Report for 15639

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.

15639 uk.diexnet AS for London UK

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS20520   CENTRIC-ACC Centric Telecom Ltd is a

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7309  AS15639  ORIGIN  Originate:       8192 /19.00  Transit:          0 /0.00  uk.diexnet AS for London UK

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       %
 5088 AS15639 uk.diexnet AS for London UK                   2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  213.166.64.0/19      4637 6461 20520 15639 + Announce - aggregate of 213.166.64.0/20 (4637 6461 20520 15639) and 213.166.80.0/20 (4637 6461 20520 15639)
  213.166.64.0/20      4637 6461 20520 15639 - Withdrawn - aggregated with 213.166.80.0/20 (4637 6461 20520 15639)
  213.166.80.0/20      4637 6461 20520 15639 - Withdrawn - aggregated with 213.166.64.0/20 (4637 6461 20520 15639)

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

AS15639   2 More Specifics   2 Total Advertisements   uk.diexnet AS for London UK
    213.166.64.0/20               213.166.64.0/19
    213.166.80.0/20               213.166.64.0/19

Whois Entry

whois: 402603

IANA has recorded AS15639 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15639\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 'AS15476 - AS15705'
             
             as-block:       AS15476 - AS15705
             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)