Report for 21

Name

RAND - The RAND Corporation, 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.

21 RAND - The RAND Corporation, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7046          RFC2270-UUNET-CUSTOMER - Verizon Business, US
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21938 AS21           ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  RAND - The RAND Corporation, 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       %
20033 AS21          RAND - The RAND Corporation, US                   10      2      1      9      1  10.00%


  Prefix               AS Path                              Aggregation Suggestion
  130.154.0.0/23       4777 2516 1299 46887 21 + Announce - aggregate of 130.154.0.0/24 (4777 2516 1299 46887 21) and 130.154.1.0/24 (4777 2516 1299 46887 21)
  130.154.0.0/24       4777 2516 1299 46887 21 - Withdrawn - aggregated with 130.154.1.0/24 (4777 2516 1299 46887 21)
  130.154.1.0/24       4777 2516 1299 46887 21 - Withdrawn - aggregated with 130.154.0.0/24 (4777 2516 1299 46887 21)
  130.154.3.0/24       4608 7575 1299 46887 21   
  130.154.11.0/24      4777 2516 1299 46887 21   
  130.154.30.0/24      4608 7575 1299 46887 21   
  130.154.33.0/24      4608 7575 1299 46887 21   
  130.154.111.0/24     4777 2516 1299 46887 21   
  130.154.113.0/24     4608 7575 1299 46887 21   
  166.67.240.0/24      4777 2497 701 7046 21   
  192.5.14.0/24        4777 2516 1299 46887 21   

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

AS21   9 More Specifics   10 Total Advertisements   RAND - The RAND Corporation, US
    130.154.0.0/24                130.154.0.0/16
    130.154.1.0/24                130.154.0.0/16
    130.154.3.0/24                130.154.0.0/16
    130.154.11.0/24               130.154.0.0/16
    130.154.30.0/24               130.154.0.0/16
    130.154.33.0/24               130.154.0.0/16
    130.154.111.0/24              130.154.0.0/16
    130.154.113.0/24              130.154.0.0/16
    166.67.240.0/24               166.67.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS21 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21\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:       21
             ASName:         RAND
             ASHandle:       AS21
             RegDate:        1984-07-30
             Updated:        2021-03-23
             Ref:            https://rdap.arin.net/registry/autnum/21
             
             
             OrgName:        The RAND Corporation
             OrgId:          THERAN-Z
             Address:        1776 Main St.
             City:           Santa Monica
             StateProv:      CA
             PostalCode:     90407-2138
             Country:        US
             RegDate:        2021-03-08
             Updated:        2021-03-08
             Ref:            https://rdap.arin.net/registry/entity/THERAN-Z
             
             
             OrgTechHandle: ZT72-ARIN
             OrgTechName:   The RAND Corporation
             OrgTechPhone:  +1-310-393-0411 
             OrgTechEmail:  Whois_Admins@rand.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZT72-ARIN
             
             OrgAbuseHandle: ZT72-ARIN
             OrgAbuseName:   The RAND Corporation
             OrgAbusePhone:  +1-310-393-0411 
             OrgAbuseEmail:  Whois_Admins@rand.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZT72-ARIN
             
             RTechHandle: ZT72-ARIN
             RTechName:   The RAND Corporation
             RTechPhone:  +1-310-393-0411 
             RTechEmail:  Whois_Admins@rand.org
             RTechRef:    https://rdap.arin.net/registry/entity/ZT72-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.
             #