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Data as of Nov 7, 2026

209.172.192.0/19

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
AS62
Type
Hosting
97% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
209.172.196.0/23
since Feb 2016
AS62HostingCyrusOne LLC
209.172.199.0/24
since Mar 2016
AS62HostingCyrusOne LLC
209.172.201.0/24
since Apr 2016
AS62HostingCyrusOne LLC
209.172.202.0/23
since May 2016
AS62HostingCyrusOne LLC
209.172.204.0/22
since Feb 2019
AS62HostingCyrusOne LLC
209.172.204.0/24
since Oct 2016
AS62HostingCyrusOne LLC
209.172.206.0/24
since Aug 2016
AS62HostingCyrusOne LLC
209.172.208.0/22
since Feb 2019
AS62HostingCyrusOne LLC
209.172.210.0/23
since Jul 2018
AS62HostingCyrusOne LLC
209.172.212.0/23
since Oct 2016
AS62HostingCyrusOne LLC
209.172.214.0/23
since Feb 2017
AS62HostingCyrusOne LLC
209.172.215.0/24
since Feb 2025
AS60269BusinessCyrusOne LLC
209.172.216.0/23
since May 2017
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
209.172.192.0/198,192GRAMTEL002CyrusOne LLC (CL-260) · USDirect AllocationNov 20, 1997abuse@cyrusone.com
└ 209.172.196.32/2732CYRUSONE--C0000848-209-172-196-32-27unknown———
└ 209.172.196.72/298CYRUSONE--C0001702-209-172-196-72-29unknown———
└ 209.172.196.80/2816CYRUSONE--C0000113-209-172-196-80-28unknown———
└ 209.172.196.96/304CYRUSONE--C0000017-209-172-196-96-30unknown———
└ 209.172.196.100/304CYRUSONE--C0000017-209-172-196-100-30unknown———
└ 209.172.196.112/2816CYRUSONE--C0001178-209-172-196-112-28unknown———
└ 209.172.196.128/2816CYRUSONE--C0000193-209-172-196-128-28unknown———
└ 209.172.196.144/2816CYRUSONE--C0001173-209-172-196-144-28unknown———
└ 209.172.196.160/2816CYRUSONE--209-172-196-160-28unknown———
└ 209.172.196.184/304CYRUSONE--C0000017-209-172-196-184-30unknown———
└ 209.172.196.188/304CYRUSONE--C0000017-209-172-196-188-30unknown———
└ 209.172.196.192/298CYRUSONE--C0000361-209-172-196-192-29unknown———
└ 209.172.196.208/304CYRUSONE--C0000361-209-172-196-208-30unknown———
└ 209.172.196.212/304CYRUSONE--C0000757-209-172-196-212-30unknown———
└ 209.172.196.240/2816CYRUSONE--C0001702-209-172-196-240-28unknown———
└ 209.172.197.4/304CYRUSONE--C0001702-209-172-197-4-30unknown———
└ 209.172.197.16/298CYRUSONE--C0000007-209-172-197-16-29unknown———
└ 209.172.197.48/2816CYRUSONE--C0000868-209-172-197-48-28unknown———
└ 209.172.197.64/2732CYRUSONE--C0000007-209-172-197-64-27unknown———
└ 209.172.197.96/2816CYRUSONE--C0001328-209-172-197-96-28unknown———
└ 209.172.197.112/2816CYRUSONE--C0001368-209-172-197-112-28unknown———
└ 209.172.197.128/304CYRUSONE--C0000193-209-172-197-128-30unknown———
└ 209.172.197.132/304CYRUSONE--C0000193-209-172-197-132-30unknown———
└ 209.172.197.136/298CYRUSONE--C0001702-209-172-197-136-29unknown———
└ 209.172.197.144/298CYRUSONE--C0000457-209-172-197-144-29unknown———
└ 209.172.197.184/298CYRUSONE--C0000361-209-172-197-184-29unknown———
└ 209.172.197.192/2664CYRUSONE--C0001364-209-172-197-192-26unknown———
└ 209.172.198.0/24256CYRUSONE--C0000080-209-172-198-0-24unknown———
└ 209.172.199.216/298CYRUSONE-209-172-199-216-29unknown———
└ 209.172.199.240/304CYRUSONE--C0000078-209-172-199-240-30unknown———
└ 209.172.199.248/304CYRUSONE--C0001265-209-172-199-248-30unknown———
└ 209.172.201.0/2664CYRUSONE--C0001090-209-172-201-0-26unknown———
└ 209.172.201.64/298CYRUSONE--C0001259-209-172-201-64-29unknown———
└ 209.172.201.80/2816CYRUSONE--C0000859--209-172-201-80-28unknown———
└ 209.172.201.96/2732CYRUSONE--209-172-201-96-27unknown———
└ 209.172.201.128/25128CYRUSONE--209-172-201-128-25unknown———
└ 209.172.202.136/304CYRUSONE--C0000245-209-172-202-136-30unknown———
└ 209.172.202.140/304CYRUSONE--C0000245-209-172-202-140-30unknown———
