Robtex

Up: 199.83.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.83.140.0/23
Down right: 199.83.142.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.83.140.19	PTR	199-83-140-19.inlandfiber.com
199.83.140.19	A	ktool.com
199.83.140.19	A	isnweb.com
199.83.140.20	A	jobbertools.com
199.83.140.22	PTR	199-83-140-22.inlandfiber.com
199.83.140.22	A	www.toolweb.com
199.83.140.22	A	toolweb.com
199.83.140.23	A	toolsummit.com
199.83.140.26	A	*.isnweb.com
199.83.140.26	A	ns1.isnweb.com
199.83.140.26	A	mail.isnweb.com
199.83.140.99	A+PTR	mail.laspbs.state.fl.us
199.83.140.129	PTR	199-83-140-129.inlandfiber.com
199.83.140.129	A	smtp1.fordmodels.com
199.83.140.129	A	ultimatetechnicians.com
199.83.140.134	PTR	199-83-140-134.inlandfiber.com
199.83.140.134	A	dns01.fordmodels.com
199.83.140.135	PTR	199-83-140-135.inlandfiber.com
199.83.140.135	A	dns02.fordmodels.com
199.83.140.137	PTR	199-83-140-137.inlandfiber.com
199.83.140.137	A	booking.fordmodels.com
199.83.140.143	PTR	199-83-140-143.inlandfiber.com
199.83.140.198	A+PTR	mail.doculex.com
199.83.140.200	A	certitemp.com
199.83.140.204	A	badcockqa.com
199.83.140.204	A	mail.badcockqa.com
199.83.141.34	A	wh.elcpolk.org
199.83.141.50	A	bidtechjobs.com
199.83.141.51	PTR	199-83-141-51.inlandfiber.com
199.83.141.51	A	itbackup.com
199.83.141.92	A	inboxsy.com
199.83.141.135	PTR	199-83-141-135.inlandfiber.com
199.83.141.135	A	drcarifi.com
199.83.141.246	PTR	199-83-141-246.inlandfiber.com
199.83.143.34	PTR	199-83-143-34.inlandfiber.com
199.83.143.34	A	mx3.piper.com
199.83.143.138	PTR	199-83-143-138.inlandfiber.com