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AS53269 Northwestern Memorial Hospital

Q: Why is WHOIS data shown for an ASN?

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

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Northwestern Memorial Hospital nm.org

US 0 Routes

AS Data

AS53269

AS53269 – Northwestern Memorial Hospital

AS Number	53269
AS Name	NMH
Organization	Northwestern Memorial Hospital (nmh-1)
Country	US
Website	nm.org
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2009-07-16

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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:       53269
ASName:         NMH
ASHandle:       AS53269
RegDate:        2009-07-16
Updated:        2012-03-02
Ref:            https://rdap.arin.net/registry/autnum/53269


OrgName:        Northwestern Memorial Hospital
OrgId:          NMH-1
Address:        259 East Erie Street
City:           Chicago
StateProv:      IL
PostalCode:     60611
Country:        US
RegDate:        1993-03-31
Updated:        2024-03-19
Ref:            https://rdap.arin.net/registry/entity/NMH-1


OrgTechHandle: BROWJ2-ARIN
OrgTechName:   Brow, John 
OrgTechPhone:  +1-312-695-2244 
OrgTechEmail:  jbrow@nm.org
OrgTechRef:    https://rdap.arin.net/registry/entity/BROWJ2-ARIN

OrgDNSHandle: JOHNS4388-ARIN
OrgDNSName:   Johnson, Terrance 
OrgDNSPhone:  +1-312-926-5875 
OrgDNSEmail:  tmjohnso@nm.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/JOHNS4388-ARIN

OrgDNSHandle: BROWJ2-ARIN
OrgDNSName:   Brow, John 
OrgDNSPhone:  +1-312-695-2244 
OrgDNSEmail:  jbrow@nm.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/BROWJ2-ARIN

OrgTechHandle: JOHNS4388-ARIN
OrgTechName:   Johnson, Terrance 
OrgTechPhone:  +1-312-926-5875 
OrgTechEmail:  tmjohnso@nm.org
OrgTechRef:    https://rdap.arin.net/registry/entity/JOHNS4388-ARIN

OrgAbuseHandle: JOHNS4388-ARIN
OrgAbuseName:   Johnson, Terrance 
OrgAbusePhone:  +1-312-926-5875 
OrgAbuseEmail:  tmjohnso@nm.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JOHNS4388-ARIN

OrgAbuseHandle: BROWJ2-ARIN
OrgAbuseName:   Brow, John 
OrgAbusePhone:  +1-312-695-2244 
OrgAbuseEmail:  jbrow@nm.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BROWJ2-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" : "53269",
    "as_handle" : "AS53269",
    "as_name" : "NMH",
    "admin_contacts" : [ "JOHNS4388-ARIN", "BROWJ2-ARIN" ],
    "tech_contacts" : [ "BROWJ2-ARIN", "JOHNS4388-ARIN" ],
    "abuse_contacts" : [ "JOHNS4388-ARIN", "BROWJ2-ARIN" ],
    "date_created" : "2009-07-16",
    "date_updated" : "2012-03-02",
    "source" : "https://rdap.arin.net/registry/autnum/53269"
  } ],
  "organization" : {
    "handle" : "NMH-1",
    "name" : "Northwestern Memorial Hospital",
    "address" : [ "259 East Erie Street", "Chicago", "IL", "60611", "US" ],
    "street" : "East Erie Street",
    "city" : "Chicago",
    "state" : "IL",
    "zip_code" : "60611",
    "country" : [ "US" ],
    "date_created" : "1993-03-31",
    "date_updated" : "2024-03-19",
    "source" : "https://rdap.arin.net/registry/entity/NMH-1",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "JOHNS4388-ARIN",
    "name" : "Johnson, Terrance",
    "email" : [ "tmjohnso@nm.org" ],
    "phone" : [ "+1-312-926-5875" ],
    "source" : "https://rdap.arin.net/registry/entity/JOHNS4388-ARIN"
  }, {
    "handle" : "BROWJ2-ARIN",
    "name" : "Brow, John",
    "email" : [ "jbrow@nm.org" ],
    "phone" : [ "+1-312-695-2244" ],
    "source" : "https://rdap.arin.net/registry/entity/BROWJ2-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "BROWJ2-ARIN",
    "name" : "Brow, John",
    "email" : [ "jbrow@nm.org" ],
    "phone" : [ "+1-312-695-2244" ],
    "source" : "https://rdap.arin.net/registry/entity/BROWJ2-ARIN"
  }, {
    "handle" : "JOHNS4388-ARIN",
    "name" : "Johnson, Terrance",
    "email" : [ "tmjohnso@nm.org" ],
    "phone" : [ "+1-312-926-5875" ],
    "source" : "https://rdap.arin.net/registry/entity/JOHNS4388-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JOHNS4388-ARIN",
    "name" : "Johnson, Terrance",
    "email" : [ "tmjohnso@nm.org" ],
    "phone" : [ "+1-312-926-5875" ],
    "source" : "https://rdap.arin.net/registry/entity/JOHNS4388-ARIN"
  }, {
    "handle" : "BROWJ2-ARIN",
    "name" : "Brow, John",
    "email" : [ "jbrow@nm.org" ],
    "phone" : [ "+1-312-695-2244" ],
    "source" : "https://rdap.arin.net/registry/entity/BROWJ2-ARIN"
  } ]
}

Frequently Asked Questions

What is ASN AS53269?

ASN AS53269 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS53269?

AS53269 is listed under Northwestern Memorial Hospital.

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.