Report for 11396

Name

TWC-ASN - Williams Information Technology 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.

11396 TWC-ASN - Williams Information Technology LLC, US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS35280         F5 - F5 Networks SARL, FR
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
    AS33287         COMCAST-33287 - Comcast Cable Communications, LLC, US
    AS33490         COMCAST-33490 - Comcast Cable Communications, LLC, US
    AS33660         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4561  AS11396        ORIGIN  Originate:      44544 /16.56  Transit:          0 /0.00  TWC-ASN - Williams Information Technology 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       %
 8286 AS11396       TWC-ASN - Williams Information Technology LLC     23      9      4     18      5  21.74%


  Prefix               AS Path                              Aggregation Suggestion
  151.142.64.0/24      4777 2516 7922 33490 11396   
  151.142.65.0/24      4777 2516 7922 33660 11396   
  151.142.66.0/24      4777 2516 7922 33490 11396   
  151.142.68.0/24      4777 2516 7922 33287 11396   
  151.142.69.0/24      4777 2497 3356 11396   
  151.142.70.0/24      4777 2497 3356 11396   
  151.142.71.0/24      4777 2516 3356 11396   
  151.142.128.0/19     4777 2516 7922 11396 11396 11396 11396 11396   
  151.142.128.0/19     4777 2516 3356 11396 11396 11396 11396 11396 + Announce - aggregate of 151.142.128.0/20 (4777 2516 3356 11396 11396 11396 11396 11396) and 151.142.144.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.128.0/20     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.144.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.132.0/24     4608 24115 35280 11396   
  151.142.144.0/20     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.128.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.154.0/24     4777 2516 7922 11396 11396 11396 11396 11396   
  151.142.155.0/24     4777 2497 3356 11396 11396 11396 11396 11396   
  151.142.160.0/20     4777 2516 7922 11396 11396 11396 11396 11396   
  151.142.160.0/20     4777 2516 3356 11396 11396 11396 11396 11396 + Announce - aggregate of 151.142.160.0/21 (4777 2516 3356 11396 11396 11396 11396 11396) and 151.142.168.0/21 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.160.0/21     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.168.0/21 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.168.0/21     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.160.0/21 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.224.0/19     4777 2516 7922 11396 11396 11396 11396 11396   
  151.142.224.0/19     4777 2516 3356 11396 11396 11396 11396 11396 + Announce - aggregate of 151.142.224.0/20 (4777 2516 3356 11396 11396 11396 11396 11396) and 151.142.240.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.224.0/20     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.240.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.240.0/20     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 151.142.224.0/20 (4777 2516 3356 11396 11396 11396 11396 11396)
  151.142.250.0/24     4777 2516 3356 11396 11396 11396 11396 11396 - Withdrawn - matching aggregate 151.142.240.0/20 4777 2516 3356 11396 11396 11396 11396 11396
  151.142.251.0/24     4777 2516 7922 11396 11396 11396 11396 11396   
  170.21.246.0/23      4777 2516 7922 11396 11396 11396 11396 11396 + Announce - aggregate of 170.21.246.0/24 (4777 2516 7922 11396 11396 11396 11396 11396) and 170.21.247.0/24 (4777 2516 7922 11396 11396 11396 11396 11396)
  170.21.246.0/24      4777 2516 7922 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 170.21.247.0/24 (4777 2516 7922 11396 11396 11396 11396 11396)
  170.21.247.0/24      4777 2516 7922 11396 11396 11396 11396 11396 - Withdrawn - aggregated with 170.21.246.0/24 (4777 2516 7922 11396 11396 11396 11396 11396)

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

AS11396   23 More Specifics   23 Total Advertisements   TWC-ASN - Williams Information Technology LLC, US
    151.142.64.0/24               151.142.0.0/16
    151.142.65.0/24               151.142.0.0/16
    151.142.66.0/24               151.142.0.0/16
    151.142.68.0/24               151.142.0.0/16
    151.142.69.0/24               151.142.0.0/16
    151.142.70.0/24               151.142.0.0/16
    151.142.71.0/24               151.142.0.0/16
    151.142.128.0/19              151.142.0.0/16
    151.142.128.0/20              151.142.0.0/16
    151.142.132.0/24              151.142.0.0/16
    151.142.144.0/20              151.142.0.0/16
    151.142.154.0/24              151.142.0.0/16
    151.142.155.0/24              151.142.0.0/16
    151.142.160.0/20              151.142.0.0/16
    151.142.160.0/21              151.142.0.0/16
    151.142.168.0/21              151.142.0.0/16
    151.142.224.0/19              151.142.0.0/16
    151.142.224.0/20              151.142.0.0/16
    151.142.240.0/20              151.142.0.0/16
    151.142.250.0/24              151.142.0.0/16
    151.142.251.0/24              151.142.0.0/16
    170.21.246.0/24               170.21.0.0/16
    170.21.247.0/24               170.21.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS11396 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11396\n