Report for 54651

Name

BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc., 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.

54651 BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS49915         MEGAPORT Megaport, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
45428 AS54651        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc., 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       %
48344 AS54651       BLACK-DUCK-SOFTWARE-01 - Black Duck Software,      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  209.51.32.0/23       4777 2516 3257 49915 54651   
  209.51.32.0/24       4777 2497 174 54651    

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

AS54651   2 More Specifics   2 Total Advertisements   BLACK-DUCK-SOFTWARE-01 - Black Duck Software, Inc., US
    209.51.32.0/23                209.51.32.0/21
    209.51.32.0/24                209.51.32.0/21

Whois Entry

whois: 402332

IANA has recorded AS54651 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54651\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:       54651
             ASName:         BLACK-DUCK-SOFTWARE-01
             ASHandle:       AS54651
             RegDate:        2024-08-27
             Updated:        2024-08-27
             Comment:        http://www.synopsys.com
             Comment:        Standard NOC hours 
             Comment:        7:00 AM to 11:00 PM PST
             Ref:            https://rdap.arin.net/registry/autnum/54651
             
             
             OrgName:        Black Duck Software, Inc.
             OrgId:          BDS-141
             Address:        675 Almanor Ave
             City:           Sunnyvale
             StateProv:      CA
             PostalCode:     94085
             Country:        US
             RegDate:        2024-05-22
             Updated:        2025-11-26
             Ref:            https://rdap.arin.net/registry/entity/BDS-141
             
             
             OrgTechHandle: MANDO5-ARIN
             OrgTechName:   Mandolare, Stephen 
             OrgTechPhone:  +1-844-852-2163 
             OrgTechEmail:  steve@mandolare.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MANDO5-ARIN
             
             OrgTechHandle: OWENS401-ARIN
             OrgTechName:   Owen, Scottie 
             OrgTechPhone:  +1-408-209-9215 
             OrgTechEmail:  scottie.owen@gmail.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/OWENS401-ARIN
             
             OrgAbuseHandle: MAS199-ARIN
             OrgAbuseName:   Streib, Michael Andrew
             OrgAbusePhone:  +1-408-621-0064 
             OrgAbuseEmail:  dtype@dtype.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MAS199-ARIN
             
             OrgTechHandle: RUANK-ARIN
             OrgTechName:   Ruan, Kenny 
             OrgTechPhone:  +1-781-572-4673 
             OrgTechEmail:  kruan84@gmail.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/RUANK-ARIN
             
             OrgTechHandle: MAS199-ARIN
             OrgTechName:   Streib, Michael Andrew
             OrgTechPhone:  +1-408-621-0064 
             OrgTechEmail:  dtype@dtype.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/MAS199-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.
             #