Robtex

Up: 216.23.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.23.240.0/22
Down right: 216.23.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.23.240.0	PTR	216-23-240-0.rev.omnicity.net
216.23.240.2	PTR	216-23-240-2.rev.omnicity.net
216.23.240.3	A+PTR	216-23-240-3.rev.omnicity.net
216.23.240.50	A+PTR	216-23-240-50.rev.omnicity.net
216.23.240.130	PTR	216-23-240-130.rev.omnicity.net
216.23.240.130	A	www.galaxyinternet.net
216.23.240.130	A	custom.net
216.23.240.160	PTR	slackadelic.com
216.23.240.160	A	phpmasters.org
216.23.241.12	A	216-23-241-12.rev.omnicity.net
216.23.241.69	A	216-23-241-69.rev.omnicity.net
216.23.241.183	A	216-23-241-183.rev.omnicity.net
216.23.241.200	A	216-23-241-200.rev.omnicity.net
216.23.241.210	A	216-23-241-210.rev.omnicity.net
216.23.241.254	A	216-23-241-254.rev.omnicity.net
216.23.242.200	PTR	216-23-241-200.rev.omnicity.net
216.23.244.73	A+PTR	216-23-244-73.rev.omnicity.net
216.23.244.205	A	216-23-244-205.rev.omnicity.net
216.23.244.209	PTR	216-23-244-209.rev.omnicity.net
216.23.247.2	PTR	216-23-247-2.rev.omnicity.net
216.23.247.2	A	imperialbeef.net
216.23.247.3	A+PTR	216-23-247-3.rev.omnicity.net
216.23.247.3	A	mail.physiosec.org
216.23.247.26	A	crane.nodns4.us
216.23.247.58	PTR	virtualmin2.broadbandnetworks.com
216.23.247.58	A	mail.intelligentdesignsolutionsinc.com
216.23.247.58	A	intelligentdesignsolutionsinc.com
216.23.247.62	A	phpmasters.org
216.23.247.74	A	cardinal.slackbook.org
216.23.247.74	A	cardinal.slackbuilds.org
216.23.247.74	A	we.walk-on.us
216.23.247.227	A	216-23-247-227.rev.omnicity.net