Report for 3688

Name

HSS-1 - Hospital for Special Surgery, 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.

3688 HSS-1 - Hospital for Special Surgery, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34639 AS3688         ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  HSS-1 - Hospital for Special Surgery, 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       %
20549 AS3688        HSS-1 - Hospital for Special Surgery, US           3      2      1      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  74.117.136.0/23      4777 2516 1299 46887 3688   
  74.117.136.0/23      4777 32787 3688      + Announce - aggregate of 74.117.136.0/24 (4777 32787 3688) and 74.117.137.0/24 (4777 32787 3688)
  74.117.136.0/24      4777 32787 3688      - Withdrawn - aggregated with 74.117.137.0/24 (4777 32787 3688)
  74.117.137.0/24      4777 32787 3688      - Withdrawn - aggregated with 74.117.136.0/24 (4777 32787 3688)

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

AS3688   3 More Specifics   3 Total Advertisements   HSS-1 - Hospital for Special Surgery, US
    74.117.136.0/23               74.117.136.0/22
    74.117.136.0/24               74.117.136.0/22
    74.117.137.0/24               74.117.136.0/22

Whois Entry

whois: 402603

IANA has recorded AS3688 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS3688\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:       3688
             ASName:         HSS-1
             ASHandle:       AS3688
             RegDate:        2009-09-04
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/3688
             
             
             OrgName:        Hospital for Special Surgery
             OrgId:          NEWYO-28
             Address:        535 East 70th Street
             City:           New York
             StateProv:      NY
             PostalCode:     10021
             Country:        US
             RegDate:        2009-07-27
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/NEWYO-28
             
             
             OrgAbuseHandle: NOC11087-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-212-606-1000 
             OrgAbuseEmail:  MohammedA@HSS.EDU
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC11087-ARIN
             
             OrgTechHandle: NOC11087-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-212-606-1000 
             OrgTechEmail:  MohammedA@HSS.EDU
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC11087-ARIN
             
             RNOCHandle: NOC11087-ARIN
             RNOCName:   Network Operations Center
             RNOCPhone:  +1-212-606-1000 
             RNOCEmail:  MohammedA@HSS.EDU
             RNOCRef:    https://rdap.arin.net/registry/entity/NOC11087-ARIN
             
             RTechHandle: NOC11087-ARIN
             RTechName:   Network Operations Center
             RTechPhone:  +1-212-606-1000 
             RTechEmail:  MohammedA@HSS.EDU
             RTechRef:    https://rdap.arin.net/registry/entity/NOC11087-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.
             #