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	Prefix	Description
	63.118.79.0/24	WESTFIELD CAPITAL MANAGEMENT COMPANY, L P

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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	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘

ASHandle:       AS18684
OrgID:          WCMCL
ASName:         WCM-ASN
ASNumber:       18684
RegDate:        2007-05-03
Updated:        2012-03-02
Source:         ARIN



OrgID:          WCMCL
OrgName:        Westfield Capital Management Company, LLC
CanAllocate:    
Street:         1 Financial Center
Street:         24th Floor
City:           Boston
State/Prov:     MA
Country:        US
PostalCode:     02111
RegDate:        2007-04-30
Updated:        2011-09-24
OrgAdminHandle: KDI20-ARIN
OrgTechHandle:  KDI20-ARIN
OrgAbuseHandle: KDI20-ARIN
Source:         ARIN





OrgAdminHandle:       KDI20-ARIN
OrgAdminName:         Karen DiGravio
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        KDI20-ARIN
OrgTechName:          Karen DiGravio
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       KDI20-ARIN
OrgAbuseName:         Karen DiGravio
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:27:26Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf	1492
RADB	as-ccf-test	1461