Report for 21239

Name

DNS-Belgium - DNS-Belgium VZW, BE

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.

21239 DNS-Belgium - DNS-Belgium VZW, BE

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS16509         AMAZON-02 - Amazon.com, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44558 AS21239        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  DNS-Belgium - DNS-Belgium VZW, BE

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       %
21382 AS21239       DNS-Belgium - DNS-Belgium VZW, BE                  3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  193.109.126.0/24     4777 2497 16509 21239   
  195.22.138.0/23      4777 2497 16509 21239 + Announce - aggregate of 195.22.138.0/24 (4777 2497 16509 21239) and 195.22.139.0/24 (4777 2497 16509 21239)
  195.22.138.0/24      4777 2497 16509 21239 - Withdrawn - aggregated with 195.22.139.0/24 (4777 2497 16509 21239)
  195.22.139.0/24      4777 2497 16509 21239 - Withdrawn - aggregated with 195.22.138.0/24 (4777 2497 16509 21239)

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

AS21239   2 More Specifics   3 Total Advertisements   DNS-Belgium - DNS-Belgium VZW, BE
    195.22.138.0/24               195.22.138.0/23
    195.22.139.0/24               195.22.138.0/23

Whois Entry

whois: 402628

IANA has recorded AS21239 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21239\n