Robtex

Up: 66.209.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.209.56.0/23
Down right: 66.209.58.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.209.56.10	A+PTR	mail.spectraaluminum.com
66.209.56.10	A	spectraspecialty.com
66.209.56.10	A	mail.spectra1.markhamwebsitehosting.com
66.209.56.18	A	mail.macadmin.ca
66.209.56.18	A	web.jdbgroup.ca
66.209.56.18	A	mail.benefitscentre.ca
66.209.56.22	A+PTR	mail.flagsunlimited.com
66.209.56.38	PTR	mail.southmedic.com
66.209.56.46	A+PTR	mail.southmedic.com
66.209.56.65	A+PTR	mail.pavliks.net
66.209.56.65	A	mail.baycitykia.com
66.209.56.65	A	mail.baytownehyundai.com
66.209.56.69	A+PTR	mail.pavliks.com
66.209.56.69	A	portaltrial.com
66.209.56.70	PTR	unallocated-static.rogers.com
66.209.56.70	A	kropfindustrial.com
66.209.56.70	A	www.joejohnsonequipment.com
66.209.56.72	PTR	unallocated-static.rogers.com
66.209.56.72	A	dynamicsxrm.ca
66.209.56.73	PTR	www.oatleyvigmond.com
66.209.56.73	A	coldwaterfisheries.com
66.209.56.75	A	windsorrotaryauction.com
66.209.56.75	A	windsorrotaryauction.ca
66.209.56.76	A	www.microcel.com
66.209.56.76	A	microcel.com
66.209.56.78	A	mauriceautomation.com
66.209.56.80	A	coreconnectportaldev.com
66.209.56.80	A	mmroap.com
66.209.56.81	A	pagi.ca
66.209.56.83	PTR	unallocated-static.rogers.com
66.209.56.83	A	barrierotaryauction.com
66.209.56.85	A	arnottgroup.com
66.209.56.85	A	hrpar.ca
66.209.56.85	A	midori.ca
66.209.56.88	A	serco.hirefx.com
66.209.56.88	A	marylongden.com
66.209.56.88	A	hirefx.com
66.209.56.93	PTR	new.oatleyvigmond.com
66.209.56.93	A	www.accucut.ca
66.209.56.93	A	conveyorguarding.com
66.209.56.98	PTR	unallocated-static.rogers.com
66.209.56.98	A	convergesw.org
66.209.56.98	A	mail.convergemidatlantic.com
66.209.56.100	PTR	osmh.on.ca
66.209.56.100	PTR	www.osmh.on.ca
66.209.56.100	A	barrierotaryauction.com
66.209.56.105	PTR	foundation.rvh.on.ca
66.209.56.105	A	pavliks.com
66.209.56.105	A	websitehostingbarrie.com
66.209.56.109	A	cwsmithcraneservice.com
66.209.56.109	A	leanvelocity.ca
66.209.56.109	A	tamarco.ca
66.209.56.115	A	averyaudio.ca
66.209.56.119	A	koc.on.ca
66.209.56.119	A	www.koc.on.ca
66.209.56.120	A	www.kennedyhouse.org
66.209.56.120	A	www.khys.org
66.209.56.138	PTR	mail.flagsunlimited.com
66.209.56.154	A+PTR	class.on.ca
66.209.56.154	A+PTR	mail.class.on.ca
66.209.56.154	A	backupmx2.class.on.ca
66.209.56.163	A	mail1.mitek.ca
66.209.56.189	A	ns2.mii.com
66.209.56.218	A+PTR	mail.royalwoodworking.com
66.209.56.218	A	auroratimberland.com
66.209.57.15	A	remote.gbwd-office.com
66.209.57.19	A	griffithisland.com
66.209.57.22	A	mail2.hsc-ltd.com
66.209.57.59	A	mail-2.centreforbusiness.ca
66.209.57.193	A+PTR	spamfree.argentsolutions.net
66.209.57.222	A	mail.participationlodge.ca
66.209.57.226	A+PTR	mail1.argentsolutions.net
66.209.57.226	A	mail.turbodial.net
66.209.57.228	A	mail2.argentsolutions.net
66.209.57.229	A	safe4mail.com
66.209.57.229	A	adm.argentsolutions.net
66.209.58.2	PTR	ns2.atrianetworks.net
66.209.58.10	A+PTR	athena.1shoppingcart.com
66.209.58.14	A+PTR	barrie.tripcentral.ca
66.209.58.19	A	mcsecure.com
66.209.58.22	A	mail.sc-alerts.com
66.209.58.73	A	webmail.barriehydro.com
66.209.58.76	A+PTR	mail.barriehydro.com
66.209.58.78	A	www.barriehydro.net
66.209.58.83	A	online.moorepackaging.com
66.209.58.84	A	mail.moorepackaging.com
66.209.58.90	PTR	csmailsvr.can-save.com
66.209.58.115	A+PTR	mail.albarrie.com
66.209.58.115	A	mail.albarrieusa.com
66.209.58.134	A+PTR	mail.simcoecommunityservices.ca
66.209.58.163	PTR	mail.bghl.ca
66.209.58.163	A	bghl.ca
66.209.58.241	PTR	mail.jjei.com
66.209.58.241	A	owa.jjei.com
66.209.58.245	A+PTR	webmail.jjei.com
66.209.58.245	A	nat.jjei.com
66.209.58.245	A	mail.jjei.com
66.209.58.247	PTR	unallocated-static.rogers.com
66.209.58.247	A	myjje.com
66.209.58.251	PTR	unallocated-static.rogers.com
66.209.59.2	A+PTR	ns1.peshosting.com
66.209.59.3	A+PTR	ns2.peshosting.com
66.209.59.10	PTR	zimbra.positiveesolutions.ca
66.209.59.10	A	zimbra.tourismbarrie.com
66.209.59.10	A	mail.cornerstonecsi.ca
66.209.59.13	A+PTR	postman.peshosting.com
66.209.59.13	A	postman.positiveesolutions.com
66.209.59.14	A	web.peshosting.com
66.209.59.16	A	obs.pesbackup.com
66.209.59.27	A	ddns1.peshosting.com
66.209.59.27	A	pesddns.com
66.209.59.28	A	ns4.pabloink.ca
66.209.59.28	A	ns3.pabloink.net
66.209.59.29	A+PTR	pes.positiveesolutions.com
66.209.59.200	A+PTR	ruby.peshosting.com
66.209.59.200	A	mail.ruby.peshosting.com
66.209.59.200	A	ns10.peshosting.com
66.209.59.201	PTR	ns20.peshosting.com
66.209.59.201	A	secure.peshosting.com
66.209.59.203	A	2db.ca
66.209.59.204	A	banksmachinery.com
66.209.59.204	A	mail.banksmachinery.com
66.209.59.205	A	mail.memoriesofme.ca
66.209.59.207	A	mail.rebeccapalmer.ca
66.209.59.211	A	2db.ca