Robtex

Up: 66.59.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 66.59.128.0/20
Down right: 66.59.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.59.132.32	PTR	unused
66.59.132.130	PTR	unused
66.59.139.90	A	investoreurope.com
66.59.139.90	A	investorcanada.com
66.59.139.90	A	investorcanadatv.com
66.59.143.66	PTR	cairo.icmgroupltd.com
66.59.143.66	A	cairo.conversysinc.com
66.59.143.66	A	cairo.netservices.ca
66.59.143.114	A	static-66-59-143-114.gtcust.grouptelecom.net
66.59.149.66	PTR	testfirewall.gt.ca
66.59.149.68	PTR	yyzweb.gt.ca
66.59.149.68	A	svr.grouptelecom.net
66.59.149.70	PTR	ns.gt.ca
66.59.149.88	A	gt.ca
66.59.149.88	A	www.gt.ca
66.59.155.234	A	drncommerce.ca
66.59.156.0	A	icescape.com