Report for 21984

Name

FCPS - Fairfax County Public Schools, 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.

21984 FCPS - Fairfax County Public Schools, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS22773         ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1909  AS21984        ORIGIN  Originate:     131328 /15.00  Transit:          0 /0.00  FCPS - Fairfax County Public Schools, 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       %
12118 AS21984       FCPS - Fairfax County Public Schools, US           6      4      1      3      3  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  151.188.0.0/16       4777 2497 6461 21984   
  151.188.0.0/18       4777 2516 3257 22773 21984   
  151.188.64.0/18      4777 2497 6461 21984 - Withdrawn - matching aggregate 151.188.0.0/16 4777 2497 6461 21984
  151.188.77.0/24      4777 2497 6461 21984 - Withdrawn - matching aggregate 151.188.0.0/16 4777 2497 6461 21984
  151.188.128.0/17     4777 2516 3257 22773 21984 + Announce - aggregate of 151.188.128.0/18 (4777 2516 3257 22773 21984) and 151.188.192.0/18 (4777 2516 3257 22773 21984)
  151.188.128.0/18     4777 2516 3257 22773 21984 - Withdrawn - aggregated with 151.188.192.0/18 (4777 2516 3257 22773 21984)
  151.188.192.0/18     4777 2516 3257 22773 21984 - Withdrawn - aggregated with 151.188.128.0/18 (4777 2516 3257 22773 21984)

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

AS21984   5 More Specifics   6 Total Advertisements   FCPS - Fairfax County Public Schools, US
    151.188.0.0/18                151.188.0.0/16
    151.188.64.0/18               151.188.0.0/16
    151.188.77.0/24               151.188.0.0/16
    151.188.128.0/18              151.188.0.0/16
    151.188.192.0/18              151.188.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS21984 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21984\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:       21984
             ASName:         FCPS
             ASHandle:       AS21984
             RegDate:        2001-07-20
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/21984
             
             
             OrgName:        Fairfax County Public Schools
             OrgId:          FCPS
             Address:        3701 Franconia Road
             City:           Alexandria
             StateProv:      VA
             PostalCode:     22310
             Country:        US
             RegDate:        1991-09-23
             Updated:        2007-12-07
             Ref:            https://rdap.arin.net/registry/entity/FCPS
             
             
             OrgAbuseHandle: ZF70-ARIN
             OrgAbuseName:   FCPS
             OrgAbusePhone:  +1-703-329-7575 
             OrgAbuseEmail:  DataSecurity@fcps.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZF70-ARIN
             
             OrgTechHandle: ZF70-ARIN
             OrgTechName:   FCPS
             OrgTechPhone:  +1-703-329-7575 
             OrgTechEmail:  DataSecurity@fcps.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZF70-ARIN
             
             OrgNOCHandle: ZF70-ARIN
             OrgNOCName:   FCPS
             OrgNOCPhone:  +1-703-329-7575 
             OrgNOCEmail:  DataSecurity@fcps.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ZF70-ARIN
             
             RTechHandle: ZF70-ARIN
             RTechName:   FCPS
             RTechPhone:  +1-703-329-7575 
             RTechEmail:  DataSecurity@fcps.edu
             RTechRef:    https://rdap.arin.net/registry/entity/ZF70-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.
             #