Robtex

Up: 64.145.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.145.66.0/25
Down right: 64.145.66.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.145.66.11	A+PTR	la-post1.spokeo.com
64.145.66.12	A+PTR	la-post2.spokeo.com
64.145.66.14	A+PTR	la-mail2.spokeo.com
64.145.66.25	A	*.bizshark.com
64.145.66.25	A	smtp.bizshark.com
64.145.66.26	A	www.www.bizshark.com
64.145.66.131	A	www.occupytampa.org
64.145.66.135	A+PTR	mx3.mayfirst.org
64.145.66.145	PTR	www.thenewpress.com
64.145.66.150	PTR	rushdie.mayfirst.org
64.145.66.151	A	barghouti.mayfirst.org
64.145.66.153	A+PTR	monsanto.occupytampa.org
64.145.66.154	A+PTR	hammer.mayfirst.org
64.145.66.156	A	protestmusic.org
64.145.66.156	A	themonumentproject.org
64.145.66.156	A	recoveringredneck.com
64.145.66.158	A	mf08.mayfirst.org
64.145.66.163	A	sistymas.org
64.145.66.163	A	zone.freesitesnetwork.com
64.145.66.163	A	l5.opentick.com
64.145.66.168	A	mx.sistyma.com
64.145.66.168	A	ns1.lucrecapital.com
64.145.66.168	A	ns1.superstream.com
64.145.66.174	A	lucrecapital.com
64.145.66.174	A	hosted-by.superstream.com
64.145.66.225	A+PTR	r1-hw.nyc.us.sharedband.net
64.145.66.226	A+PTR	ss1.nyc.us.sharedband.net
64.145.66.227	PTR	hw1.nyc.us.sharedband.net
64.145.66.228	PTR	hw2.nyc.us.sharedband.net
64.145.66.229	PTR	hw3.nyc.us.sharedband.net
64.145.66.230	A+PTR	hw4.nyc.us.sharedband.net
64.145.66.231	A+PTR	svr1.hw1.nyc.us.sharedband.net
64.145.66.232	PTR	svr2.hw1.nyc.us.sharedband.net
64.145.66.233	PTR	svr1.hw2.nyc.us.sharedband.net
64.145.66.234	A+PTR	svr2.hw2.nyc.us.sharedband.net
64.145.66.235	A+PTR	smtp.nyc.us.sharedband.net
64.145.66.236	PTR	webs.nyc.us.sharedband.net
64.145.66.236	A	4dsl.mobi
64.145.66.236	A	3ifi.mobi
64.145.66.237	A+PTR	ns1.nyc.us.sharedband.net
64.145.66.237	A	ns1.sharedband.net
64.145.66.238	PTR	unallocated.sharedband.net