Report for 393689

Name

NLM-NCCS - National Library of Medicine, 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.

393689 NLM-NCCS - National Library of Medicine, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US
    AS11164         INTERNET2-I2PX - Internet2, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24321 AS393689       ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  NLM-NCCS - National Library of Medicine, 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       %
73674 AS393689      NLM-NCCS - National Library of Medicine, US        4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  165.112.6.0/23       4777 2497 11164 393689   
  165.112.8.0/22       4777 2497 11164 393689   
  165.112.34.0/23      4777 2497 11164 393689   
  165.112.140.0/24     4777 2497 11164 393689   

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

AS393689   4 More Specifics   4 Total Advertisements   NLM-NCCS - National Library of Medicine, US
    165.112.6.0/23                165.112.0.0/16
    165.112.8.0/22                165.112.0.0/16
    165.112.34.0/23               165.112.0.0/16
    165.112.140.0/24              165.112.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS393689 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS393689\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:       393689
             ASName:         NLM-NCCS
             ASHandle:       AS393689
             RegDate:        2014-11-06
             Updated:        2014-11-06
             Ref:            https://rdap.arin.net/registry/autnum/393689
             
             
             OrgName:        National Library of Medicine
             OrgId:          NLM
             Address:        8600 Rockville Pike
             City:           Bethessda
             StateProv:      MD
             PostalCode:     20817
             Country:        US
             RegDate:        1984-02-13
             Updated:        2022-09-28
             Ref:            https://rdap.arin.net/registry/entity/NLM
             
             
             OrgAbuseHandle: NAC15-ARIN
             OrgAbuseName:   Network Abuse Center
             OrgAbusePhone:  +1-301-496-2943 
             OrgAbuseEmail:  abuse@nlm.nih.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAC15-ARIN
             
             OrgTechHandle: GATES18-ARIN
             OrgTechName:   Gates, Kevin 
             OrgTechPhone:  +1-301-496-2572 
             OrgTechEmail:  kevin.gates@nih.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/GATES18-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.
             #