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	Prefix	Description
	24.38.21.0/24	CATHOLIC HEALTH SERVICES OF LI
	65.51.115.0/24	CATHOLIC HEALTH SERVICES OF LI
	160.72.214.0/24	Catholic Health System of Long Island, Inc
	148.76.174.0/24	CATHOLIC HEALTH SERVICES OF LI

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS54004	Cablevision Lightpath LLC	✔	✘
	AS46887	Zayo Bandwidth	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS54004	Cablevision Lightpath LLC	✔	✘
	AS46887	Zayo Bandwidth	✔	✘

ASHandle:       AS400423
OrgID:          CHSLI
ASName:         CATHOLIC-HEALTH
ASNumber:       400423
RegDate:        2022-01-31
Updated:        2022-01-31
Source:         ARIN



OrgID:          CHSLI
OrgName:        Catholic Health
CanAllocate:    
Street:         992 North Village Ave.
City:           Rockville Centre
State/Prov:     NY
Country:        US
PostalCode:     11570
RegDate:        2022-01-25
Updated:        2022-01-27
OrgAdminHandle: GRUNW3-ARIN
OrgTechHandle:  GRUNW3-ARIN
OrgAbuseHandle: GRUNW3-ARIN
Source:         ARIN





OrgAdminHandle:       GRUNW3-ARIN
OrgAdminName:         Ed Grunwald
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        GRUNW3-ARIN
OrgTechName:          Ed Grunwald
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       GRUNW3-ARIN
OrgAbuseName:         Ed Grunwald
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:27:34Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf	1539
ARIN	as6128:as-customers	781
RADB	as-ccf-test	1461