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	Prefix	Description
	143.48.0.0/17	Cold Spring Harbor Laboratory
	143.48.0.0/16	Cold Spring Harbor Laboratory
	143.48.128.0/17	Cold Spring Harbor Laboratory
	143.48.210.0/24	Cold Spring Harbor Laboratory
	143.48.220.0/24	Cold Spring Harbor Laboratory

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

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

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Peers

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

ASHandle:       AS13748
OrgID:          CSHL
ASName:         CSHL
ASNumber:       13748
RegDate:        2014-04-17
Comment:        http://www.cshl.edu
Updated:        2014-04-17
Source:         ARIN



OrgID:          CSHL
OrgName:        Cold Spring Harbor Laboratory
CanAllocate:    
Street:         Bungtown Road
City:           Cold Spring Harbor
State/Prov:     NY
Country:        US
PostalCode:     11724
RegDate:        1990-03-26
Updated:        2007-02-02
OrgAdminHandle: NAC53-ARIN
OrgTechHandle:  NTC10-ARIN
OrgAbuseHandle: NAC54-ARIN
OrgNOCHandle:   NOC2442-ARIN
Source:         ARIN





OrgAdminHandle:       NAC53-ARIN
OrgAdminName:          Network Administrative Contact
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NTC10-ARIN
OrgTechName:           Network Technical Contact
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NAC54-ARIN
OrgAbuseName:          Network Abuse Complaints
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NOC2442-ARIN
OrgNOCName:            Network Operations Center
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:26:54Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as6128:as-customers	781
RADB	as-ccf	1539
RADB	as-ccf-test	1461
RADB	as-pnapnyc	352