Report for 15957

Name

--No AS Description--

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 AS4637) 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.

15957 hyperlink-interactive

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356    LEVEL3 Level 3 Communications

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7329  AS15957  ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  hyperlink-interactive

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       %
 5106 AS15957 hyperlink-interactive                         2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  212.28.0.0/19        4637 3356 15957      + Announce - aggregate of 212.28.0.0/20 (4637 3356 15957) and 212.28.16.0/20 (4637 3356 15957)
  212.28.0.0/20        4637 3356 15957      - Withdrawn - aggregated with 212.28.16.0/20 (4637 3356 15957)
  212.28.16.0/20       4637 3356 15957      - Withdrawn - aggregated with 212.28.0.0/20 (4637 3356 15957)

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

AS15957   2 More Specifics   2 Total Advertisements   hyperlink-interactive
    212.28.0.0/20                 212.28.0.0/19
    212.28.16.0/20                212.28.0.0/19

Whois Entry

whois: 402603

IANA has recorded AS15957 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15957\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             % Note: this output has been filtered.
             
             % Information related to 'AS15835 - AS15963'
             
             as-block:       AS15835 - AS15963
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2018-11-22T15:27:25Z
             last-modified:  2018-11-22T15:27:25Z
             source:         RIPE
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)