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	Prefix	Description
	47.19.120.0/24	MEMORIAL SLOAN-KETTERING CANCER CENTER
	140.163.0.0/17	Memorial Sloan-Kettering Cancer Center
	140.163.0.0/16	Memorial Sloan-Kettering Cancer Center
	140.163.64.0/24	Memorial Sloan-Kettering Cancer Center
	140.163.70.0/24	Memorial Sloan-Kettering Cancer Center
	140.163.128.0/17	Memorial Sloan-Kettering Cancer Center
	140.163.254.0/24	Memorial Sloan-Kettering Cancer Center
	192.55.249.0/24	Memorial Sloan-Kettering Cancer Center

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS32787	Akamai (Prolexic)	✔	✘

ASHandle:       AS14822
OrgID:          MSK-1
ASName:         MSKCC
ASNumber:       14822
RegDate:        2021-12-06
Updated:        2025-02-24
Source:         ARIN



OrgID:          MSK-1
OrgName:        Memorial Sloan-Kettering Cancer Center
CanAllocate:    
Street:         1275 York Avenue
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10021
RegDate:        1970-01-01
Updated:        2025-02-24
OrgAdminHandle: NETSE6-ARIN
OrgTechHandle:  NETSE6-ARIN
OrgAbuseHandle: NETSE6-ARIN
Source:         ARIN





OrgAdminHandle:       NETSE6-ARIN
OrgAdminName:          netsec@msk-ARIN
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETSE6-ARIN
OrgTechName:           netsec@msk-ARIN
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETSE6-ARIN
OrgAbuseName:          netsec@msk-ARIN
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-11T03:29:42Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-kddcustomer2	8206
RADB	as-ccf	1506
RADB	as-telstra-intl-customers	11999
RADB	as-windstream-cust	2136
RADB	as10466:as-members	5
LEVEL3	as-level3-origins-na	0
RADB	as-ccf-test	1461
RADB	as-telstra-testing-1	11790
LEVEL3	as-level3-customers-na	0
ARIN	as6128:as-customers	775
RADB	as-prole	1194