AS29721 Cedars-Sinai Health Systems

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	192.203.41.0/24	Cedars-Sinai Health Systems		192.203.41.0/24	ARIN
	192.231.86.0/24	Cedars-Sinai Health Systems		192.231.86.0/24	ARIN
	192.231.133.0/24	Cedars-Sinai Health Systems		192.231.133.0/24	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS13335	CLOUDFLARENET	Cloudflare, Inc.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS13335	CLOUDFLARENET	Cloudflare, Inc.
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       29721
ASName:         CSHS-ELSEGUNDO
ASHandle:       AS29721
RegDate:        2007-12-07
Updated:        2025-01-30    
Ref:            https://rdap.arin.net/registry/autnum/29721


OrgName:        Cedars-Sinai Health Systems
OrgId:          CMC-27
Address:        8700 Beverly Blvd
City:           Los Angeles
StateProv:      CA
PostalCode:     90048
Country:        US
RegDate:        1992-08-03
Updated:        2019-06-06
Ref:            https://rdap.arin.net/registry/entity/CMC-27


OrgTechHandle: CHANG11-ARIN
OrgTechName:   Chang, Tom 
OrgTechPhone:  +1-323-866-6495 
OrgTechEmail:  tom.chang@cshs.org
OrgTechRef:    https://rdap.arin.net/registry/entity/CHANG11-ARIN

OrgAbuseHandle: CHANG11-ARIN
OrgAbuseName:   Chang, Tom 
OrgAbusePhone:  +1-323-866-6495 
OrgAbuseEmail:  tom.chang@cshs.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHANG11-ARIN

OrgTechHandle: BRIGM1-ARIN
OrgTechName:   Brigmann, Darren 
OrgTechPhone:  +1-661-857-4911 
OrgTechEmail:  darren.brigmann@cshs.org
OrgTechRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

OrgAbuseHandle: BRIGM1-ARIN
OrgAbuseName:   Brigmann, Darren 
OrgAbusePhone:  +1-661-857-4911 
OrgAbuseEmail:  darren.brigmann@cshs.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

RNOCHandle: BRIGM1-ARIN
RNOCName:   Brigmann, Darren 
RNOCPhone:  +1-661-857-4911 
RNOCEmail:  darren.brigmann@cshs.org
RNOCRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

RAbuseHandle: BRIGM1-ARIN
RAbuseName:   Brigmann, Darren 
RAbusePhone:  +1-661-857-4911 
RAbuseEmail:  darren.brigmann@cshs.org
RAbuseRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

RTechHandle: BRIGM1-ARIN
RTechName:   Brigmann, Darren 
RTechPhone:  +1-661-857-4911 
RTechEmail:  darren.brigmann@cshs.org
RTechRef:    https://rdap.arin.net/registry/entity/BRIGM1-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 1997-2025, American Registry for Internet Numbers, Ltd.
#