Report for 52711

Name

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 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.

52711 FASTNET TELECOM, BR

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS52873         Softdados Telecomunicacoes, BR
    AS14840         BR.Digital Telecom, BR
    AS61568         ALOO TELECOM - FSF TECNOLOGIA SA, BR
  Downstream Adjacent AS list
    AS265351        INFOARTES TELECOM LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13374 AS52711        ORG+TRN Originate:       6400 /19.36  Transit:       2048 /21.00 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       %
 7307 AS52711       FASTNET TELECOM, BR                               12      7      1      6      6  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  177.84.88.0/22       4777 2497 3356 52873 52711   
  177.84.88.0/24       4777 2497 3356 52873 52711 - Withdrawn - matching aggregate 177.84.88.0/22 4777 2497 3356 52873 52711
  177.84.89.0/24       4777 2497 3356 52873 52711 - Withdrawn - matching aggregate 177.84.88.0/22 4777 2497 3356 52873 52711
  177.84.90.0/24       4777 2497 3356 52873 52711 - Withdrawn - matching aggregate 177.84.88.0/22 4777 2497 3356 52873 52711
  179.96.184.0/21      4777 2516 6762 14840 52711   
  179.96.184.0/22      4777 2497 3356 52873 52711   
  179.96.184.0/23      4777 2516 6762 14840 52711 + Announce - aggregate of 179.96.184.0/24 (4777 2516 6762 14840 52711) and 179.96.185.0/24 (4777 2516 6762 14840 52711)
  179.96.184.0/24      4777 2516 6762 14840 52711 - Withdrawn - aggregated with 179.96.185.0/24 (4777 2516 6762 14840 52711)
  179.96.185.0/24      4777 2516 6762 14840 52711 - Withdrawn - aggregated with 179.96.184.0/24 (4777 2516 6762 14840 52711)
  179.96.186.0/24      4777 2497 3356 52873 52711 - Withdrawn - matching aggregate 179.96.184.0/22 4777 2497 3356 52873 52711
  179.96.187.0/24      4777 2516 6762 14840 52711   
  179.96.188.0/24      4777 2497 3356 52873 52711   
  179.96.190.0/24      4777 2516 6762 14840 52711 - Withdrawn - matching aggregate 179.96.184.0/21 4777 2516 6762 14840 52711

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

AS52711   10 More Specifics   12 Total Advertisements   FASTNET TELECOM, BR
    177.84.88.0/24                177.84.88.0/22
    177.84.89.0/24                177.84.88.0/22
    177.84.90.0/24                177.84.88.0/22
    179.96.184.0/22               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
    179.96.186.0/24               179.96.184.0/21
    179.96.187.0/24               179.96.184.0/21
    179.96.188.0/24               179.96.184.0/21
    179.96.190.0/24               179.96.184.0/21

Whois Entry

whois: 402332

IANA has recorded AS52711 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52711\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded