Report for 14421

Name

THERAVANCE - Theravance Biopharma 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 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.

14421 THERAVANCE - Theravance Biopharma US, LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33651         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
58870 AS14421        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  THERAVANCE - Theravance Biopharma US, LLC, 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       %
33872 AS14421       THERAVANCE - Theravance Biopharma US, LLC, US      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  216.101.17.0/24      4777 2516 7922 33651 14421 14421   

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

AS14421   1 More Specifics   1 Total Advertisements   THERAVANCE - Theravance Biopharma US, LLC, US
    216.101.17.0/24               216.100.0.0/14

Whois Entry

whois: 402332

IANA has recorded AS14421 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS14421\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:       14421
             ASName:         THERAVANCE
             ASHandle:       AS14421
             RegDate:        1999-12-09
             Updated:        2019-08-06
             Ref:            https://rdap.arin.net/registry/autnum/14421
             
             
             OrgName:        Theravance Biopharma US, LLC
             OrgId:          TBU-3
             Address:        901 Gateway Blvd
             City:           South San Francisco
             StateProv:      CA
             PostalCode:     94080
             Country:        US
             RegDate:        2018-11-13
             Updated:        2025-02-25
             Ref:            https://rdap.arin.net/registry/entity/TBU-3
             
             
             OrgTechHandle: SHINO4-ARIN
             OrgTechName:   Shinoda, Dave 
             OrgTechPhone:  +1-650-808-6488 
             OrgTechEmail:  dshinoda@theravance.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SHINO4-ARIN
             
             OrgAbuseHandle: CHANA60-ARIN
             OrgAbuseName:   Chan, Anthony 
             OrgAbusePhone:  +1-415-298-9832 
             OrgAbuseEmail:  achan@theravance.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHANA60-ARIN
             
             OrgAbuseHandle: SHINO4-ARIN
             OrgAbuseName:   Shinoda, Dave 
             OrgAbusePhone:  +1-650-808-6488 
             OrgAbuseEmail:  dshinoda@theravance.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SHINO4-ARIN
             
             OrgTechHandle: CHANA60-ARIN
             OrgTechName:   Chan, Anthony 
             OrgTechPhone:  +1-415-298-9832 
             OrgTechEmail:  achan@theravance.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHANA60-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.
             #