Robtex

Up: 66.209.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.209.48.0/23
Down right: 66.209.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.209.48.10	A	66-209-48-10.atrianetworks.net
66.209.48.42	A	mail.wallwinelectric.com
66.209.48.90	A	ns6.theitmgroup.com
66.209.48.90	A	www.ecrportal.com
66.209.48.90	A	ecrportal.com
66.209.49.34	PTR	webmail.haliburtoncounty.ca
66.209.49.34	A	mail.highlandseast.ca
66.209.49.34	A	webmail.haliburtontest.com
66.209.49.43	A	mail.halctytest.com
66.209.49.91	A	mail.macleanengineering.com
66.209.49.91	A	mail.macleanengineering.on.ca
66.209.50.6	A+PTR	66-209-50-6.atrianetworks.net
66.209.50.18	A	altmx.modernsales.ca
66.209.50.36	A+PTR	mail.modernsales.ca
66.209.50.37	A	owa.modernsales.ca
66.209.50.45	A	www.modernsales.ca
66.209.50.45	A	email.modernsales.ca
66.209.50.45	A	modernsales.ca
66.209.50.54	A+PTR	prodo.prodomax.com
66.209.50.54	A	vpn.prodomax.com
66.209.50.71	A	terminal.prodomax.com
66.209.50.85	A	video.prodomax.com
66.209.50.86	A	vendors.prodomax.com
66.209.50.87	PTR	myprodomax.com
66.209.50.87	A	www.myprodomax.com
66.209.50.89	A	owa.prodomax.com
66.209.50.90	A	prodotime.prodomax.com
66.209.50.91	PTR	mail.prodomax.com
66.209.50.91	A	*.myprodomax.com
66.209.50.91	A	myprodomax.com
66.209.50.93	A	www.myprodomax.com
66.209.50.93	A	prodomax.com
66.209.50.98	A	sslvpn.innovativeautomation.com
66.209.50.98	A	vpn.innovativeautomation.com
66.209.50.106	PTR	ns.innovativeautomation.com
66.209.50.106	A	ns.innovativeautomation.net
66.209.50.106	A	innovativeautomation.com
66.209.50.108	A+PTR	mail2.innovativeautomation.com
66.209.50.109	A	mail.innovativeautomation.com
66.209.50.110	A	mail3.innovativeautomation.com
66.209.50.114	PTR	mail.dvsystems.ca
66.209.50.118	A+PTR	mail.lotek.com
66.209.50.118	A	mail2.lotek.com
66.209.50.139	PTR	mail.edwininc.com
66.209.50.139	A	mail2.edwininc.com
66.209.51.6	A	gateway.orilliapower.ca
66.209.51.17	A	ns1.ijws.com
66.209.51.18	A	www.ijws.com
66.209.51.18	A	dev.ijws.com
66.209.51.18	A	ns2.ijws.com
66.209.51.24	A	host24.ijws.com
66.209.51.37	A+PTR	mail.orilliapower.ca
66.209.51.37	A	oril-exch01.orilliapower.ca
66.209.51.38	A	mail10.orilliapower.ca
66.209.51.65	A+PTR	vpn.osmh.on.ca
66.209.51.70	A+PTR	mail.osmh.on.ca
66.209.51.82	PTR	mail.orillia.ca
66.209.51.98	A+PTR	webmail.osmh.on.ca
66.209.51.99	A	external.osmh.on.ca
66.209.51.100	A+PTR	webgate.osmh.on.ca
66.209.51.101	A+PTR	roam.osmh.on.ca
66.209.51.103	A	roam.osmh.on.ca
66.209.51.104	A	sharepoint.osmh.on.ca
66.209.51.106	A+PTR	roamvpn.osmh.on.ca
66.209.51.108	A	bas.osmh.on.ca
66.209.51.109	A	ftp.osmh.on.ca
66.209.51.110	A	fusion.osmh.on.ca
66.209.51.161	PTR	gammax.gammasales.com
66.209.51.161	A+PTR	www.gammapowersports.com
66.209.51.161	A+PTR	www.gammasales.com
66.209.51.162	PTR	mail.zoan.ca
66.209.51.162	PTR	mail.gammapowersports.com
66.209.51.162	PTR	mail.gammasales.com
66.209.51.166	A	www.spxonline.com
66.209.51.166	A	spxonline.com
66.209.51.167	PTR	zoan.ca
66.209.51.167	PTR	zoanhelmet.com
66.209.51.167	A+PTR	zoanhelmets.com
66.209.51.186	A+PTR	mx.orakitchens.com
66.209.51.222	A+PTR	spam.monteithbuild.com
66.209.51.222	A	mail.monteithbuild.com
66.209.51.250	A	mail.mhcp.on.ca
66.209.51.252	A	www.bedregistry.com
66.209.51.252	A	bedregistry.com
66.209.51.253	A	dementianetworksc.org