Report for 397990

Name

WILLIAMSLABS-LLC - Williamslabs 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.

397990 WILLIAMSLABS-LLC - Williamslabs LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57812 AS397990       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  WILLIAMSLABS-LLC - Williamslabs 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       %
76066 AS397990      WILLIAMSLABS-LLC - Williamslabs LLC, US            2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  23.144.112.0/24      4777 6939 397990       
  44.31.141.0/24       4608 6939 397990       

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

AS397990   1 More Specifics   2 Total Advertisements   WILLIAMSLABS-LLC - Williamslabs LLC, US
    44.31.141.0/24                44.0.0.0/9

Whois Entry

whois: 402603

IANA has recorded AS397990 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397990\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:       397990
             ASName:         WILLIAMSLABS-LLC
             ASHandle:       AS397990
             RegDate:        2019-09-30
             Updated:        2023-08-14
             Ref:            https://rdap.arin.net/registry/autnum/397990
             
             
             OrgName:        Williamslabs LLC
             OrgId:          WL-645
             Address:        481 N. Santa Cruz Ave #232
             City:           Los Gatos
             StateProv:      CA
             PostalCode:     95030
             Country:        US
             RegDate:        2019-09-27
             Updated:        2025-08-24
             Ref:            https://rdap.arin.net/registry/entity/WL-645
             
             
             OrgAbuseHandle: WILLI3514-ARIN
             OrgAbuseName:   Williams, Phelps  
             OrgAbusePhone:  +1-408-596-3432 
             OrgAbuseEmail:  arin@williamslabs.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WILLI3514-ARIN
             
             OrgTechHandle: WILLI3514-ARIN
             OrgTechName:   Williams, Phelps  
             OrgTechPhone:  +1-408-596-3432 
             OrgTechEmail:  arin@williamslabs.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WILLI3514-ARIN
             
             RAbuseHandle: NOC33686-ARIN
             RAbuseName:   Network Operations Center
             RAbusePhone:  +1-408-596-3432 
             RAbuseEmail:  arin-admin@williamslabs.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/NOC33686-ARIN
             
             RNOCHandle: NOC33686-ARIN
             RNOCName:   Network Operations Center
             RNOCPhone:  +1-408-596-3432 
             RNOCEmail:  arin-admin@williamslabs.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NOC33686-ARIN
             
             RTechHandle: NOC33686-ARIN
             RTechName:   Network Operations Center
             RTechPhone:  +1-408-596-3432 
             RTechEmail:  arin-admin@williamslabs.com
             RTechRef:    https://rdap.arin.net/registry/entity/NOC33686-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.
             #