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Data as of Nov 8, 2026

66.128.152.0/23

No anonymizer space · no proxy exits in 30 days

CoreSite

Announcement
this exact prefix
RPKI valid
Announced by
AS2734
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
66.128.144.0/204,096CORESITE-DIA-66CoreSite (COWIL) · USDirect AllocationFeb 26, 2004abuse@coresite.com
└ 66.128.152.8/298CAS-02559869unknown———
└ 66.128.152.16/298CAS-02588997unknown———
└ 66.128.152.32/298CAS-00068445unknown———
└ 66.128.152.64/298CAS-02184885unknown———
└ 66.128.152.80/298CAS-00086063unknown———
└ 66.128.152.88/304CAS-00086859unknown———
└ 66.128.152.120/298CAS-02276230unknown———
└ 66.128.152.128/2816CAS-02296364unknown———
└ 66.128.152.144/2816CAS-00089654unknown———
└ 66.128.152.160/298CAS-00091698unknown———
└ 66.128.152.168/304CAS-00091702unknown———
└ 66.128.152.176/298CAS-00093887unknown———
└ 66.128.152.184/304CAS-00094528unknown———
└ 66.128.152.192/2816CAS-00095705unknown———
└ 66.128.152.208/2816CAS-00095718unknown———
└ 66.128.152.224/298CAS-00095962unknown———
└ 66.128.152.240/2816CAS-00095700unknown———
└ 66.128.153.0/2816CAS-02445566unknown———
└ 66.128.153.16/298CAS-00097589unknown———
└ 66.128.153.40/298CAS-00594613unknown———
└ 66.128.153.56/298CAS-00646014unknown———
└ 66.128.153.104/298CAS-01893178unknown———
└ 66.128.153.112/298CAS-01902260unknown———
└ 66.128.153.120/298CAS-01962955unknown———
└ 66.128.153.128/2664CAS-01993917unknown———
└ 66.128.153.208/298CAS-02096483unknown———
└ 66.128.153.216/298CAS-02097452unknown———
└ 66.128.153.224/298CAS-02483511unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2734

US
Name
CoreSite
Type
Hosting
Registered
Sep 1, 2009
Domain
coresite.com
Website
www.coresite.com
Spamhaus ASN-DROP
not listed