Report for 21556

Name

NARC-EROOT - National Aeronautics and Space Administration, 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.

21556 NARC-EROOT - National Aeronautics and Space Administration, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS297           AS297 - National Aeronautics and Space Administration, US
    AS42            WOODYNET-1 - WoodyNet, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48610 AS21556        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  NARC-EROOT - National Aeronautics and Space Administration, 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       %
35586 AS21556       NARC-EROOT - National Aeronautics and Space A      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.12.28.0/24       4777 2497 297 21556    
  192.203.230.0/24     4608 13335 21556       

Whois Entry

whois: 402591

IANA has recorded AS21556 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21556\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:       21556
             ASName:         NARC-EROOT
             ASHandle:       AS21556
             RegDate:        2012-11-01
             Updated:        2024-03-21
             Ref:            https://rdap.arin.net/registry/autnum/21556
             
             
             OrgName:        National Aeronautics and Space Administration
             OrgId:          NASA
             Address:        IS05/Office of the Chief Information Officer
             City:           MSFC
             StateProv:      AL
             PostalCode:     35812
             Country:        US
             RegDate:        
             Updated:        2025-08-27
             Ref:            https://rdap.arin.net/registry/entity/NASA
             
             
             OrgTechHandle: IPAMO-ARIN
             OrgTechName:   DDI Operations
             OrgTechPhone:  +1-256-961-4726 
             OrgTechEmail:  dns@nasa.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPAMO-ARIN
             
             OrgTechHandle: RFBJ-ARIN
             OrgTechName:   Bischof, Jr., Ralph F.
             OrgTechPhone:  +1-256-961-4000 
             OrgTechEmail:  dns.support@nasa.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/RFBJ-ARIN
             
             OrgAbuseHandle: NASAA-ARIN
             OrgAbuseName:   NASA Abuse
             OrgAbusePhone:  +1-800-762-7472 
             OrgAbuseEmail:  abuse@nasa.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NASAA-ARIN
             
             OrgNOCHandle: NISN-ARIN
             OrgNOCName:   NASA Information Services Network
             OrgNOCPhone:  +1-256-961-4000 
             OrgNOCEmail:  noc@nisn.nasa.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NISN-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.
             #