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AS18684 Westfield Capital Management Company, LLC

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Westfield Capital Management Company, LLC wcmgmt.com

US 1 Routes

AS Data

AS18684

AS18684 – Westfield Capital Management Company, LLC

AS Number	18684
AS Name	WCM-ASN
Organization	Westfield Capital Management Company, LLC(wcmcl)
Country	US
Website	wcmgmt.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-05-03

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.118.79.0/24	AS18684	Westfield Capital Management Company, LLC	WESTFIELD CAPITAL MANAGEMENT COMPANY, L P	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       18684
ASName:         WCM-ASN
ASHandle:       AS18684
RegDate:        2007-05-03
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/18684


OrgName:        Westfield Capital Management Company, LLC
OrgId:          WCMCL
Address:        1 Financial Center
Address:        24th Floor
City:           Boston
StateProv:      MA
PostalCode:     02111
Country:        US
RegDate:        2007-04-30
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/WCMCL


OrgTechHandle: KDI20-ARIN
OrgTechName:   DiGravio, Karen 
OrgTechPhone:  +1-617-428-7100 
OrgTechEmail:  kdigravio@wcmgmt.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KDI20-ARIN

OrgAbuseHandle: KDI20-ARIN
OrgAbuseName:   DiGravio, Karen 
OrgAbusePhone:  +1-617-428-7100 
OrgAbuseEmail:  kdigravio@wcmgmt.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KDI20-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US

Frequently Asked Questions

What is ASN AS18684?

ASN AS18684 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18684?

AS18684 is listed under Westfield Capital Management Company, LLC.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.