Report for 396021

Name

COMCAST-MES - Comcast Cable Communications, LLC, US

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.

396021 COMCAST-MES - Comcast Cable Communications, LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33491         COMCAST-33491 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34797 AS396021       ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  COMCAST-MES - Comcast Cable Communications, LLC, US

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       %
74867 AS396021      COMCAST-MES - Comcast Cable Communications, L      4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.171.218.0/24      4777 2516 7922 33491 396021   
  50.216.94.0/24       4777 2516 7922 33491 396021   
  50.225.249.0/24      4777 2516 7922 33491 396021   
  50.227.252.0/23      4777 2516 7922 33491 396021   

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

AS396021   4 More Specifics   4 Total Advertisements   COMCAST-MES - Comcast Cable Communications, LLC, US
    50.171.218.0/24               50.128.0.0/9
    50.216.94.0/24                50.128.0.0/9
    50.225.249.0/24               50.128.0.0/9
    50.227.252.0/23               50.128.0.0/9

Whois Entry

whois: 402332

IANA has recorded AS396021 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS396021\n