Report for 52711

Name

AS52711 - FASTNET TELECOM, 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 AS6447) 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.

52711 FASTNET TELECOM, BR

  Adjacency:     6  Upstream:     3  Downstream:     3
  Upstream Adjacent AS list
    AS61568         ALOO TELECOM - FSF TECNOLOGIA SA, BR
    AS14840         BR.Digital Provider, BR
    AS52873         Softdados Telecomunicacoes, BR
  Downstream Adjacent AS list
    AS265351        INFOARTES TELECOM LTDA, BR
    AS262689        UNOUN INTERNET LTDA, BR
    AS271326        P3 SERVICOS DE TELECOMUNICACAO LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13326 AS52711        ORG+TRN Originate:       6656 /19.30  Transit:       2816 /20.54 FASTNET TELECOM, 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       %
 7624 AS52711       FASTNET TELECOM, BR                               13      8      2      7      6  46.15%


  Prefix               AS Path                              Aggregation Suggestion
  177.84.88.0/22       6939 3356 52873 52711   
  177.84.88.0/24       6939 3356 52873 52711 - Withdrawn - matching aggregate 177.84.88.0/22 6939 3356 52873 52711
  177.84.89.0/24       57866 3356 52873 52711   
  177.84.90.0/24       57866 3356 52873 52711   
  179.96.184.0/21      6939 14840 52711       
  179.96.184.0/22      6939 3356 52873 52711   
  179.96.184.0/22      6939 14840 52711     + Announce - aggregate of 179.96.184.0/23 (6939 14840 52711) and 179.96.186.0/23 (6939 14840 52711)
  179.96.184.0/24      6939 14840 52711     - Withdrawn - aggregated with 179.96.185.0/24 (6939 14840 52711)
  179.96.185.0/24      6939 14840 52711     - Withdrawn - aggregated with 179.96.184.0/24 (6939 14840 52711)
  179.96.186.0/24      6939 14840 52711     - Withdrawn - aggregated with 179.96.187.0/24 (6939 14840 52711)
  179.96.187.0/24      6939 14840 52711     - Withdrawn - aggregated with 179.96.186.0/24 (6939 14840 52711)
  179.96.188.0/23      6939 3356 52873 52711 + Announce - aggregate of 179.96.188.0/24 (6939 3356 52873 52711) and 179.96.189.0/24 (6939 3356 52873 52711)
  179.96.188.0/24      6939 3356 52873 52711 - Withdrawn - aggregated with 179.96.189.0/24 (6939 3356 52873 52711)
  179.96.189.0/24      6939 3356 52873 52711 - Withdrawn - aggregated with 179.96.188.0/24 (6939 3356 52873 52711)
  179.96.190.0/24      6939 14840 52711     - Withdrawn - matching aggregate 179.96.184.0/21 6939 14840 52711

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

AS52711   19 More Specifics   21 Total Advertisements   FASTNET TELECOM, BR
    177.84.88.0/23                177.84.88.0/22
    177.84.88.0/24                177.84.88.0/22
    177.84.89.0/24                177.84.88.0/22
    177.84.90.0/23                177.84.88.0/22
    177.84.90.0/24                177.84.88.0/22
    177.84.91.0/24                177.84.88.0/22
    179.96.184.0/22               179.96.184.0/21
    179.96.184.0/23               179.96.184.0/21
    179.96.184.0/24               179.96.184.0/21
    179.96.185.0/24               179.96.184.0/21
    179.96.186.0/23               179.96.184.0/21
    179.96.186.0/24               179.96.184.0/21
    179.96.187.0/24               179.96.184.0/21
    179.96.188.0/22               179.96.184.0/21
    179.96.188.0/23               179.96.184.0/21
    179.96.188.0/24               179.96.184.0/21
    179.96.189.0/24               179.96.184.0/21
    179.96.190.0/24               179.96.184.0/21
    179.96.191.0/24               179.96.184.0/21

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 177.84.90.0/24              Announced
    + 179.96.184.0/22             Announced
    + 179.96.184.0/23             Announced
    + 179.96.184.0/24             Announced
    + 179.96.186.0/23             Announced
    + 179.96.186.0/24             Announced
    + 179.96.188.0/22             Announced
    + 179.96.188.0/23             Announced
    + 179.96.188.0/24             Announced
    + 179.96.190.0/24             Announced
    + 179.96.191.0/24             Announced

Whois Entry

whois: 402603

IANA has recorded AS52711 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52711\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.
             % 2026-06-10T05:58:01-03:00 - 2401:2000:6660::13
             
             aut-num:     AS52711
             owner:       FASTNET TELECOM
             ownerid:     07.465.986/0001-14
             responsible: Paulo S�rgio Dantas
             country:     BR
             owner-c:     PASDA13
             routing-c:   PASDA13
             abuse-c:     DAPFR36
             created:     20130103
             changed:     20210922
             inetnum:     177.84.88.0/22
             inetnum:     179.96.184.0/21
             inetnum:     2804:1560::/32
             as-in:       from AS52873 100 accept ANY
             as-in:       from AS262689 100 accept ANY
             as-in:       from AS61568 100 accept ANY
             as-out:      to AS52873 announce AS52711
             as-out:      to AS262689 announce AS52711
             as-out:      to AS61568 announce AS52711 AS265351
             
             nic-hdl-br:  PASDA13
             person:      Paulo Sergio Dantas
             e-mail:      sergiodantas@fastnettelecom.com
             country:     BR
             created:     20121101
             changed:     20260411
             
             nic-hdl-br:  DAPFR36
             person:      Daniel Antonio Passos Franco
             e-mail:      danielfranco.dfx@gmail.com
             country:     BR
             created:     20170526
             changed:     20231227
             
             % 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.