Report for 31821

Name

AS-RCS - Riverdale Country School, 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.

31821 AS-RCS - Riverdale Country School, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS25645         MOMENTUM-ACCESS - Momentum Telecom, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
61067 AS31821        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  AS-RCS - Riverdale Country School, 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       %
39094 AS31821       AS-RCS - Riverdale Country School, US              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  198.62.116.0/24      4777 2516 7922 60068 25645 31821   

Whois Entry

whois: 402603

IANA has recorded AS31821 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS31821\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:       31821
             ASName:         AS-RCS
             ASHandle:       AS31821
             RegDate:        2004-01-02
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/31821
             
             
             OrgName:        Riverdale Country School
             OrgId:          RCS-6
             Address:        5250 Fieldston Road
             City:           Bronx
             StateProv:      NY
             PostalCode:     10471
             Country:        US
             RegDate:        1993-02-24
             Updated:        2014-07-25
             Ref:            https://rdap.arin.net/registry/entity/RCS-6
             
             
             OrgNOCHandle: KINGJ18-ARIN
             OrgNOCName:   King, Jonathan 
             OrgNOCPhone:  +1-718-549-8810 
             OrgNOCEmail:  jking@riverdale.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/KINGJ18-ARIN
             
             OrgTechHandle: KINGJ18-ARIN
             OrgTechName:   King, Jonathan 
             OrgTechPhone:  +1-718-549-8810 
             OrgTechEmail:  jking@riverdale.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/KINGJ18-ARIN
             
             OrgAbuseHandle: KINGJ18-ARIN
             OrgAbuseName:   King, Jonathan 
             OrgAbusePhone:  +1-718-549-8810 
             OrgAbuseEmail:  jking@riverdale.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KINGJ18-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.
             #