ASN AS11523 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11523?

AS11523 is listed under H. Lee Moffitt Cancer Center & Research Institute, Inc..

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS11523 H. Lee Moffitt Cancer Center & Research Institute, Inc.

ASN Lookup Tool

H. Lee Moffitt Cancer Center & Research Institute, Inc. moffitt.org

US 5 Routes

AS Data

AS11523

AS11523 – H. Lee Moffitt Cancer Center & Research Institute, Inc.

AS Number	11523
AS Name	AS-HLEEM
Organization	H. Lee Moffitt Cancer Center & Research Institute, Inc.(hleem)
Country	US
Website	moffitt.org
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-05-22

ASN Intelligence API for production workflows

Use ASN data for AS11523 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
206.81.167.0/24	AS11523	H. Lee Moffitt Cancer Center & Research Institute, Inc.	H. Lee Moffitt Cancer Center & Research Institute, Inc.	256
206.81.166.0/24	AS11523	H. Lee Moffitt Cancer Center & Research Institute, Inc.	H. Lee Moffitt Cancer Center & Research Institute, Inc.	256
206.81.164.0/24	AS11523	H. Lee Moffitt Cancer Center & Research Institute, Inc.	H. Lee Moffitt Cancer Center & Research Institute, Inc.	256
206.81.165.0/24	AS11523	H. Lee Moffitt Cancer Center & Research Institute, Inc.	H. Lee Moffitt Cancer Center & Research Institute, Inc.	256
206.81.164.0/22	AS11523	H. Lee Moffitt Cancer Center & Research Institute, Inc.	H. Lee Moffitt Cancer Center & Research Institute, Inc.	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:       11523
ASName:         AS-HLEEM
ASHandle:       AS11523
RegDate:        2007-05-22
Updated:        2012-02-24
Comment:        http://www.moffitt.org    
Ref:            https://rdap.arin.net/registry/autnum/11523


OrgName:        H. Lee Moffitt Cancer Center & Research Institute, Inc.
OrgId:          HLEEM
Address:        12902 Magnolia Dr
City:           Tampa
StateProv:      FL
PostalCode:     33612-9497
Country:        US
RegDate:        2006-10-16
Updated:        2024-11-11
Comment:        Addresses within this block are non-portable.
Ref:            https://rdap.arin.net/registry/entity/HLEEM


OrgAbuseHandle: INFOR35-ARIN
OrgAbuseName:   Information Security
OrgAbusePhone:  +1-813-745-5400 
OrgAbuseEmail:  thomas.tokarczyk@moffitt.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/INFOR35-ARIN

OrgTechHandle: TOKAR23-ARIN
OrgTechName:   Tokarczyk, Tom 
OrgTechPhone:  +1-813-745-6774 
OrgTechEmail:  Tom.Tokarczyk@moffitt.org
OrgTechRef:    https://rdap.arin.net/registry/entity/TOKAR23-ARIN

OrgAbuseHandle: TOKAR23-ARIN
OrgAbuseName:   Tokarczyk, Tom 
OrgAbusePhone:  +1-813-745-6774 
OrgAbuseEmail:  Tom.Tokarczyk@moffitt.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TOKAR23-ARIN

OrgTechHandle: INFOR35-ARIN
OrgTechName:   Information Security
OrgTechPhone:  +1-813-745-5400 
OrgTechEmail:  thomas.tokarczyk@moffitt.org
OrgTechRef:    https://rdap.arin.net/registry/entity/INFOR35-ARIN

RAbuseHandle: INFOR35-ARIN
RAbuseName:   Information Security
RAbusePhone:  +1-813-745-5400 
RAbuseEmail:  thomas.tokarczyk@moffitt.org
RAbuseRef:    https://rdap.arin.net/registry/entity/INFOR35-ARIN

RTechHandle: INFOR35-ARIN
RTechName:   Information Security
RTechPhone:  +1-813-745-5400 
RTechEmail:  thomas.tokarczyk@moffitt.org
RTechRef:    https://rdap.arin.net/registry/entity/INFOR35-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
AS3356	Level 3 Parent, LLC	US
AS11096	FloridaNet	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS11096	FloridaNet	US