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Data as of Nov 8, 2026

216.195.72.0/24

No anonymizer space · no proxy exits in 30 days

Quest Diagnostics, Inc. · space held by CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
AS27021
Type
Unknown
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
216.195.64.0/19
since Feb 2019
AS62HostingCyrusOne LLC

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
216.195.64.0/198,192CYRS-CIN-BLK1CyrusOne LLC (CL-260) · USDirect AllocationOct 28, 2003abuse@cyrusone.com
└ 216.195.72.0/24256CBTS-1196-MEDPLUSMedPlus (C00724555) · USReassignedDec 11, 2003abuse@cyrusone.com
via CYRS-CIN-BLK1

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
CyrusOne LLC
Handle
CL-260
Range
216.195.64.0/19
Registration type
Direct Allocation
Record created
Oct 28, 2003
Origin network

AS27021

US
Name
Quest Diagnostics, Inc.
Type
Business
Registered
Jan 14, 2003
Domain
questdiagnostics.com
Industry
Software Development
Spamhaus ASN-DROP
not listed