LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

209.242.64.0/18

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement
this exact prefix
No RPKI
Announced by
AS62
Type
Hosting
88% 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
209.242.69.0/24
since Jul 2012
AS26646BusinessCyrusOne LLC
209.242.70.0/24
since Jul 2012
AS26646BusinessCyrusOne LLC
209.242.77.0/24
since Jul 2012
AS26646BusinessCyrusOne LLC
209.242.80.0/23
since Jul 2015
AS62HostingCyrusOne LLC
209.242.88.0/24
since Oct 2020
AS19606BusinessCyrusOne LLC
209.242.89.0/24
since Oct 2020
AS19606BusinessCyrusOne LLC
209.242.90.0/24
since Oct 2020
AS19606BusinessCyrusOne LLC
209.242.91.0/24
since Oct 2020
AS19606BusinessCyrusOne LLC
209.242.94.0/24
since Feb 2018
AS36328BusinessCyrusOne LLC
209.242.95.0/24
since Aug 2018
AS62HostingCyrusOne LLC
209.242.120.0/21
since Dec 2016
AS62HostingCyrusOne LLC
209.242.126.0/23
since Nov 2020
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
209.242.64.0/1816,384GRAMTEL003CyrusOne LLC (CL-260) · USDirect AllocationFeb 23, 2000abuse@cyrusone.com
└ 209.242.64.8/298GT004-EN-TERPRET-001unknown———
└ 209.242.64.16/298GT004-ADAMSSTREET-003unknown———
└ 209.242.64.24/298GT004-JOINTCOMMISSION-001unknown———
└ 209.242.64.48/298GT004-GUESTACCESS-001unknown———
└ 209.242.64.56/298GT004-TRAVELCLICK-001unknown———
└ 209.242.64.76/304CYRUSONE--C0001293-209-242-64-76-30unknown———
└ 209.242.64.80/298GT004-NEALGERBER-001unknown———
└ 209.242.64.112/298CYRUSONE-209-242-64-112-29unknown———
└ 209.242.64.120/298GT004-SAGENET-001unknown———
└ 209.242.64.128/2816GT004-TRAVELCLICK-004unknown———
└ 209.242.64.160/298CYRUSONE-209-242-64-160-29unknown———
└ 209.242.64.168/304CYRUSONE-209-242-64-168-30unknown———
└ 209.242.64.172/304CYRUSONE-209-242-64-172-30unknown———
└ 209.242.64.184/298GT004-LAKECOUNTY-001unknown———
└ 209.242.64.216/298CYRUSONE--C0000017-209-242-64-216-29unknown———
└ 209.242.64.224/298CYRUSONE-209-242-64-224-29unknown———
└ 209.242.64.232/298CYRUSONE--C0000017-209-242-64-232-29unknown———
└ 209.242.64.248/298CYRUSONE--C0000023-209-242-64-248-29unknown———
└ 209.242.65.0/2732GT004-ADAMSSTREET-002unknown———
└ 209.242.65.40/304CYRUSONE--C0001398-209-242-65-40-30unknown———
└ 209.242.65.44/304CYRUSONE--C0001398-209-242-65-44-30unknown———
└ 209.242.65.64/2732GT004-BRIDGEPOINTTECH-003unknown———
└ 209.242.65.96/2816CYRUSONE--C0001621-209-242-65-96-28unknown———
└ 209.242.65.112/298CYRUSONE--C0001647-209-242-65-112-29unknown———
└ 209.242.65.224/298CYRUSONE--C0001544-209-242-65-224-29unknown———
└ 209.242.65.240/2816CYRUSONE--007-209-242-65-240-28unknown———
└ 209.242.66.0/2816GT004-GEODISWILSONFREIGHT-002unknown———
└ 209.242.66.16/2816GT004-LAKECOUNTY-002unknown———
└ 209.242.66.32/2816GT004-CBTS-CNOTIFY-002unknown———
└ 209.242.67.0/25128CYRUSONE--C0000414-209-242-67-0-25unknown———
└ 209.242.67.128/2664CYRUSONE-209-242-67-128-26unknown———
└ 209.242.67.192/2664GT004-BMGSERVERS-002unknown———
└ 209.242.68.0/2664GT004-SILLIKER-002unknown———
└ 209.242.69.0/24256GT004-TRAVELCLICK-002Travel Click (TRAVEL-77) · USReassignedOct 16, 2008—
