Robtex

Up: 66.4.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 66.4.0.0/17
Down right: 66.4.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.4.4.2	PTR	host-66-4-4-2.tennk12.net
66.4.8.1	A	sttnsdewwe05r.tennk12.net
66.4.8.97	A	rtp000072rts.tennk12.net
66.4.8.98	A	rtp000073rts.tennk12.net
66.4.8.100	A	wsp000391wss.tennk12.net
66.4.9.10	A+PTR	www.wcs.edu
66.4.9.10	A	wcs.edu
66.4.9.13	A	helix.wcs.edu
66.4.9.14	A	selfservice.wcs.edu
66.4.11.9	A	sttnsdewwe05r.tennk12.net
66.4.11.33	A	sttnsdewwe01r.tennk12.net
66.4.14.1	PTR	host-66-4-14-1.tennk12.net
66.4.14.3	A+PTR	rcs-mail2.tennk12.net
66.4.14.3	A	rcs.k12.tn.us
66.4.14.6	A	ns1.rcschools.net
66.4.14.6	A	ns1.rcs.k12.tn.us
66.4.18.130	A	mail.wcschools.com
66.4.18.130	A	smtp.wcschools.com
66.4.18.145	A	wilsonk12tn.com
66.4.18.181	A	mizunizishandler.wcschools.com
66.4.22.40	A+PTR	srp000124srs.kippmemphis.org
66.4.22.40	A	mail.buildmycloud.net
66.4.22.53	A+PTR	mailmx1.kippmemphis.org
66.4.22.53	A	mail.kippmemphis.org
66.4.22.55	PTR	mailserver.kippmemphis.org
66.4.23.254	A	franklincountyschools.k12tn.net
66.4.26.102	A	mail.kippacademynashville.org
66.4.27.10	A	nissanusadealers.com
66.4.44.4	A	ampagilityatwmk.com
66.4.44.4	A	theindoorsoc.com
66.4.44.4	A	ac83.com
66.4.56.55	A	exchange.fssd.org
66.4.56.60	A	barracuda.fssd.org
66.4.57.2	A+PTR	ns1.fssd.org
66.4.57.3	A+PTR	ns2.fssd.org
66.4.60.4	PTR	mail.nwtncap.org
66.4.60.4	PTR	mail.nwtnhs.org
66.4.60.4	A	mail1.nwtnhs.org
66.4.75.250	A	pickett.k12.tn.us
66.4.109.3	PTR	wsp000414wss.tennk12.net
66.4.109.3	A	plato.tennk12.net
66.4.112.3	PTR	host-66-4-112-3.tennk12.net
66.4.124.1	A	rtp000001rts.tennk12.net
66.4.124.11	A	usnvsqea001.tennk12.net
66.4.124.12	A	usnvsqea001-t1.tennk12.net
66.4.124.13	A	usnvsqea001-t2.tennk12.net
66.4.160.3	A	mail.rheacounty.net
66.4.162.3	A	www.athens-lea.mcminn.k12.tn.us
66.4.162.3	A	athens-lea.mcminn.k12.tn.us
66.4.189.2	A+PTR	tsd.k12.tn.us
66.4.189.5	A	www.tsd.k12.tn.us
66.4.209.196	A	cat.knoxlib.org
66.4.209.197	A+PTR	ezproxy.knoxlib.org
66.4.226.2	A	otp000003ots.tennk12.net
66.4.226.3	A	otp000004ots.tennk12.net
66.4.226.4	A	otp000005ots.tennk12.net
66.4.226.9	A	gtp000027gts.tennk12.net
66.4.227.2	A	otp000125ots.tennk12.net
66.4.227.3	A	otp000126ots.tennk12.net
66.4.227.10	A	otp000133ots.tennk12.net
66.4.227.11	A	otp000134ots.tennk12.net
66.4.228.1	A	gtp000062gts.tennk12.net
66.4.228.2	A	otp000106ots.tennk12.net
66.4.228.3	A	otp000107ots.tennk12.net
66.4.228.4	A	otp000108ots.tennk12.net
66.4.229.1	A	gtp000100gts.tennk12.net
66.4.229.2	A	otp000188ots.tennk12.net
66.4.229.3	A	otp000189ots.tennk12.net
66.4.229.33	A	gtp000101gts.tennk12.net
66.4.230.1	A	gtp000108gts.tennk12.net
66.4.230.2	A	otp000220ots.tennk12.net
66.4.230.3	A	otp000221ots.tennk12.net
66.4.230.4	A	otp000222ots.tennk12.net
66.4.231.1	A	gtp000116gts.tennk12.net
66.4.231.2	A	otp000253ots.tennk12.net
66.4.231.3	A	otp000254ots.tennk12.net
66.4.231.33	A	gtp000117gts.tennk12.net
66.4.232.1	A	gtp000090gts.tennk12.net
66.4.232.4	A+PTR	mail.giles.k12.tn.us
66.4.232.12	A	filter.giles.k12.tn.us
66.4.232.17	A	gtp000091gts.tennk12.net