Report for 199569

Name

Cognizant-EU-AS - Cognizant Worldwide Limited, GB

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.

199569 Cognizant-EU-AS - Cognizant Worldwide Limited, GB

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
  Downstream Adjacent AS list
    AS17903         COGNIZANT-IN-AP - Cognizant Technology Solutions India Pvt Ltd,INN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
39408 AS199569       ORG+TRN Originate:       1024 /22.00  Transit:        512 /23.00 Cognizant-EU-AS - Cognizant Worldwide Limited, GB

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       %
26861 AS199569      Cognizant-EU-AS - Cognizant Worldwide Limited      2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.9.172.0/22       4777 2497 6461 199569 + Announce - aggregate of 185.9.172.0/23 (4777 2497 6461 199569) and 185.9.174.0/23 (4777 2497 6461 199569)
  185.9.172.0/23       4777 2497 6461 199569 - Withdrawn - aggregated with 185.9.174.0/23 (4777 2497 6461 199569)
  185.9.174.0/23       4777 2497 6461 199569 - Withdrawn - aggregated with 185.9.172.0/23 (4777 2497 6461 199569)

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

AS199569   2 More Specifics   2 Total Advertisements   Cognizant-EU-AS - Cognizant Worldwide Limited, GB
    185.9.172.0/23                185.9.172.0/22
    185.9.174.0/23                185.9.172.0/22

Whois Entry

whois: 402613

IANA has recorded AS199569 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS199569\n