LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

64.238.144.0/20

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
AS62
Type
Hosting
94% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
64.238.159.0/24
since May 2018
AS36607BusinessCyrusOne 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
64.238.144.0/204,096CERVALIS-1BLKCyrusOne LLC (CL-260) · USDirect AllocationFeb 18, 2010abuse@cyrusone.com
└ 64.238.144.0/2816CYRUSONE--64-238-144-0-28unknown———
└ 64.238.144.32/2816CYRUSONE--64-238-144-32-28unknown———
└ 64.238.144.48/304CYRUSONE--C0001704-64-238-144-48-30unknown———
└ 64.238.144.52/304CYRUSONE--C0001704-64-238-144-52-30unknown———
└ 64.238.144.56/304CYRUSONE--C0001278-64-238-144-56-30unknown———
└ 64.238.144.60/304CYRUSONE--C0001278-64-238-144-60-30unknown———
└ 64.238.144.96/304CYRUSONE--64-238-144-96-30unknown———
└ 64.238.144.120/298CYRUSONE--64-238-144-120-29unknown———
└ 64.238.144.128/298CYRUSONE--C0001647-64-238-144-128-29unknown———
└ 64.238.144.136/298CYRUSONE--C0001647-64-238-144-136-29unknown———
└ 64.238.144.160/2816CYRUSONE--C0000956-64-238-144-160-28unknown———
└ 64.238.144.176/298CYRUSONE--64-238-144-176-29unknown———
└ 64.238.144.188/304CYRUSONE--64-238-144-188-30unknown———
└ 64.238.144.192/2732CYRUSONE--64-238-144-192-27unknown———
└ 64.238.144.224/2816CYRUSONE--C0000975-64-238-144-224-28unknown———
└ 64.238.144.240/2816CYRUSONE--64-238-144-240-28unknown———
└ 64.238.145.128/2816CYRUSONE--64-238-145-128-28unknown———
└ 64.238.145.152/298CYRUSONE--64-238-145-152-29unknown———
└ 64.238.145.192/2732CYRUSONE--64-238-145-192-27unknown———
└ 64.238.145.232/298CYRUSONE--C0000025-64-238-145-232-29unknown———
└ 64.238.145.248/298CYRUSONE--64-238-145-248-29unknown———
└ 64.238.146.24/298CYRUSONE--C0001610-64-238-146-24-29unknown———
└ 64.238.146.32/2816CYRUSONE--C0000956-64-238-146-32-28unknown———
└ 64.238.146.48/304CYRUSONE--C0000909-64-238-146-48-30unknown———
└ 64.238.146.52/304CYRUSONE--C0000909-64-238-146-52-30unknown———
└ 64.238.146.80/298CYRUSONE--64-238-146-80-29unknown———
└ 64.238.146.88/298CYRUSONE--64-238-146-88-29unknown———
└ 64.238.146.96/2816CYRUSONE--64-238-146-96-28unknown———
└ 64.238.146.112/2816CYRUSONE--C0000971-64-238-146-112-28unknown———
└ 64.238.146.128/2664CYRUSONE--64-238-146-128-26unknown———
└ 64.238.146.200/298CYRUSONE--64-238-146-200-29unknown———
└ 64.238.147.0/25128CYRUSONE--64-238-147-0-25unknown———
└ 64.238.147.128/2732CYRUSONE--C0001692-64-238-147-128-27unknown———
└ 64.238.147.192/2664CYRUSONE--C0000935-64-238-147-192-26unknown———
└ 64.238.148.48/2816CYRUSONE--64-238-148-48-28unknown———
└ 64.238.148.64/2732CYRUSONE--C0001704-64-238-148-64-27unknown———
└ 64.238.149.32/2732CYRUSONE--64-238-149-32-27unknown———
└ 64.238.149.88/298CYRUSONE--64-238-149-88-29unknown———
└ 64.238.149.128/2732CYRUSONE--C0000945-64-238-149-128-27unknown———
└ 64.238.149.240/304CYRUSONE--V0003148-64-238-149-240-30unknown———
└ 64.238.150.144/2816CYRUSONE--64-238-150-144-28unknown———
└ 64.238.150.208/298CYRUSONE--C0000902-64-238-150-208-29unknown———
└ 64.238.151.0/2732CYRUSONE--C0000464-64-238-151-0-27unknown———
└ 64.238.151.32/2732CYRUSONE--C0001659-64-238-151-32-27unknown———
└ 64.238.151.128/2816CYRUSONE--64-238-151-128-28unknown———
└ 64.238.151.192/2816CYRUSONE--64-238-151-192-28unknown———
└ 64.238.151.224/298CYRUSONE--C0000939-64-238-151-224-29unknown———
└ 64.238.152.0/298CYRUSONE--64-238-152-0-29unknown———
└ 64.238.153.64/2664CYRUSONE--64-238-153-64-26unknown———
└ 64.238.153.136/298CYRUSONE--C0000894-64-238-153-136-29unknown———
└ 64.238.154.24/304CYRUSONE--C0000943-64-238-154-24-30unknown———
└ 64.238.154.28/304CYRUSONE--C0000943-64-238-154-28-30unknown———
└ 64.238.154.96/2732CYRUSONE--64-238-154-96-27unknown———
└ 64.238.157.80/298CYRUSONE--64-238-157-80-29unknown———
└ 64.238.157.96/2732CYRUSONE--64-238-157-96-27unknown———
└ 64.238.157.224/2816CYRUSONE--C0000935-64-238-157-224-28unknown———
└ 64.238.157.240/298CYRUSONE--C0001084-64-238-157-240-29unknown———
└ 64.238.158.0/25128CYRUSONE--64-238-158-0-25unknown———
└ 64.238.159.0/24256CYRUSONE-64-238-159-0-24Association For Computing Machinery, Inc. (C06974857) · USReassignedMay 4, 2018abuse@cyrusone.com
via CERVALIS-1BLK

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Hosting3,84094%1
Business2566.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS62

US
Name
CyrusOne LLC
Type
Hosting
Registered
Sep 28, 2012
Domain
cyrusone.com
Website
www.cyrusone.com
Spamhaus ASN-DROP
not listed