ASN AS22328 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS22328?

AS22328 is listed under Cedars Sinai Health Systems.

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.

AS22328 Cedars Sinai Health Systems

ASN Lookup Tool

Cedars Sinai Health Systems cshs.org

US 2 Routes

AS Data

AS22328

AS22328 – Cedars Sinai Health Systems

AS Number	22328
AS Name	CSHS
Organization	Cedars Sinai Health Systems(chs-84)
Country	US
Website	cshs.org
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-09-11

ASN Intelligence API for production workflows

Use ASN data for AS22328 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.203.204.0/24	AS22328	Cedars Sinai Health Systems	Cedars Sinai Health Systems	256
192.231.133.0/24	AS22328	Cedars Sinai Health Systems	Cedars Sinai Health Systems	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:       22328
ASName:         CSHS
ASHandle:       AS22328
RegDate:        2001-09-11
Updated:        2023-10-30    
Ref:            https://rdap.arin.net/registry/autnum/22328


OrgName:        Cedars-Sinai Health Systems
OrgId:          CHS-84
Address:        8700 Beverly Blvd
City:           Los Angeles
StateProv:      CA
PostalCode:     90048
Country:        US
RegDate:        2001-09-11
Updated:        2025-12-02
Ref:            https://rdap.arin.net/registry/entity/CHS-84


OrgAbuseHandle: BRIGM1-ARIN
OrgAbuseName:   Brigmann, Darren 
OrgAbusePhone:  +1-323-866-6559 
OrgAbuseEmail:  darren.brigmann@cshs.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BRIGM1-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:  +1-323-866-6559 
OrgTechEmail:  darren.brigmann@cshs.org
OrgTechRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

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

RTechHandle: BRIGM1-ARIN
RTechName:   Brigmann, Darren 
RTechPhone:  +1-323-866-6559 
RTechEmail:  darren.brigmann@cshs.org
RTechRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

RNOCHandle: BRIGM1-ARIN
RNOCName:   Brigmann, Darren 
RNOCPhone:  +1-323-866-6559 
RNOCEmail:  darren.brigmann@cshs.org
RNOCRef:    https://rdap.arin.net/registry/entity/BRIGM1-ARIN

RAbuseHandle: BRIGM1-ARIN
RAbuseName:   Brigmann, Darren 
RAbusePhone:  +1-323-866-6559 
RAbuseEmail:  darren.brigmann@cshs.org
RAbuseRef:    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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US

Upstreams

AS Number	Description	Country
AS13335	Cloudflare, Inc.	US