└ 209.172.202.144/298CYRUSONE--C0001586-209-172-202-144-29unknown———
└ 209.172.202.160/2732CYRUSONE--C0000018-209-172-202-160-27unknown———
└ 209.172.203.0/304CYRUSONE--C0000361-209-172-203-0-30unknown———
└ 209.172.203.4/304CYRUSONE-209-172-203-4-30unknown———
└ 209.172.203.8/298CYRUSONE--C0000361-209-172-203-8-29unknown———
└ 209.172.203.16/298CYRUSONE-209-172-203-16-29unknown———
└ 209.172.203.56/298CYRUSONE--C0001255-209-172-203-56-29unknown———
└ 209.172.204.0/24256CYRUSONE--C0000209-209-172-204-0-24Files Anywhere Inc (C06379962) · USReassignedMar 10, 2017abuse@cyrusone.com
via GRAMTEL002
└ 209.172.205.48/2816CYRUSONE--C0000080-209-172-205-48-28unknown———
└ 209.172.205.64/2816CYRUSONE--C0000686-209-172-205-64-28unknown———
└ 209.172.205.128/25128CYRUSONE--C0000092-209-172-205-128-25unknown———
└ 209.172.206.0/24256CYRUSONE--C0000209-209-172-206-0-24Files Anywhere Inc (C06379963) · USReassignedMar 10, 2017abuse@cyrusone.com
via GRAMTEL002
└ 209.172.207.24/304CYRUSONE--C0000169-209-172-207-24-30unknown———
└ 209.172.207.28/304CYRUSONE--C0000169-209-172-207-28-30unknown———
└ 209.172.207.112/304CYRUSONE--C0000455-209-172-207-112-30unknown———
└ 209.172.207.116/304CYRUSONE--C0000455-209-172-207-116-30unknown———
└ 209.172.207.128/298CYRUSONE--C0000252-209-172-207-128-29unknown———
└ 209.172.207.160/2732CYRUSONE--209-172-207-160-27unknown———
└ 209.172.207.208/298CYRUSONE--C0001313-209-172-207-208-29unknown———
└ 209.172.207.216/298CYRUSONE--C0001313-209-172-207-216-29unknown———
└ 209.172.207.224/2816CYRUSONE--C0000092-209-172-207-224-28unknown———
└ 209.172.212.16/2816CYRUSONE--209-172-212-16-28unknown———
└ 209.172.212.32/304CYRUSONE--C0001265-209-172-212-32-30unknown———
└ 209.172.212.36/304CYRUSONE--C0001265-209-172-212-36-30unknown———
└ 209.172.212.196/304CYRUSONE--C0001502-209-172-212-196-30unknown———
└ 209.172.212.200/304CYRUSONE--0-209-172-212-200-30unknown———
└ 209.172.212.204/304CYRUSONE--0-209-172-212-204-30unknown———
└ 209.172.213.0/2732CYRUSONE--C0000871-209-172-213-0-27unknown———
└ 209.172.213.32/2732CYRUSONE--C0000193-209-172-213-32-27unknown———
└ 209.172.214.0/304CYRUSONE--209-172-214-0-30unknown———
└ 209.172.214.4/304CYRUSONE--209-172-214-4-30unknown———
└ 209.172.214.8/304CYRUSONE--C0001189-209-172-214-8-30unknown———
└ 209.172.214.12/304CYRUSONE--C0001189-209-172-214-12-30unknown———
└ 209.172.214.24/298CYRUSONE--C0001702-209-172-214-24-29unknown———
└ 209.172.214.40/304CYRUSONE--C0001276-209-172-214-40-30unknown———
└ 209.172.214.44/304CYRUSONE--C0001276-209-172-214-44-30unknown———
└ 209.172.214.56/304CYRUSONE--C0001682-209-172-214-56-30unknown———
└ 209.172.214.60/304CYRUSONE--C0001682-209-172-214-60-30unknown———
└ 209.172.214.64/298CYRUSONE--C0000575-209-172-214-64-29unknown———
└ 209.172.214.72/298CYRUSONE--C0001204-209-172-214-72-29unknown———
└ 209.172.214.80/2816CYRUSONE--C0001605-209-172-214-80-28unknown———
└ 209.172.214.128/2816CYRUSONE--C0001204-209-172-214-128-28unknown———
└ 209.172.214.144/298CYRUSONE--C0001276-209-172-214-144-29unknown———
└ 209.172.214.152/304CYRUSONE--C0000324-209-172-214-152-30unknown———
└ 209.172.214.156/304CYRUSONE--C0000324-209-172-214-156-30unknown———
└ 209.172.214.192/2732CYRUSONE-209-172-214-192-27unknown———
└ 209.172.214.224/2816CYRUSONE--C0000113-209-172-214-224-28unknown———
└ 209.172.214.240/298CYRUSONE--C0001204-209-172-214-240-29unknown———
└ 209.172.215.0/24256CYRUSONE--C0001276-209-172-215-0-24Evoqua Water Technologies, LLC. (C06927645) · USReassignedMar 20, 2018abuse@cyrusone.com
via GRAMTEL002

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

8,192 addresses
TypeAddressesShareRanges
Hosting7,93697%17
Business2563.1%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