Report for 20743

Name

SWX - SIX Swiss Exchange AG, CH

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.

20743 SWX - SIX Swiss Exchange AG, CH

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3303          SWISSCOM - Swisscom (Schweiz) AG, CH
    AS6730          SUNRISE - Sunrise GmbH, CH

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10916 AS20743        ORIGIN  Originate:       8960 /18.87  Transit:          0 /0.00  SWX - SIX Swiss Exchange AG, CH

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       %
21126 AS20743       SWX - SIX Swiss Exchange AG, CH                    4      1      0      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  146.109.145.0/24     4608 3303 20743        
  146.109.153.0/24     4777 2516 6830 6730 20743   
  146.109.160.0/19     4608 3303 20743        
  146.109.161.0/24     4608 3303 20743      - Withdrawn - matching aggregate 146.109.160.0/19 4608 3303 20743

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

AS20743   4 More Specifics   4 Total Advertisements   SWX - SIX Swiss Exchange AG, CH
    146.109.145.0/24              146.109.0.0/16
    146.109.153.0/24              146.109.0.0/16
    146.109.160.0/19              146.109.0.0/16
    146.109.161.0/24              146.109.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS20743 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20743\n