Report for 399443

Name

NIELSEN-MEDIA - THE NIELSEN COMPANY (US), 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.

399443 NIELSEN-MEDIA, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS15994         A1HR A1 Hrvatska d.o.o. Zagreb, Croatia, HR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
77256 AS399443       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  NIELSEN-MEDIA, 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       %
76703 AS399443      NIELSEN-MEDIA, US                                  1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  162.33.73.0/24       6939 15994 399443      

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

AS399443   1 More Specifics   1 Total Advertisements   NIELSEN-MEDIA, US
    162.33.73.0/24                162.33.64.0/18

Whois Entry

whois: 402551

IANA has recorded AS399443 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS399443\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:       399443
             ASName:         NIELSEN-MEDIA
             ASHandle:       AS399443
             RegDate:        2021-03-15
             Updated:        2021-03-15
             Ref:            https://rdap.arin.net/registry/autnum/399443
             
             
             OrgName:        THE NIELSEN COMPANY (US), LLC
             OrgId:          NUL-18
             Address:        85 Broad Street
             City:           New York
             StateProv:      NY
             PostalCode:     10004
             Country:        US
             RegDate:        2020-12-22
             Updated:        2025-06-17
             Ref:            https://rdap.arin.net/registry/entity/NUL-18
             
             
             OrgTechHandle: INSEL-ARIN
             OrgTechName:   Insel, Thomas 
             OrgTechPhone:  +1-646-441-2108 
             OrgTechEmail:  thomas.insel@nielsen.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/INSEL-ARIN
             
             OrgAbuseHandle: INSEL-ARIN
             OrgAbuseName:   Insel, Thomas 
             OrgAbusePhone:  +1-646-441-2108 
             OrgAbuseEmail:  thomas.insel@nielsen.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INSEL-ARIN
             
             OrgDNSHandle: INSEL-ARIN
             OrgDNSName:   Insel, Thomas 
             OrgDNSPhone:  +1-646-441-2108 
             OrgDNSEmail:  thomas.insel@nielsen.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/INSEL-ARIN
             
             OrgNOCHandle: INSEL-ARIN
             OrgNOCName:   Insel, Thomas 
             OrgNOCPhone:  +1-646-441-2108 
             OrgNOCEmail:  thomas.insel@nielsen.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/INSEL-ARIN
             
             OrgRoutingHandle: INSEL-ARIN
             OrgRoutingName:   Insel, Thomas 
             OrgRoutingPhone:  +1-646-441-2108 
             OrgRoutingEmail:  thomas.insel@nielsen.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/INSEL-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.
             #