Report for 54040

Name

NBCUNI - NBCUniversal, 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.

54040 NBCUNI - NBCUniversal, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS22694         CNBC - NBCUniversal, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
45454 AS54040        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  NBCUNI - NBCUniversal, 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       %
48747 AS54040       NBCUNI - NBCUniversal, US                          2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.234.250.0/24      4777 2497 3356 22694 54040   
  216.39.34.0/23       4777 2497 3356 22694 54040   

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

AS54040   2 More Specifics   2 Total Advertisements   NBCUNI - NBCUniversal, US
    50.234.250.0/24               50.128.0.0/9
    216.39.34.0/23                216.39.32.0/20

Whois Entry

whois: 402332

IANA has recorded AS54040 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54040\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:       54040
             ASName:         NBCUNI
             ASHandle:       AS54040
             RegDate:        2011-09-14
             Updated:        2014-06-09
             Ref:            https://rdap.arin.net/registry/autnum/54040
             
             
             OrgName:        NBCUniversal
             OrgId:          NBCUN-5
             Address:        30 ROCKEFELLER CENTER
             City:           NEW YORK
             StateProv:      NY
             PostalCode:     10112
             Country:        US
             RegDate:        2006-12-11
             Updated:        2025-01-21
             Ref:            https://rdap.arin.net/registry/entity/NBCUN-5
             
             
             OrgNOCHandle: NBCUO-ARIN
             OrgNOCName:   NBCUO-ARIN
             OrgNOCPhone:  +1-818-777-9673 
             OrgNOCEmail:  nbcu_arinops@nbcuni.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NBCUO-ARIN
             
             OrgTechHandle: NBCUT-ARIN
             OrgTechName:   NBCU Technical
             OrgTechPhone:  +1-818-777-9673 
             OrgTechEmail:  nbcu_arintech@nbcuni.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NBCUT-ARIN
             
             OrgAbuseHandle: INFOS6-ARIN
             OrgAbuseName:   InfoSec
             OrgAbusePhone:  +1-212-664-4444 
             OrgAbuseEmail:  sralerts@nbcuni.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOS6-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.
             #