Data as of Nov 9, 2026

209.172.206.0/24

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
209.172.204.0/22
since Feb 2019
AS62HostingCyrusOne LLC
209.172.192.0/19
since Dec 2016
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
└ 209.172.206.0/24256CYRUSONE--C0000209-209-172-206-0-24Files Anywhere Inc (C06379963) · USReassignedMar 10, 2017abuse@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.

Network & registry

Registry

Holder

Organization
CyrusOne LLC
Handle
CL-260
Range
209.172.192.0/19
Registration type
Direct Allocation
Record created
Nov 20, 1997
Legacy
yes
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