Report for 57173

Name

TERSEDIA, 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.

57173 TERSEDIA, FR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
33083 AS57173        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  TERSEDIA, 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       %
23529 AS57173       TERSEDIA, FR                                       5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  87.247.224.0/24      4777 2516 174 57173    
  87.247.226.0/24      4777 2516 174 57173    
  87.247.230.0/23      4777 2516 174 57173  + Announce - aggregate of 87.247.230.0/24 (4777 2516 174 57173) and 87.247.231.0/24 (4777 2516 174 57173)
  87.247.230.0/24      4777 2516 174 57173  - Withdrawn - aggregated with 87.247.231.0/24 (4777 2516 174 57173)
  87.247.231.0/24      4777 2516 174 57173  - Withdrawn - aggregated with 87.247.230.0/24 (4777 2516 174 57173)
  185.197.100.0/24     4777 2516 174 57173    

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

AS57173   5 More Specifics   5 Total Advertisements   TERSEDIA, FR
    87.247.224.0/24               87.247.224.0/21
    87.247.226.0/24               87.247.224.0/21
    87.247.230.0/24               87.247.224.0/21
    87.247.231.0/24               87.247.224.0/21
    185.197.100.0/24              185.197.100.0/22

Whois Entry

whois: 402332

IANA has recorded AS57173 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS57173\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)