Report for 40443

Name

CDK-GLOBAL - CDK Global, 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.

40443 CDK-GLOBAL - CDK Global, LLC, US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS394493        CDK-GLOBAL-HOSTING-FB - CDK Global, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6530  AS40443        ORG+TRN Originate:      22016 /17.57  Transit:        512 /23.00 CDK-GLOBAL - CDK Global, 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       %
 8810 AS40443       CDK-GLOBAL - CDK Global, LLC, US                  20      7      2     15      5  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  65.59.112.0/24       4777 2497 174 40443    
  192.110.64.0/20      4777 2497 174 40443    
  192.110.75.0/24      4777 2497 174 40443  - Withdrawn - matching aggregate 192.110.64.0/20 4777 2497 174 40443
  198.133.214.0/24     4777 2497 174 40443    
  206.22.222.0/24      4777 2497 174 40443    
  207.186.140.0/23     4777 2516 3356 40443 + Announce - aggregate of 207.186.140.0/24 (4777 2516 3356 40443) and 207.186.141.0/24 (4777 2516 3356 40443)
  207.186.140.0/24     4777 2516 3356 40443 - Withdrawn - aggregated with 207.186.141.0/24 (4777 2516 3356 40443)
  207.186.141.0/24     4777 2516 3356 40443 - Withdrawn - aggregated with 207.186.140.0/24 (4777 2516 3356 40443)
  207.186.144.0/21     4777 2497 174 40443    
  207.186.159.0/24     4777 2497 174 40443    
  207.186.160.0/21     4777 2497 174 40443    
  207.186.161.0/24     4777 2497 174 40443  - Withdrawn - matching aggregate 207.186.160.0/21 4777 2497 174 40443
  207.186.175.0/24     4777 2497 174 40443    
  207.186.184.0/21     4777 2497 174 40443    
  207.186.184.0/24     4777 2497 174 40443  - Withdrawn - matching aggregate 207.186.184.0/21 4777 2497 174 40443
  207.186.224.0/20     4777 2516 3356 40443   
  207.187.140.0/23     4777 2497 174 40443  + Announce - aggregate of 207.187.140.0/24 (4777 2497 174 40443) and 207.187.141.0/24 (4777 2497 174 40443)
  207.187.140.0/24     4777 2497 174 40443  - Withdrawn - aggregated with 207.187.141.0/24 (4777 2497 174 40443)
  207.187.141.0/24     4777 2497 174 40443  - Withdrawn - aggregated with 207.187.140.0/24 (4777 2497 174 40443)
  207.187.224.0/20     4777 2497 174 40443    
  216.231.224.0/24     4777 2497 174 40443    
  216.231.228.0/24     4777 2497 174 40443    

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

AS40443   19 More Specifics   20 Total Advertisements   CDK-GLOBAL - CDK Global, LLC, US
    65.59.112.0/24                65.56.0.0/14
    192.110.64.0/20               192.110.64.0/18
    192.110.75.0/24               192.110.64.0/18
    206.22.222.0/24               206.22.0.0/16
    207.186.140.0/24              207.184.0.0/14
    207.186.141.0/24              207.184.0.0/14
    207.186.144.0/21              207.184.0.0/14
    207.186.159.0/24              207.184.0.0/14
    207.186.160.0/21              207.184.0.0/14
    207.186.161.0/24              207.184.0.0/14
    207.186.175.0/24              207.184.0.0/14
    207.186.184.0/21              207.184.0.0/14
    207.186.184.0/24              207.184.0.0/14
    207.186.224.0/20              207.184.0.0/14
    207.187.140.0/24              207.184.0.0/14
    207.187.141.0/24              207.184.0.0/14
    207.187.224.0/20              207.184.0.0/14
    216.231.224.0/24              216.231.224.0/20
    216.231.228.0/24              216.231.224.0/20

Whois Entry

whois: 402332

IANA has recorded AS40443 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40443\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       40443
             ASName:         CDK-GLOBAL
             ASHandle:       AS40443
             RegDate:        2007-02-21
             Updated:        2020-01-24
             Ref:            https://rdap.arin.net/registry/autnum/40443
             
             
             OrgName:        CDK Global, LLC
             OrgId:          ADS-17
             Address:        11809 Domain Dr Suite 200
             City:           Austin
             StateProv:      TX
             PostalCode:     78758
             Country:        US
             RegDate:        1997-04-02
             Updated:        2026-02-04
             Ref:            https://rdap.arin.net/registry/entity/ADS-17
             
             
             OrgNOCHandle: TECHN1109-ARIN
             OrgNOCName:   TECHNICALTEAM, ASP 
             OrgNOCPhone:  +1-847-485-1700 
             OrgNOCEmail:  network.manager@cdk.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TECHN1109-ARIN
             
             OrgTechHandle: TECHN1109-ARIN
             OrgTechName:   TECHNICALTEAM, ASP 
             OrgTechPhone:  +1-847-485-1700 
             OrgTechEmail:  network.manager@cdk.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN1109-ARIN
             
             OrgTechHandle: PARDO33-ARIN
             OrgTechName:   Pardo, Rick 
             OrgTechPhone:  +1-202-957-5748 
             OrgTechEmail:  rick.pardo2@gmail.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/PARDO33-ARIN
             
             OrgAbuseHandle: ABUSE6721-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-847-397-1700 
             OrgAbuseEmail:  abuse@cdk.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6721-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #