Report for 55209

Name

HACKENSACKUMC - Hackensack University Medical Center, 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.

55209 HACKENSACKUMC - Hackensack University Medical Center, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS1436          HACKENSACK-MERIDIAN-HEALTH - Meridian Health System, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
37273 AS55209        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  HACKENSACKUMC - Hackensack University Medical Center, 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       %
23973 AS55209       HACKENSACKUMC - Hackensack University Medical      4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  8.27.78.0/24         4608 7575 11537 62532 1436 55209   
  24.38.86.0/24        4777 2497 7018 55209 55209   
  198.148.152.0/23     4777 2497 7018 55209 55209 + Announce - aggregate of 198.148.152.0/24 (4777 2497 7018 55209 55209) and 198.148.153.0/24 (4777 2497 7018 55209 55209)
  198.148.152.0/24     4777 2497 7018 55209 55209 - Withdrawn - aggregated with 198.148.153.0/24 (4777 2497 7018 55209 55209)
  198.148.153.0/24     4777 2497 7018 55209 55209 - Withdrawn - aggregated with 198.148.152.0/24 (4777 2497 7018 55209 55209)

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

AS55209   4 More Specifics   4 Total Advertisements   HACKENSACKUMC - Hackensack University Medical Center, US
    8.27.78.0/24                  8.16.0.0/12
    24.38.86.0/24                 24.38.0.0/17
    198.148.152.0/24              198.148.152.0/23
    198.148.153.0/24              198.148.152.0/23

Whois Entry

whois: 402332

IANA has recorded AS55209 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS55209\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:       55209
             ASName:         HACKENSACKUMC
             ASHandle:       AS55209
             RegDate:        2013-04-22
             Updated:        2013-04-22
             Ref:            https://rdap.arin.net/registry/autnum/55209
             
             
             OrgName:        Hackensack University Medical Center
             OrgId:          HUMC-4
             Address:        499 Thornall Street
             City:           Edison
             StateProv:      NJ
             PostalCode:     08837
             Country:        US
             RegDate:        2012-11-08
             Updated:        2023-04-03
             Ref:            https://rdap.arin.net/registry/entity/HUMC-4
             
             
             OrgAbuseHandle: HAESL-ARIN
             OrgAbuseName:   Haesloop, John 
             OrgAbusePhone:  +1-732-897-7200 
             OrgAbuseEmail:  john.haesloop@hmhn.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HAESL-ARIN
             
             OrgTechHandle: TORRE7-ARIN
             OrgTechName:   Torre, Dennis 
             OrgTechPhone:  +1-732-897-7200 
             OrgTechEmail:  dennis.torre@hmhn.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/TORRE7-ARIN
             
             OrgTechHandle: HAESL-ARIN
             OrgTechName:   Haesloop, John 
             OrgTechPhone:  +1-732-897-7200 
             OrgTechEmail:  john.haesloop@hmhn.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/HAESL-ARIN
             
             OrgDNSHandle: TORRE7-ARIN
             OrgDNSName:   Torre, Dennis 
             OrgDNSPhone:  +1-732-897-7200 
             OrgDNSEmail:  dennis.torre@hmhn.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/TORRE7-ARIN
             
             OrgAbuseHandle: TORRE7-ARIN
             OrgAbuseName:   Torre, Dennis 
             OrgAbusePhone:  +1-732-897-7200 
             OrgAbuseEmail:  dennis.torre@hmhn.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TORRE7-ARIN
             
             OrgTechHandle: NETWO7121-ARIN
             OrgTechName:   Network Engineering
             OrgTechPhone:  +1-732-897-7200 
             OrgTechEmail:  dgitnetworkengineering@hmhn.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7121-ARIN
             
             OrgRoutingHandle: HAESL-ARIN
             OrgRoutingName:   Haesloop, John 
             OrgRoutingPhone:  +1-732-897-7200 
             OrgRoutingEmail:  john.haesloop@hmhn.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/HAESL-ARIN
             
             OrgAbuseHandle: NETWO7121-ARIN
             OrgAbuseName:   Network Engineering
             OrgAbusePhone:  +1-732-897-7200 
             OrgAbuseEmail:  dgitnetworkengineering@hmhn.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO7121-ARIN
             
             OrgRoutingHandle: TORRE7-ARIN
             OrgRoutingName:   Torre, Dennis 
             OrgRoutingPhone:  +1-732-897-7200 
             OrgRoutingEmail:  dennis.torre@hmhn.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/TORRE7-ARIN
             
             OrgDNSHandle: HAESL-ARIN
             OrgDNSName:   Haesloop, John 
             OrgDNSPhone:  +1-732-897-7200 
             OrgDNSEmail:  john.haesloop@hmhn.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/HAESL-ARIN
             
             OrgNOCHandle: NETWO7121-ARIN
             OrgNOCName:   Network Engineering
             OrgNOCPhone:  +1-732-897-7200 
             OrgNOCEmail:  dgitnetworkengineering@hmhn.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO7121-ARIN
             
             OrgNOCHandle: HAESL-ARIN
             OrgNOCName:   Haesloop, John 
             OrgNOCPhone:  +1-732-897-7200 
             OrgNOCEmail:  john.haesloop@hmhn.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/HAESL-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.
             #