ASN AS54323 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS54323?

AS54323 is listed under Maimonides Medical Center.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

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AS54323 Maimonides Medical Center

ASN Lookup Tool

Maimonides Medical Center maimonidesmed.org

US 4 Routes

AS Data

AS54323

AS54323 – Maimonides Medical Center

AS Number	54323
AS Name	MMC-AS-NOV2011
Organization	Maimonides Medical Center(mmc-165)
Country	US
Website	maimonidesmed.org
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-12-20

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Use ASN data for AS54323 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
216.134.180.0/22	AS54323	Maimonides Medical Center	Maimonides Medical Center	1024
216.134.184.0/22	AS54323	Maimonides Medical Center	Maimonides Medical Center	1024
216.134.188.0/22	AS54323	Maimonides Medical Center	Maimonides Medical Center	1024
216.134.176.0/22	AS54323	Maimonides Medical Center	Maimonides Medical Center	1024

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:       54323
ASName:         MMC-AS-NOV2011
ASHandle:       AS54323
RegDate:        2011-12-20
Updated:        2011-12-20
Comment:        Support Center 24/7/365 718-283-4357
Comment:        
Comment:        Senior Director Technical Services
Comment:        718-283-1863
Comment:        
Comment:        Director Information Security
Comment:        718-283-1875    
Ref:            https://rdap.arin.net/registry/autnum/54323


OrgName:        Maimonides Medical Center
OrgId:          MMC-165
Address:        1045 39 Street
City:           Brooklyn
StateProv:      NY
PostalCode:     11219
Country:        US
RegDate:        2011-06-15
Updated:        2024-06-21
Ref:            https://rdap.arin.net/registry/entity/MMC-165


OrgDNSHandle: SANDU29-ARIN
OrgDNSName:   Sandu, Gabriel 
OrgDNSPhone:  +1-718-283-1863 
OrgDNSEmail:  gsandu@maimo.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/SANDU29-ARIN

OrgNOCHandle: SANDU29-ARIN
OrgNOCName:   Sandu, Gabriel 
OrgNOCPhone:  +1-718-283-1863 
OrgNOCEmail:  gsandu@maimo.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/SANDU29-ARIN

OrgAbuseHandle: MANCU-ARIN
OrgAbuseName:   Mancuso, Anthony 
OrgAbusePhone:  +1-347-831-6717 
OrgAbuseEmail:  amancuso@maimonidesmed.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MANCU-ARIN

OrgTechHandle: SANDU29-ARIN
OrgTechName:   Sandu, Gabriel 
OrgTechPhone:  +1-718-283-1863 
OrgTechEmail:  gsandu@maimo.org
OrgTechRef:    https://rdap.arin.net/registry/entity/SANDU29-ARIN

OrgAbuseHandle: SANDU29-ARIN
OrgAbuseName:   Sandu, Gabriel 
OrgAbusePhone:  +1-718-283-1863 
OrgAbuseEmail:  gsandu@maimo.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SANDU29-ARIN

OrgDNSHandle: MANCU-ARIN
OrgDNSName:   Mancuso, Anthony 
OrgDNSPhone:  +1-347-831-6717 
OrgDNSEmail:  amancuso@maimonidesmed.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/MANCU-ARIN

OrgNOCHandle: MANCU-ARIN
OrgNOCName:   Mancuso, Anthony 
OrgNOCPhone:  +1-347-831-6717 
OrgNOCEmail:  amancuso@maimonidesmed.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/MANCU-ARIN

OrgRoutingHandle: SANDU29-ARIN
OrgRoutingName:   Sandu, Gabriel 
OrgRoutingPhone:  +1-718-283-1863 
OrgRoutingEmail:  gsandu@maimo.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/SANDU29-ARIN

OrgRoutingHandle: MANCU-ARIN
OrgRoutingName:   Mancuso, Anthony 
OrgRoutingPhone:  +1-347-831-6717 
OrgRoutingEmail:  amancuso@maimonidesmed.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MANCU-ARIN

OrgTechHandle: MANCU-ARIN
OrgTechName:   Mancuso, Anthony 
OrgTechPhone:  +1-347-831-6717 
OrgTechEmail:  amancuso@maimonidesmed.org
OrgTechRef:    https://rdap.arin.net/registry/entity/MANCU-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

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS54004	Cablevision Lightpath LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS54004	Cablevision Lightpath LLC	US