Report for 271128

Name

AS271128 - 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 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.

271128 FAST WEB, BR

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS6939          HURRICANE, US
    AS52872         VOANET Telecomunicacoes Ltda., BR
    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
28622 AS271128       ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  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       %
29426 AS271128      FAST WEB, BR                                       3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  179.42.48.0/22       3303 3356 265019 271128   
  179.42.48.0/22       6939 271128          + Announce - aggregate of 179.42.48.0/23 (6939 271128) and 179.42.50.0/23 (6939 271128)
  179.42.48.0/23       6939 271128          - Withdrawn - aggregated with 179.42.50.0/23 (6939 271128)
  179.42.50.0/23       6939 271128          - Withdrawn - aggregated with 179.42.48.0/23 (6939 271128)

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

AS271128   1 More Specifics   2 Total Advertisements   FAST WEB, BR
    179.42.48.0/23                179.42.48.0/22

Whois Entry

whois: 402551

IANA has recorded AS271128 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS271128\n