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	Prefix	Description
	65.220.102.0/24	Duquesne Capital Management

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS30053
OrgID:          DCML-4
ASName:         DUQUESNE-CAPITAL-MANAGEMENT-LLC
ASNumber:       30053
RegDate:        2003-07-09
Updated:        2012-03-02
Source:         ARIN



OrgID:          DCML-4
OrgName:        DUQUESNE CAPITAL MANAGEMENT LLC
CanAllocate:    
Street:         40 West 57th Street
Street:         25th Floor
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10019
RegDate:        2002-10-16
Updated:        2011-09-27
OrgAdminHandle: JMA27-ARIN
OrgTechHandle:  JMA27-ARIN
OrgAbuseHandle: JMA27-ARIN
Source:         ARIN





OrgAdminHandle:       JMA27-ARIN
OrgAdminName:         Joseph Mansfield
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        JMA27-ARIN
OrgTechName:          Joseph Mansfield
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       JMA27-ARIN
OrgAbuseName:         Joseph Mansfield
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:25:54Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as174:as-cogc-034	34