Report for 209137

Name

Springo - Springo Srl, IT

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.

209137 Springo - Springo Srl, IT

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS12874         FASTWEB - Fastweb SpA, IT

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
17758 AS209137       ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  Springo - Springo Srl, IT

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       %
18689 AS209137      Springo - Springo Srl, IT                          6      2      0      4      2  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  5.180.168.0/22       4777 2497 174 209137   
  5.180.168.0/23       4777 2497 174 209137 - Withdrawn - matching aggregate 5.180.168.0/22 4777 2497 174 209137
  5.180.170.0/23       4608 7575 3303 12874 209137   
  185.170.136.0/22     4777 2497 174 209137   
  185.170.136.0/23     4777 2497 174 209137 - Withdrawn - matching aggregate 185.170.136.0/22 4777 2497 174 209137
  185.170.138.0/23     4608 7575 3303 12874 209137   

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

AS209137   4 More Specifics   6 Total Advertisements   Springo - Springo Srl, IT
    5.180.168.0/23                5.180.168.0/22
    5.180.170.0/23                5.180.168.0/22
    185.170.136.0/23              185.170.136.0/22
    185.170.138.0/23              185.170.136.0/22

Whois Entry

whois: 402609

IANA has recorded AS209137 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS209137\n