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AS25936 MJHS Health System | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

MJHS Health System mjhs.org

US 2 Routes

AS Data

AS25936

AS25936 – MJHS Health System

AS Number	25936
AS Name	MJHS
Organization	MJHS Health System (mjhs)
Country	US
Website	mjhs.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-06-05

ASN Intelligence API for production workflows

Use ASN data for AS25936 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.116.198.0/23	AS25936	MJHS Health System	METROPOLITAN JEWISH HEALTH SYSTEM	512
198.153.223.0/24	AS25936	MJHS Health System	MJHS Health System	256

Raw Whois Response

#
# 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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "25936",
    "as_handle" : "AS25936",
    "as_name" : "MJHS",
    "tech_contacts" : [ "SN401-ARIN", "SN401-ARIN" ],
    "abuse_contacts" : [ "SN401-ARIN" ],
    "date_created" : "2002-06-05",
    "date_updated" : "2025-07-01",
    "source" : "https://rdap.arin.net/registry/autnum/25936"
  } ],
  "organization" : {
    "handle" : "MJHS",
    "name" : "MJHS Health System",
    "address" : [ "55 Water Street 46th Fl", "New York", "NY", "10041", "US" ],
    "street" : "Water Street",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10041",
    "country" : [ "US" ],
    "date_created" : "1998-12-09",
    "date_updated" : "2025-07-01",
    "source" : "https://rdap.arin.net/registry/entity/MJHS",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "SN401-ARIN",
    "name" : "Ng, Stephen",
    "email" : [ "sng@mjhs.org" ],
    "phone" : [ "+1-718-921-8849" ],
    "source" : "https://rdap.arin.net/registry/entity/SN401-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "SN401-ARIN",
    "name" : "Ng, Stephen",
    "email" : [ "sng@mjhs.org" ],
    "phone" : [ "+1-718-921-8849" ],
    "source" : "https://rdap.arin.net/registry/entity/SN401-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS701	Verizon Business/UUnet	US
AS701	Verizon Business	US
AS54004	Cablevision Lightpath LLC	US

Upstreams

AS Number	Description	Country
AS701	Verizon Business	US
AS54004	Cablevision Lightpath LLC	US

Frequently Asked Questions

What is ASN AS25936?

ASN AS25936 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25936?

AS25936 is listed under MJHS Health System.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.