Robtex

Up: 68.64.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 68.64.64.0/20
Down right: 68.64.80.0/20

IP	Type	Hostname
68.64.82.8	A	falconcam.usadatanet.com
68.64.83.18	A	tfnlookup.com
68.64.83.18	A	e-teletech.com
68.64.83.25	A	etelcommunications.com
68.64.83.70	A	etelsip.com
68.64.87.237	A	bizpbx04.wcs.com
68.64.88.75	A+PTR	interval.fl.wcstel.com
68.64.90.66	A	gatelesis.com
68.64.90.69	A	mailserver.gatelesis.com
68.64.90.140	A	echo.wcs.com
68.64.90.145	A	kraken.wcs.com
68.64.90.152	A	wcscc.work
68.64.92.237	A	bizpbx04.wcs.com
68.64.92.238	A	wcscorp.wcspbx.com
68.64.95.185	A	prg2.optionline.com