Report for 6109

Name

NDCHEALTH - NDCHealth Corporation, 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.

6109 NDCHEALTH - NDCHealth Corporation, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14242 AS6109         ORIGIN  Originate:       5632 /19.54  Transit:          0 /0.00  NDCHEALTH - NDCHealth Corporation, 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       %
11927 AS6109        NDCHEALTH - NDCHealth Corporation, US             20      4      1     17      3  15.00%


  Prefix               AS Path                              Aggregation Suggestion
  63.175.205.0/24      4777 2497 7018 6109    
  206.227.192.0/22     4777 2497 174 6109   + Announce - aggregate of 206.227.192.0/23 (4777 2497 174 6109) and 206.227.194.0/23 (4777 2497 174 6109)
  206.227.192.0/24     4777 2497 174 6109   - Withdrawn - aggregated with 206.227.193.0/24 (4777 2497 174 6109)
  206.227.193.0/24     4777 2497 174 6109   - Withdrawn - aggregated with 206.227.192.0/24 (4777 2497 174 6109)
  206.227.194.0/24     4777 2497 174 6109   - Withdrawn - aggregated with 206.227.195.0/24 (4777 2497 174 6109)
  206.227.195.0/24     4777 2497 174 6109   - Withdrawn - aggregated with 206.227.194.0/24 (4777 2497 174 6109)
  206.227.196.0/24     4777 2497 174 6109     
  206.227.199.0/24     4777 2497 174 6109     
  206.227.200.0/24     4777 2497 174 6109     
  206.227.205.0/24     4777 2497 7018 6109    
  206.227.206.0/24     4777 2497 7018 6109    
  206.227.208.0/24     4777 2497 7018 6109    
  206.227.209.0/24     4777 2497 174 6109     
  206.227.210.0/24     4777 2497 174 6109     
  206.227.211.0/24     4777 2516 701 6109     
  206.227.216.0/23     4777 2497 7018 6109    
  206.227.220.0/23     4777 2497 174 6109     
  206.227.223.0/24     4777 2497 174 6109     
  206.227.226.0/24     4777 2516 174 6109     
  206.227.233.0/24     4777 2497 174 6109     
  206.227.235.0/24     4777 2497 174 6109     

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

AS6109   20 More Specifics   20 Total Advertisements   NDCHEALTH - NDCHealth Corporation, US
    63.175.205.0/24               63.160.0.0/12
    206.227.192.0/24              206.227.192.0/18
    206.227.193.0/24              206.227.192.0/18
    206.227.194.0/24              206.227.192.0/18
    206.227.195.0/24              206.227.192.0/18
    206.227.196.0/24              206.227.192.0/18
    206.227.199.0/24              206.227.192.0/18
    206.227.200.0/24              206.227.192.0/18
    206.227.205.0/24              206.227.192.0/18
    206.227.206.0/24              206.227.192.0/18
    206.227.208.0/24              206.227.192.0/18
    206.227.209.0/24              206.227.192.0/18
    206.227.210.0/24              206.227.192.0/18
    206.227.211.0/24              206.227.192.0/18
    206.227.216.0/23              206.227.192.0/18
    206.227.220.0/23              206.227.192.0/18
    206.227.223.0/24              206.227.192.0/18
    206.227.226.0/24              206.227.192.0/18
    206.227.233.0/24              206.227.192.0/18
    206.227.235.0/24              206.227.192.0/18

Whois Entry

whois: 402628

IANA has recorded AS6109 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS6109\n