└ 209.242.70.0/24256GT004-TRAVELCLICK-003TravelCLICK Inc. (TRAVE-1) · USReassignedMar 26, 2009—
└ 209.242.71.0/2664GT004-STANTHONY-002unknown———
└ 209.242.71.64/2664CYRUSONE-SILLIKER-LAN-BLKunknown———
└ 209.242.71.128/2664GT004-FIRSTSOURCE-001unknown———
└ 209.242.71.192/2664GT004-ISG2-002unknown———
└ 209.242.72.0/304CYRUSONE--C0001537-209-242-72-0-30unknown———
└ 209.242.72.4/304CYRUSONE--209-242-72-4-30unknown———
└ 209.242.72.16/298GT004-ISG2-001unknown———
└ 209.242.72.32/298GT004-ELITEGEN-001unknown———
└ 209.242.72.48/298GT004-STANTHONY-004unknown———
└ 209.242.73.0/24256GT004-ELITEGEN-002unknown———
└ 209.242.75.0/298CYRUSONE--209-242-75-0-29unknown———
└ 209.242.75.8/298CYRUSONE--209-242-75-8-29unknown———
└ 209.242.75.16/2816CYRUSONE--209-242-75-16-28unknown———
└ 209.242.77.0/24256GT004-TRAVELCLICK-004TravelCLICK Inc. (TRAVE-1) · USReassignedFeb 17, 2010—
└ 209.242.84.0/23512GT010-SHAMTOCKNETD-002unknown———
└ 209.242.86.0/24256GT001-SLURPNEWS-001unknown———
└ 209.242.87.0/24256GT010-ADAMSSTREET-004unknown———
└ 209.242.88.0/221,024CYRUSONE--C0000542-209-242-88-0-22The Nielsen Company (C07535419) · USReassignedApr 9, 2020abuse@cyrusone.com
via GRAMTEL003
└ 209.242.92.0/23512GT010-SYLMARK-003unknown———
└ 209.242.94.0/24256CYRUSONE--C0000080-209-242-94-0-24CalTech (C07270784) · USReassignedJan 3, 2019abuse@cyrusone.com
via GRAMTEL003
└ 209.242.95.0/2664CYRUSONE--C0000080-209-242-95-0-26unknown———
└ 209.242.95.96/2732CYRUSONE--C0000018-209-242-95-96-27unknown———
└ 209.242.96.0/221,024GT010-FIRSTSOURCE-0041st Source Bank (C02071297) · USReassignedOct 19, 2008abuse@cyrusone.com
via GRAMTEL003
└ 209.242.100.0/24256GT004-STATIC-SYSTEMSunknown———
└ 209.242.101.0/24256GT004-GRAMTELCORP-002unknown———
└ 209.242.102.0/23512GT010-JACKSONDAWSON-005unknown———
└ 209.242.104.0/212,048GT010-TCPBBS-006TCP, Inc. Michiana Wireless (C02071299) · USReassignedOct 19, 2008abuse@cyrusone.com
via GRAMTEL003
└ 209.242.112.0/2816GT005-CROWECHIZEK-001unknown———
└ 209.242.112.16/298GT005-GRAMTELSECURE-001unknown———
└ 209.242.113.16/298GT005-GRAMTELSECURE-001unknown———
└ 209.242.114.0/24256GT005-GRAMTELSECURE-002unknown———
└ 209.242.115.0/24256GT010-SLURPNEWS-002unknown———
└ 209.242.116.0/23512GT010-WOODWINDANDBRASSWIND-003unknown———
└ 209.242.118.0/24256GT005-GRAMTELSECURE-001unknown———
└ 209.242.119.0/24256GT005-GRAMTELSECURE-002unknown———
└ 209.242.120.0/298GT006-NEALGERBER-001unknown———
└ 209.242.120.56/298CYRUSONE--209-242-120-56-29unknown———
└ 209.242.120.64/304CYRUSONE-209-242-120-64-30unknown———
└ 209.242.120.128/298GT006-ISG2-001unknown———
└ 209.242.121.64/2816GT006-COACHMAN-002unknown———
└ 209.242.123.0/2816GT006-NEALGERBER-002unknown———
└ 209.242.123.128/2664GT006-ISG2-002unknown———
└ 209.242.124.0/24256GT006-JACKSONDAWSON-006unknown———
└ 209.242.126.0/298CYRUSONE--C0000245-209-242-126-0-29unknown———
└ 209.242.126.8/298CYRUSONE--C0000245-209-242-126-8-29unknown———
└ 209.242.126.16/298CYRUSONE--C0001305-209-242-126-16-29unknown———

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

16,384 addresses
TypeAddressesShareRanges
Hosting14,33688%10
Business2,04813%8

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