Robtex

Up: 66.225.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.225.159.0/25
Down right: 66.225.159.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.225.159.29	A	mail.lucebella.com
66.225.159.29	A	mail.3glighting.com
66.225.159.53	PTR	mail.ctdealers.com
66.225.159.73	A	static-66-225-159-73.ptr.terago.net
66.225.159.74	A+PTR	byngmail.thebynggroup.com
66.225.159.74	A	mail.guardianshipcoverage.com
66.225.159.74	A	mail.iuts.ca
66.225.159.80	A+PTR	static-66-225-159-80.ptr.terago.net
66.225.159.81	PTR	static-66-225-159-81.ptr.terago.net
66.225.159.98	A	www.fourlgraphics.com
66.225.159.100	PTR	static-66-225-159-100.ptr.terago.net
66.225.159.100	A	summerkiss.ca
66.225.159.101	A	mail.fourlgraphics.com
66.225.159.103	PTR	static-66-225-159-103.ptr.terago.net
66.225.159.103	A	mail.summerkiss.ca
66.225.159.103	A	mail.mandalayrestaurant.ca
66.225.159.105	A	mandalayrestaurant.ca
66.225.159.107	A	mail.outdoor-expressions.ca
66.225.159.122	A	post.nutemp.ca
66.225.159.145	A+PTR	static-66-225-159-145.ptr.terago.net
66.225.159.156	A	mail.partnersincredit.ca
66.225.159.156	A	partnersincredit.ca
66.225.159.177	A	mail.wmroberts.com
66.225.159.207	PTR	static-66-225-159-207.ptr.terago.net
66.225.159.208	PTR	static-66-225-159-208.ptr.terago.net
66.225.159.216	PTR	static-66-225-159-216.ptr.terago.net
66.225.159.217	A+PTR	static-66-225-159-217.ptr.terago.net
66.225.159.231	PTR	static-66-225-159-231.ptr.terago.net
66.225.159.239	PTR	static-66-225-159-239.ptr.terago.net
66.225.159.240	PTR	static-66-225-159-240.ptr.terago.net
66.225.159.247	PTR	static-66-225-159-247.ptr.terago.net
66.225.159.248	PTR	static-66-225-159-248.ptr.terago.net
66.225.159.249	A+PTR	scepter4.scepter.ca
66.225.159.250	A+PTR	mail.scepter.ca
66.225.159.250	A	scepter.ca
66.225.159.250	A	mail.scepter.com
66.225.159.255	PTR	static-66-225-159-255.ptr.terago.net