Report for 62644

Name

NBCSN-DMZ - NBC Sports Network, 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.

62644 NBCSN-DMZ - NBC Sports Network, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS33287         COMCAST-33287 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
37557 AS62644        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  NBCSN-DMZ - NBC Sports Network, 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       %
24411 AS62644       NBCSN-DMZ - NBC Sports Network, US                 4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.205.7.0/24        4608 7575 1299 46887 62644   
  50.229.84.0/24       4608 7575 1299 46887 62644   
  198.55.26.0/23       4608 7575 1299 46887 62644 + Announce - aggregate of 198.55.26.0/24 (4608 7575 1299 46887 62644) and 198.55.27.0/24 (4608 7575 1299 46887 62644)
  198.55.26.0/24       4608 7575 1299 46887 62644 - Withdrawn - aggregated with 198.55.27.0/24 (4608 7575 1299 46887 62644)
  198.55.27.0/24       4608 7575 1299 46887 62644 - Withdrawn - aggregated with 198.55.26.0/24 (4608 7575 1299 46887 62644)

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

AS62644   4 More Specifics   4 Total Advertisements   NBCSN-DMZ - NBC Sports Network, US
    50.205.7.0/24                 50.128.0.0/9
    50.229.84.0/24                50.128.0.0/9
    198.55.26.0/24                198.55.26.0/23
    198.55.27.0/24                198.55.26.0/23

Whois Entry

whois: 402603

IANA has recorded AS62644 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS62644\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:       62644
             ASName:         NBCSN-DMZ
             ASHandle:       AS62644
             RegDate:        2013-07-29
             Updated:        2013-07-29
             Ref:            https://rdap.arin.net/registry/autnum/62644
             
             
             OrgName:        NBC Sports Network
             OrgId:          NSN-14
             Address:        One Blachley Road
             City:           Stamford
             StateProv:      CT
             PostalCode:     06902
             Country:        US
             RegDate:        2013-06-03
             Updated:        2013-06-03
             Ref:            https://rdap.arin.net/registry/entity/NSN-14
             
             
             OrgTechHandle: NETWO6052-ARIN
             OrgTechName:   Network Operations
             OrgTechPhone:  +1-203-356-2319 
             OrgTechEmail:  sportsarinpoc@nbcuni.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6052-ARIN
             
             OrgNOCHandle: NETWO6052-ARIN
             OrgNOCName:   Network Operations
             OrgNOCPhone:  +1-203-356-2319 
             OrgNOCEmail:  sportsarinpoc@nbcuni.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO6052-ARIN
             
             OrgAbuseHandle: NETWO6052-ARIN
             OrgAbuseName:   Network Operations
             OrgAbusePhone:  +1-203-356-2319 
             OrgAbuseEmail:  sportsarinpoc@nbcuni.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6052-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.
             #