Report for 21923

Name

CS-AS-NAME - CapitalSource Finance 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.

21923 CS-AS-NAME - CapitalSource Finance LLC, 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
59709 AS21923        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CS-AS-NAME - CapitalSource Finance 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       %
35535 AS21923       CS-AS-NAME - CapitalSource Finance LLC, US         1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.150.170.0/24      4777 2497 7018 21923   

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

AS21923   1 More Specifics   1 Total Advertisements   CS-AS-NAME - CapitalSource Finance LLC, US
    12.150.170.0/24               12.0.0.0/8

Whois Entry

whois: 402332

IANA has recorded AS21923 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21923\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:       21923
             ASName:         CS-AS-NAME
             ASHandle:       AS21923
             RegDate:        2007-01-11
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/21923
             
             
             OrgName:        CapitalSource Finance LLC
             OrgId:          CFL-41
             Address:        5404 Wisconsin Ave, 2nd Floor
             City:           Chevy Chase
             StateProv:      MD
             PostalCode:     20815
             Country:        US
             RegDate:        2006-12-21
             Updated:        2012-10-25
             Ref:            https://rdap.arin.net/registry/entity/CFL-41
             
             
             OrgAbuseHandle: ISPAL-ARIN
             OrgAbuseName:   ISP Alerts
             OrgAbusePhone:  +1-301-841-2807 
             OrgAbuseEmail:  bdrenning@capitalsource.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISPAL-ARIN
             
             OrgTechHandle: ISPAL-ARIN
             OrgTechName:   ISP Alerts
             OrgTechPhone:  +1-301-841-2807 
             OrgTechEmail:  bdrenning@capitalsource.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ISPAL-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.
             #