Report for 3527

Name

NIH-NET - National Institutes of Health, 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.

3527 NIH-NET - National Institutes of Health, US

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS10886         MAX-GIGAPOP - University of Maryland, US
    AS19050         TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services, US
  Downstream Adjacent AS list
    AS6150          NCIFCRF - National Cancer Institute, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
855   AS3527         ORG+TRN Originate:     345856 /13.60  Transit:      65536 /16.00 NIH-NET - National Institutes of Health, 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       %
11782 AS3527        NIH-NET - National Institutes of Health, US       15      3      0     12      3  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.231.0.0/16       4608 7575 11537 10886 3527   
  128.231.3.0/24       4777 2497 11164 10886 3527   
  128.231.245.0/24     4777 2497 11164 10886 3527   
  137.187.0.0/16       4608 7575 11537 10886 3527   
  156.40.0.0/16        4608 7575 11537 10886 3527   
  157.98.0.0/16        4608 7575 11537 10886 3527   
  162.99.224.0/19      4777 2516 3356 15029 15029 15029 19050 3527 3527 3527 3527 3527 3527 3527   
  165.112.0.0/16       4608 7575 11537 10886 3527   
  165.112.0.0/20       4608 7575 11537 10886 3527 - Withdrawn - matching aggregate 165.112.0.0/16 4608 7575 11537 10886 3527
  165.112.0.0/21       4608 7575 11537 10886 3527 - Withdrawn - matching aggregate 165.112.0.0/16 4608 7575 11537 10886 3527
  165.112.136.0/21     4608 7575 11537 10886 3527 - Withdrawn - matching aggregate 165.112.0.0/16 4608 7575 11537 10886 3527
  192.231.145.0/24     4608 7575 11537 10886 3527   
  192.231.146.0/23     4777 2497 11164 10886 3527   
  192.231.146.0/24     4777 2516 3356 15029 15029 15029 19050 3527 3527 3527 3527 3527 3527 3527   
  192.231.147.0/24     4608 7575 11537 10886 3527   

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

AS3527   8 More Specifics   15 Total Advertisements   NIH-NET - National Institutes of Health, US
    128.231.3.0/24                128.231.0.0/16
    128.231.245.0/24              128.231.0.0/16
    162.99.224.0/19               162.99.0.0/16
    165.112.0.0/20                165.112.0.0/16
    165.112.0.0/21                165.112.0.0/16
    165.112.136.0/21              165.112.0.0/16
    192.231.146.0/24              192.231.146.0/23
    192.231.147.0/24              192.231.146.0/23

Whois Entry

whois: 402603

IANA has recorded AS3527 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS3527\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:       3527
             ASName:         NIH-NET
             ASHandle:       AS3527
             RegDate:        1994-04-07
             Updated:        2022-10-28
             Ref:            https://rdap.arin.net/registry/autnum/3527
             
             
             OrgName:        National Institutes of Health
             OrgId:          NIH-Z
             Address:        9000 Rockville Pike
             Address:        MSC 4805
             City:           Bethesda
             StateProv:      MD
             PostalCode:     20892-4805
             Country:        US
             RegDate:        2022-10-09
             Updated:        2025-06-05
             Ref:            https://rdap.arin.net/registry/entity/NIH-Z
             
             
             OrgNOCHandle: NIHAD-ARIN
             OrgNOCName:   NIHadm
             OrgNOCPhone:  +1-301-402-3141 
             OrgNOCEmail:  citnsarin@mail.nih.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN
             
             OrgRoutingHandle: NIHTE-ARIN
             OrgRoutingName:   NIHtechs
             OrgRoutingPhone:  +1-301-402-3141 
             OrgRoutingEmail:  citnsarin@mail.nih.gov
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN
             
             OrgTechHandle: NIHTE-ARIN
             OrgTechName:   NIHtechs
             OrgTechPhone:  +1-301-402-3141 
             OrgTechEmail:  citnsarin@mail.nih.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/NIHTE-ARIN
             
             OrgDNSHandle: NIHAD-ARIN
             OrgDNSName:   NIHadm
             OrgDNSPhone:  +1-301-402-3141 
             OrgDNSEmail:  citnsarin@mail.nih.gov
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NIHAD-ARIN
             
             OrgAbuseHandle: NIHTE-ARIN
             OrgAbuseName:   NIHtechs
             OrgAbusePhone:  +1-301-402-3141 
             OrgAbuseEmail:  citnsarin@mail.nih.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NIHTE-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.
             #