Robtex

Up: 204.240.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 204.242.0.0/16
Down right: 204.243.0.0/16
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.242.92.2	A	chicago.campbellsoft.com
204.242.108.185	A	citygrouptoto.org
204.242.159.2	PTR	facs.org
204.242.159.5	PTR	notes.facs.org
204.242.159.5	PTR	webmail.facs.org
204.243.172.5	PTR	reliant.vhb.com
204.243.172.5	A	landmarkdg.com
204.243.172.5	A	vanassehangenbrustlin.com
204.243.172.6	PTR	neelix.vhb.com
204.243.177.66	PTR	ns1.vhb.com