26615 53062 266546)
  160.238.198.0/24     4777 2516 6762 26615 53062 266546 - Withdrawn - matching aggregate 160.238.198.0/23 4777 2516 6762 26615 53062 266546
  160.238.199.0/24     4777 2516 6762 26615 53062 266546 - Withdrawn - matching aggregate 160.238.198.0/23 4777 2516 6762 26615 53062 266546

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

AS266546   6 More Specifics   6 Total Advertisements   TWF NET PROVEDOR DE INTERNET LTDA, BR
    160.238.196.0/23              160.238.196.0/22
    160.238.196.0/24              160.238.196.0/22
    160.238.197.0/24              160.238.196.0/22
    160.238.198.0/23              160.238.196.0/22
    160.238.198.0/24              160.238.196.0/22
    160.238.199.0/24              160.238.196.0/22

Whois Entry

whois: 402332

IANA has recorded AS266546 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS266546\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.
             % 2026-05-13T14:14:10-03:00 - 2401:2000:6660::13
             
             aut-num:     AS266546
             owner:       TWF NET PROVEDOR DE INTERNET LTDA
             ownerid:     26.578.190/0001-12
             responsible: Gr�gory H. Ebertz
             country:     BR
             owner-c:     GRE23
             routing-c:   GRE23
             abuse-c:     GRE23
             created:     20170512
             changed:     20210205
             inetnum:     160.238.196.0/22
             inetnum:     2804:3dac::/32
             as-in:       from AS53062 100 accept ANY
             as-out:      to AS53062 announce AS266546
             
             nic-hdl-br:  GRE23
             person:      Gr�gory Ebertz
             e-mail:      contato@twf.net.br
             country:     BR
             created:     20031220
             changed:     20260401
             
             % 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.