Robtex

Up: 66.209.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.209.52.0/23
Down right: 66.209.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.209.52.2	PTR	mhcpexch.mhcp.on.ca
66.209.52.6	A	mhcp-research.com
66.209.52.6	A	waypointcenter.ca
66.209.52.6	A	www.mhcp.on.ca
66.209.52.22	PTR	pucserver3.midlandpuc.on.ca
66.209.52.68	PTR	www.labx.com
66.209.52.69	A	edgeagain.ca
66.209.52.89	PTR	sm.the-scientist.com
66.209.52.98	A+PTR	syteweb.baytechplastics.com
66.209.52.101	A+PTR	mail.baytechplastics.com
66.209.52.106	A+PTR	fc.lacle.ca
66.209.52.106	A	mail.vaguefm.ca
66.209.52.118	A+PTR	remote.huroniaalarms.com
66.209.52.118	A	mail.leannethorburn.com
66.209.52.118	A	mail.huroniaalarms.com
66.209.53.2	PTR	mail.southsimcoepolice.ca
66.209.53.18	PTR	southsimcoepolice.ca
66.209.53.18	PTR	mail.southsimcoepolice.ca
66.209.53.66	A	mw-254.mcw.net
66.209.53.67	PTR	unallocated-static.rogers.com
66.209.53.67	A	newmail.domtiengineering.com
66.209.53.73	PTR	mail.mcw.net
66.209.53.73	PTR	mw3.mcw.net
66.209.53.73	PTR	mw3.mcw.on.ca
66.209.53.76	A	mw6.mcw.net
66.209.53.76	A	brendabrewer.ca
66.209.53.76	A	planetdistributing.com
66.209.53.82	A	mw12.bytexit.com
66.209.53.82	A	www.bytexit.com
66.209.53.84	A	ggmx.com
66.209.53.86	PTR	jeckyl.mcw.net
66.209.53.87	A+PTR	jeckyl.mcw.net
66.209.53.87	A	mail.micro-works.ca
66.209.53.87	A	jeckyl.micro-works.ca
66.209.53.88	A	mw18.mcw.net
66.209.53.89	A	mw19.mcw.net
66.209.53.91	PTR	unallocated-static.rogers.com
66.209.53.96	A	mcw.on.ca
66.209.53.97	A	treatswell.com
66.209.53.116	A	planetdistributing.com
66.209.53.116	A	mcw-177.planetdistributing.com
66.209.53.117	PTR	unallocated-static.rogers.com
66.209.53.117	A	mcw-177.kempenfeltwindows.com
66.209.53.117	A	kempenfeltwindows.com
66.209.53.118	PTR	unallocated-static.rogers.com
66.209.53.121	A	kempenfeltwindows.com
66.209.53.121	A	micro-works.ca
66.209.53.121	A	mcw.net
66.209.53.135	A	mail.barriecareercentre.com
66.209.53.137	A	*.it-today.com
66.209.53.137	A	it-today.com
66.209.53.137	A	www.it-today.com
66.209.53.165	A+PTR	mail.barriepolice.ca
66.209.53.165	A+PTR	mail.police.barrie.on.ca
66.209.53.165	A	interceptor.barriepolice.ca
66.209.53.195	A+PTR	mail1.oatleyvigmond.com
66.209.53.195	A	citrix.oatleyvigmond.com
66.209.53.195	A	owa.oatleyvigmond.com
66.209.53.202	A+PTR	keeper.rvh.on.ca
66.209.53.230	A	nfuse.rvh.on.ca
66.209.53.231	A+PTR	bi.rvh.on.ca
66.209.53.236	A+PTR	smtp.rvh.on.ca
66.209.53.236	A+PTR	smtp1.rvh.on.ca
66.209.53.237	A+PTR	smtp.rvh.on.ca
66.209.53.237	A+PTR	smtp2.rvh.on.ca
66.209.53.238	PTR	rvh.on.ca
66.209.53.238	A+PTR	www.rvh.on.ca
66.209.53.250	A+PTR	connectto.rvh.on.ca
66.209.53.252	A	vdipilot.rvh.on.ca
66.209.53.253	A+PTR	dropbox.rvh.on.ca
66.209.53.254	A	remoteclinical.rvh.on.ca
66.209.54.2	PTR	unallocated-static.rogers.com
66.209.54.2	A	livingwaterresort.com
66.209.54.6	A	vitalityvacationsonline.com
66.209.54.6	A	mmprs.ca
66.209.54.25	A	mail2.netgainseo.com
66.209.54.26	PTR	www.greycounty.ca
66.209.54.50	A	mail.tomthomson.org
66.209.54.50	A	mail2.owen-sound.ca
66.209.54.50	A	mail2.owensound.ca
66.209.54.59	A	mail-2.collus.com
66.209.54.60	A	georgianbayreads.ca
66.209.54.60	A	mail.colluspower.com
66.209.54.61	A	ns2.collus.com
66.209.54.62	A	www.colluspowerstream.ca
66.209.54.66	A	mail01.nobleins.on.ca
66.209.54.90	PTR	unallocated-static.rogers.com
66.209.54.94	A	mail.communityconnection.ca
66.209.54.94	A	search.communityconnection.net
66.209.54.94	A	mail.communityconnection.net
66.209.54.134	A+PTR	mail.grnland.com
66.209.54.134	A	mail.stragisenvi.com
66.209.54.138	PTR	mail.macleanengineering.com
66.209.54.138	A	memcoremote.com
66.209.54.142	A+PTR	mail3.aka-group.com
66.209.54.142	A	autoconfig.aka-group.com
66.209.54.142	A	maximumrpm.ca
66.209.54.163	A	www.kesm.net
66.209.54.194	A	mail.leonsowensound.com
66.209.54.198	PTR	mail.tescanada.com
66.209.54.206	A	mail.tk.on.ca
66.209.54.225	PTR	ns2.gbtel-inc.ca
66.209.54.226	A+PTR	ns1.gbtel-inc.ca
66.209.54.226	A	mail.gbtel-inc.ca
66.209.54.226	A	chesleylakecamp.ca
66.209.54.227	PTR	mail.gbtel.ca
66.209.54.228	PTR	ns1.greybrucetelecom.com
66.209.54.228	A	chesleylakecamp.ca
66.209.54.228	A	greybrucetelecom.com
66.209.54.229	PTR	northwoodassociates.ca
66.209.54.238	A+PTR	mail.nawash.ca
66.209.54.238	A	nawash.ca
66.209.54.238	A	www.nawash.ca
66.209.55.38	A	gw.jjei.com
66.209.55.142	A	mail.agnora.com