ASN Lookup Tool

CoreSite coresite.com US US 0 Routes

AS Data

AS396300

AS396300CoreSite

AS Number 396300
AS Name CORESITE-RETIRED
Organization CoreSite(cowil)
Country US
Website coresite.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2017-05-01

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Use ASN data for AS396300 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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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:       396300
ASName:         CORESITE-RETIRED
ASHandle:       AS396300
RegDate:        2017-05-01
Updated:        2022-11-02    
Ref:            https://rdap.arin.net/registry/autnum/396300


OrgName:        CoreSite
OrgId:          COWIL
Address:        1001 17th St
Address:        Suite 500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2005-01-14
Updated:        2025-04-09
Ref:            https://rdap.arin.net/registry/entity/COWIL


OrgTechHandle: STANL503-ARIN
OrgTechName:   Stanley, Michael 
OrgTechPhone:  +1-202-827-7002 
OrgTechEmail:  michael.stanley@coresite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/STANL503-ARIN

OrgTechHandle: JFA116-ARIN
OrgTechName:   Favis, Jerome 
OrgTechPhone:  +1-213-216-1155 
OrgTechEmail:  jerome.favis@coresite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JFA116-ARIN

OrgTechHandle: CMM8-ARIN
OrgTechName:   Malayter, Christopher Michael
OrgTechPhone:  +1-608-301-5180 
OrgTechEmail:  chris.malayter@coresite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CMM8-ARIN

OrgTechHandle: JENSE37-ARIN
OrgTechName:   Jensen, John 
OrgTechPhone:  +1-571-612-7142 
OrgTechEmail:  john.jensen@coresite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JENSE37-ARIN

OrgTechHandle: REEDC55-ARIN
OrgTechName:   Reed, Christopher 
OrgTechPhone:  +1-213-327-1203 
OrgTechEmail:  chris.reed@coresite.com
OrgTechRef:    https://rdap.arin.net/registry/entity/REEDC55-ARIN

OrgNOCHandle: CORES4-ARIN
OrgNOCName:   Coresite OSC
OrgNOCPhone:  +1-866-777-2673 
OrgNOCEmail:  osc@coresite.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CORES4-ARIN

OrgAbuseHandle: CORES5-ARIN
OrgAbuseName:   CoreSite Abuse
OrgAbusePhone:  +1-866-777-2673 
OrgAbuseEmail:  abuse@coresite.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CORES5-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
AS45150 MphasiS BFL Ltd IN
AS2734 CoreSite US
AS45150 Mphasis Ltd, IN
AS393233 Ventiv Technology Inc. US
AS19275 Interval International, Inc. US
AS22330 Catalina Marketing Corporation US
AS55016 Imperium Inc. CA
AS62683 PREFIL TEC, INC US

Upstreams

AS Number Description Country
AS2734 CoreSite US

Downstreams

AS Number Description Country
AS45150 MphasiS BFL Ltd IN
AS393233 Ventiv Technology Inc. US
AS19275 Interval International, Inc. US
AS22330 Catalina Marketing Corporation US
AS55016 Imperium Inc. CA
AS62683 PREFIL TEC, INC US

Contacts

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Frequently Asked Questions

ASN AS396300 is an Autonomous System Number used to identify a network for BGP internet routing.
AS396300 is listed under CoreSite.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.