Report for 21986

Name

WPP-ET-CAMPUS-WASHINGTONDC - Young & Rubicam 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 AS6447) 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.

21986 -Reserved AS-, ZZ

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
60009 AS21986        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  -Reserved AS-, ZZ

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       %
36212 AS21986       -Reserved AS-, ZZ                                  1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.105.89.0/24       49788 174 21986 21986 21986 21986   

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

AS21986   1 More Specifics   1 Total Advertisements   -Reserved AS-, ZZ
    38.105.89.0/24                38.0.0.0/8

Whois Entry

whois: 402603

IANA has recorded AS21986 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21986\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.
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             ASNumber:       21986
             ASName:         WPP-ET-CAMPUS-WASHINGTONDC
             ASHandle:       AS21986
             RegDate:        2025-06-20
             Updated:        2025-06-20
             Ref:            https://rdap.arin.net/registry/autnum/21986
             
             
             OrgName:        Young & Rubicam LLC
             OrgId:          YRL-1
             Address:        3 World Trade Center
             City:           New York
             StateProv:      NY
             PostalCode:     10007
             Country:        US
             RegDate:        2019-02-22
             Updated:        2025-07-23
             Ref:            https://rdap.arin.net/registry/entity/YRL-1
             
             
             OrgTechHandle: HERBE97-ARIN
             OrgTechName:   Herbert, Gavin 
             OrgTechPhone:  +447970314010 
             OrgTechEmail:  gavin.herbert@wpp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HERBE97-ARIN
             
             OrgTechHandle: WRTC-ARIN
             OrgTechName:   WPP RIR Technical Contact
             OrgTechPhone:  +020 3193 4892 
             OrgTechEmail:  RIR.Technical.Contact@wpp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WRTC-ARIN
             
             OrgAbuseHandle: WRTC-ARIN
             OrgAbuseName:   WPP RIR Technical Contact
             OrgAbusePhone:  +020 3193 4892 
             OrgAbuseEmail:  RIR.Technical.Contact@wpp.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WRTC-ARIN
             
             OrgTechHandle: BARTL198-ARIN
             OrgTechName:   Bartlett, Michael 
             OrgTechPhone:  +07900763881 
             OrgTechEmail:  michael.bartlett@wpp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BARTL198-ARIN
             
             OrgTechHandle: MOKEN-ARIN
             OrgTechName:   Moken, Matthew 
             OrgTechPhone:  +1-732-856-2110 
             OrgTechEmail:  matthew.moken@wpp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MOKEN-ARIN
             
             OrgTechHandle: YRLLC-ARIN
             OrgTechName:   YRLLC
             OrgTechPhone:  +1-212-210-3000 
             OrgTechEmail:  yrllc_global_arin_mgmt@yrgrp.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/YRLLC-ARIN
             
             OrgNOCHandle: YRLLC-ARIN
             OrgNOCName:   YRLLC
             OrgNOCPhone:  +1-212-210-3000 
             OrgNOCEmail:  yrllc_global_arin_mgmt@yrgrp.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/YRLLC-ARIN
             
             OrgAbuseHandle: YRLLC-ARIN
             OrgAbuseName:   YRLLC
             OrgAbusePhone:  +1-212-210-3000 
             OrgAbuseEmail:  yrllc_global_arin_mgmt@yrgrp.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/YRLLC-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.
             #