Robtex

Up: 64.137.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.137.65.0/25
Down right: 64.137.65.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.137.65.129	A+PTR	wx9.triviabuzzme.com
64.137.65.129	A	triviabuzzme.com
64.137.65.129	A	wer.triviabuzznow.com
64.137.65.130	A+PTR	5ah.triviabuzzme.com
64.137.65.130	A	rew.triviabuzznow.com
64.137.65.141	A+PTR	oc6.triviabuzzspecial.com
64.137.65.141	A	gss.triviabuzzspecial.com
64.137.65.141	A	triviabuzzspecial.com