Robtex

Up: 66.63.170.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.63.170.0/25
Down right: 66.63.170.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.63.170.2	A	mail.forumcooler.com
66.63.170.2	A	primelinehosting.com
66.63.170.2	A	forumcooler.com
66.63.170.3	A	ns2.primelinehosting.com
66.63.170.4	A	comparecigars.com
66.63.170.4	A	mail.comparecigars.com
66.63.170.4	A	ns2.comparecigars.com
66.63.170.5	A	mail.jewelrydiamondsearrings.com
66.63.170.5	A	podcastinguniversity.org
66.63.170.5	A	mail.podcastinguniversity.org
66.63.170.16	PTR	66.63.170.16.static.quadranet.com
66.63.170.88	PTR	88.170.63.66.quadranet.com
66.63.170.128	A	networkyard.com