Report for 10788

Name

CDW - CDW 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.

10788 CDW - CDW LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18604 AS10788        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  CDW - CDW 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       %
 9821 AS10788       CDW - CDW LLC, US                                  7      5      1      3      4  57.14%


  Prefix               AS Path                              Aggregation Suggestion
  64.73.16.0/21        4777 2497 3356 10788   
  64.73.16.0/23        4777 2516 3356 10788 + Announce - aggregate of 64.73.16.0/24 (4777 2516 3356 10788) and 64.73.17.0/24 (4777 2516 3356 10788)
  64.73.16.0/24        4777 2516 3356 10788 - Withdrawn - aggregated with 64.73.17.0/24 (4777 2516 3356 10788)
  64.73.17.0/24        4777 2516 3356 10788 - Withdrawn - aggregated with 64.73.16.0/24 (4777 2516 3356 10788)
  64.73.18.0/24        4777 2497 3356 10788 - Withdrawn - matching aggregate 64.73.16.0/21 4777 2497 3356 10788
  64.73.20.0/24        4777 2497 3356 10788 - Withdrawn - matching aggregate 64.73.16.0/21 4777 2497 3356 10788
  64.73.21.0/24        4777 2497 3356 10788 - Withdrawn - matching aggregate 64.73.16.0/21 4777 2497 3356 10788
  64.73.23.0/24        4777 2516 3356 10788   

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

AS10788   7 More Specifics   7 Total Advertisements   CDW - CDW LLC, US
    64.73.16.0/21                 64.73.0.0/17
    64.73.16.0/24                 64.73.0.0/17
    64.73.17.0/24                 64.73.0.0/17
    64.73.18.0/24                 64.73.0.0/17
    64.73.20.0/24                 64.73.0.0/17
    64.73.21.0/24                 64.73.0.0/17
    64.73.23.0/24                 64.73.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS10788 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS10788\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:       10788
             ASName:         CDW
             ASHandle:       AS10788
             RegDate:        1997-12-01
             Updated:        2015-02-06
             Ref:            https://rdap.arin.net/registry/autnum/10788
             
             
             OrgName:        CDW LLC
             OrgId:          CDW-3
             Address:        200 N. Milwaukee Ave
             City:           Vernon Hills
             StateProv:      IL
             PostalCode:     60061
             Country:        US
             RegDate:        1997-12-01
             Updated:        2015-02-06
             Ref:            https://rdap.arin.net/registry/entity/CDW-3
             
             
             OrgAbuseHandle: NET9-ARIN
             OrgAbuseName:   Network Engineering Team
             OrgAbusePhone:  +1-847-465-6587 
             OrgAbuseEmail:  itnetengteam@cdw.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NET9-ARIN
             
             OrgTechHandle: NET9-ARIN
             OrgTechName:   Network Engineering Team
             OrgTechPhone:  +1-847-465-6587 
             OrgTechEmail:  itnetengteam@cdw.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NET9-ARIN
             
             OrgNOCHandle: NET9-ARIN
             OrgNOCName:   Network Engineering Team
             OrgNOCPhone:  +1-847-465-6587 
             OrgNOCEmail:  itnetengteam@cdw.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NET9-ARIN
             
             RTechHandle: NET9-ARIN
             RTechName:   Network Engineering Team
             RTechPhone:  +1-847-465-6587 
             RTechEmail:  itnetengteam@cdw.com
             RTechRef:    https://rdap.arin.net/registry/entity/NET9-ARIN
             
             RAbuseHandle: NET9-ARIN
             RAbuseName:   Network Engineering Team
             RAbusePhone:  +1-847-465-6587 
             RAbuseEmail:  itnetengteam@cdw.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/NET9-ARIN
             
             RNOCHandle: NET9-ARIN
             RNOCName:   Network Engineering Team
             RNOCPhone:  +1-847-465-6587 
             RNOCEmail:  itnetengteam@cdw.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NET9-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.
             #