Report for 51588

Name

SESAN, FR

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.

51588 SESAN, FR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS29075         IELO IELO Main Network, FR
    AS8218          NEO-ASN Zayo Europe, FR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21519 AS51588        ORIGIN  Originate:       2816 /20.54  Transit:          0 /0.00  SESAN, FR

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       %
10235 AS51588       SESAN, FR                                          6      5      1      2      4  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  194.56.92.0/22       4777 2497 174 29075 51588   
  194.56.92.0/22       4777 2497 6461 8218 51588 + Announce - aggregate of 194.56.92.0/23 (4777 2497 6461 8218 51588) and 194.56.94.0/23 (4777 2497 6461 8218 51588)
  194.56.92.0/23       4777 2497 6461 8218 51588 - Withdrawn - aggregated with 194.56.94.0/23 (4777 2497 6461 8218 51588)
  194.56.92.0/24       4777 2497 6461 8218 51588 - Withdrawn - matching aggregate 194.56.92.0/23 4777 2497 6461 8218 51588
  194.56.94.0/23       4777 2497 6461 8218 51588 - Withdrawn - aggregated with 194.56.92.0/23 (4777 2497 6461 8218 51588)
  194.56.94.0/24       4777 2497 6461 8218 51588 - Withdrawn - matching aggregate 194.56.94.0/23 4777 2497 6461 8218 51588
  194.56.95.0/24       4777 2497 6461 8218 51588 - Withdrawn - matching aggregate 194.56.94.0/23 4777 2497 6461 8218 51588

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

AS51588   5 More Specifics   6 Total Advertisements   SESAN, FR
    194.56.92.0/23                194.56.92.0/22
    194.56.92.0/24                194.56.92.0/22
    194.56.94.0/23                194.56.92.0/22
    194.56.94.0/24                194.56.92.0/22
    194.56.95.0/24                194.56.92.0/22

Whois Entry

whois: 402332

IANA has recorded AS51588 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS51588\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)