Report for 271128

Name

FAST WEB, 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.

271128 FAST WEB, BR

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US
    AS265019        NEX TELECOM LTDA ME, BR
  Downstream Adjacent AS list
    AS268393        LINKTECH PROVEDOR DE INTERNET, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
28538 AS271128       ORG+TRN Originate:       2048 /21.00  Transit:        512 /23.00 FAST WEB, 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       %
29601 AS271128      FAST WEB, BR                                       3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  179.42.48.0/22       4777 2497 3356 265019 271128   
  179.42.48.0/22       4608 4826 6939 271128 + Announce - aggregate of 179.42.48.0/23 (4608 4826 6939 271128) and 179.42.50.0/23 (4608 4826 6939 271128)
  179.42.48.0/23       4608 4826 6939 271128 - Withdrawn - aggregated with 179.42.50.0/23 (4608 4826 6939 271128)
  179.42.50.0/23       4608 4826 6939 271128 - Withdrawn - aggregated with 179.42.48.0/23 (4608 4826 6939 271128)

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

AS271128   2 More Specifics   3 Total Advertisements   FAST WEB, BR
    179.42.48.0/23                179.42.48.0/22
    179.42.50.0/23                179.42.48.0/22

Whois Entry

whois: 402332

IANA has recorded AS271128 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271128\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.
             % 2026-03-30T18:34:16-03:00 - 2401:2000:6660::13
             
             aut-num:     AS271128
             owner:       FAST WEB
             ownerid:     13.012.762/0001-50
             responsible: Jackson da silva
             country:     BR
             owner-c:     JASIL820
             routing-c:   JASIL820
             abuse-c:     JASIL820
             created:     20200806
             changed:     20200806
             inetnum:     179.42.48.0/22
             inetnum:     2804:76b0::/32
             
             nic-hdl-br:  JASIL820
             person:      Jackson da silva
             e-mail:      jackson@fastinternettv.com
             country:     BR
             created:     20200727
             changed:     20250422
             
             % 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.