Report for 25936

Name

MJHS - MJHS Health System, 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 AS4637) 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.

25936 MJH-SYSTEM - METROPOLITAN JEWISH HEALTH SYSTEM

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS19262   VZGNI-TRANSIT - Verizon Internet Services Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21800 AS25936  ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  MJH-SYSTEM - METROPOLITAN JEWISH HEALTH SYSTEM

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       %
16131 AS25936 MJH-SYSTEM - METROPOLITAN JEWISH HEALTH       1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  209.155.91.0/24      4637 3491 19262 25936   

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

AS25936   1 More Specifics   1 Total Advertisements   MJH-SYSTEM - METROPOLITAN JEWISH HEALTH SYSTEM
    209.155.91.0/24               209.155.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS25936 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25936\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:       25936
             ASName:         MJHS
             ASHandle:       AS25936
             RegDate:        2002-06-05
             Updated:        2025-07-01
             Ref:            https://rdap.arin.net/registry/autnum/25936
             
             
             OrgName:         MJHS Health System
             OrgId:          MJHS
             Address:        55 Water Street 46th Fl
             City:           New York
             StateProv:      NY
             PostalCode:     10041
             Country:        US
             RegDate:        1998-12-09
             Updated:        2025-07-01
             Ref:            https://rdap.arin.net/registry/entity/MJHS
             
             
             OrgTechHandle: SN401-ARIN
             OrgTechName:   Ng, Stephen 
             OrgTechPhone:  +1-718-921-8849 
             OrgTechEmail:  sng@mjhs.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/SN401-ARIN
             
             OrgAbuseHandle: SN401-ARIN
             OrgAbuseName:   Ng, Stephen 
             OrgAbusePhone:  +1-718-921-8849 
             OrgAbuseEmail:  sng@mjhs.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SN401-ARIN
             
             RTechHandle: SN401-ARIN
             RTechName:   Ng, Stephen 
             RTechPhone:  +1-718-921-8849 
             RTechEmail:  sng@mjhs.org
             RTechRef:    https://rdap.arin.net/registry/entity/SN401-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.
             #