Report for 21540

Name

WBD-US-WEST-ASN1 - Lewis Roca Rothgerber LLP, 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 AS6447) 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.

21540 LEWISROCALLP, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS12025         IMDC-AS12025, US
    AS174           COGENT-174, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59870 AS21540        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  LEWISROCALLP, 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       %
36049 AS21540       LEWISROCALLP, US                                   1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.16.108.0/24       3303 174 21540         

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

AS21540   1 More Specifics   1 Total Advertisements   LEWISROCALLP, US
    64.16.108.0/24                64.16.96.0/20

Whois Entry

whois: 402590

IANA has recorded AS21540 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21540\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:       21540
             ASName:         WBD-US-WEST-ASN1
             ASHandle:       AS21540
             RegDate:        2001-05-18
             Updated:        2025-02-27
             Comment:        https://www.womblebonddickinson.com/us
             Ref:            https://rdap.arin.net/registry/autnum/21540
             
             
             OrgName:        Lewis Roca Rothgerber LLP
             OrgId:          LRL-2
             Address:        201 E Washington Ave
             Address:        Suite 300
             City:           Phoenix
             StateProv:      AZ
             PostalCode:     85004
             Country:        US
             RegDate:        2000-04-15
             Updated:        2021-03-31
             Ref:            https://rdap.arin.net/registry/entity/LRL-2
             
             
             OrgAbuseHandle: WANAD14-ARIN
             OrgAbuseName:   WANADMIN
             OrgAbusePhone:  +1-602-528-4509 
             OrgAbuseEmail:  wanadmin@lewisroca.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WANAD14-ARIN
             
             OrgNOCHandle: WANAD14-ARIN
             OrgNOCName:   WANADMIN
             OrgNOCPhone:  +1-602-528-4509 
             OrgNOCEmail:  wanadmin@lewisroca.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/WANAD14-ARIN
             
             OrgTechHandle: SS1580-ARIN
             OrgTechName:   Stringham, Steven 
             OrgTechPhone:  +1-602-528-4509 
             OrgTechEmail:  steven.stringham@wbd-us.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SS1580-ARIN
             
             OrgTechHandle: FREEM415-ARIN
             OrgTechName:   Freeman, Joshua 
             OrgTechPhone:  +1-602-528-4528 
             OrgTechEmail:  jfreeman@lrrc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/FREEM415-ARIN
             
             RTechHandle: SS1580-ARIN
             RTechName:   Stringham, Steven 
             RTechPhone:  +1-602-528-4509 
             RTechEmail:  steven.stringham@wbd-us.com
             RTechRef:    https://rdap.arin.net/registry/entity/SS1580-ARIN
             
             RNOCHandle: WANAD14-ARIN
             RNOCName:   WANADMIN
             RNOCPhone:  +1-602-528-4509 
             RNOCEmail:  wanadmin@lewisroca.com
             RNOCRef:    https://rdap.arin.net/registry/entity/WANAD14-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.
             #