Report for 18544

Name

NKTR-AS01 - Nektar Therapeutics, 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.

18544 NKTR-AS01 - Nektar Therapeutics, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59448 AS18544        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  NKTR-AS01 - Nektar Therapeutics, 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       %
34563 AS18544       NKTR-AS01 - Nektar Therapeutics, US                1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.176.90.0/24       4777 2497 7018 18544   

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

AS18544   1 More Specifics   1 Total Advertisements   NKTR-AS01 - Nektar Therapeutics, US
    12.176.90.0/24                12.0.0.0/8

Whois Entry

whois: 402591

IANA has recorded AS18544 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18544\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:       18544
             ASName:         NKTR-AS01
             ASHandle:       AS18544
             RegDate:        2010-07-15
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/18544
             
             
             OrgName:        Nektar Therapeutics
             OrgId:          NEKTA-1
             Address:        455 Mission Bay Blvd South
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94158
             Country:        US
             RegDate:        2010-06-23
             Updated:        2011-06-21
             Ref:            https://rdap.arin.net/registry/entity/NEKTA-1
             
             
             OrgTechHandle: BRYSO1-ARIN
             OrgTechName:   Bryson, Paul 
             OrgTechPhone:  +1-415-823-9511 
             OrgTechEmail:  pbryson@nektar.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BRYSO1-ARIN
             
             OrgNOCHandle: BRYSO1-ARIN
             OrgNOCName:   Bryson, Paul 
             OrgNOCPhone:  +1-415-823-9511 
             OrgNOCEmail:  pbryson@nektar.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/BRYSO1-ARIN
             
             OrgAbuseHandle: BRYSO1-ARIN
             OrgAbuseName:   Bryson, Paul 
             OrgAbusePhone:  +1-415-823-9511 
             OrgAbuseEmail:  pbryson@nektar.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BRYSO1-ARIN
             
             RAbuseHandle: BRYSO1-ARIN
             RAbuseName:   Bryson, Paul 
             RAbusePhone:  +1-415-823-9511 
             RAbuseEmail:  pbryson@nektar.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/BRYSO1-ARIN
             
             RTechHandle: BRYSO1-ARIN
             RTechName:   Bryson, Paul 
             RTechPhone:  +1-415-823-9511 
             RTechEmail:  pbryson@nektar.com
             RTechRef:    https://rdap.arin.net/registry/entity/BRYSO1-ARIN
             
             RNOCHandle: BRYSO1-ARIN
             RNOCName:   Bryson, Paul 
             RNOCPhone:  +1-415-823-9511 
             RNOCEmail:  pbryson@nektar.com
             RNOCRef:    https://rdap.arin.net/registry/entity/BRYSO1-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.
             #