Robtex

Up: 216.197.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.197.64.0/23
Down right: 216.197.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.197.64.52	A+PTR	greece.rkdms.com
216.197.64.52	A	a.ns.rkdms.com
216.197.64.53	PTR	wallonia.rimmkaufman.com
216.197.64.53	A	online-marketing-update.com
216.197.64.53	A	rkgmarketing.us
216.197.64.56	PTR	mail.l.rimmkaufman.com
216.197.64.56	A	mail.rimm-kaufman.com
216.197.64.56	A	mail.audettemedia.net
216.197.64.62	A	firewall.rimmkaufman.com
216.197.64.90	A	mail.jeffersontheatre.com
216.197.64.90	A	mail.jeffersontheater.com
216.197.64.126	A+PTR	lodestone.creativeperspectives.com
216.197.64.126	A	distributednetcasting.net
216.197.64.126	A	distributednetcasting.com
216.197.64.132	PTR	132-hs-user.pnte.mdu.briworks.net
216.197.64.141	A	mail.chaseinv.com
216.197.64.155	A+PTR	216-197-64-155.tingfiber.com
216.197.64.157	A+PTR	216-197-64-157.tingfiber.com
216.197.64.165	A+PTR	c-va-c9fa75aa96-8136-1.tingfiber.com
216.197.64.167	PTR	167-hs-user.pnte.mdu.briworks.net
216.197.64.167	A	mail.easterassociates.com
216.197.64.167	A	*.easterassociates.com
216.197.64.176	A+PTR	216-197-64-176.tingfiber.com
216.197.64.176	A	mindandlife.institute
216.197.64.184	PTR	184-hs-user.pnte.mdu.briworks.net
216.197.64.185	A+PTR	216-197-64-185.tingfiber.com
216.197.64.187	PTR	187-hs-user.pnte.mdu.briworks.net
216.197.64.187	A	readykids.us
216.197.64.204	PTR	204-hs-user.pnte.mdu.briworks.net
216.197.64.204	A	www.cybersocialsystems.org
216.197.64.204	A	monadics.com
216.197.64.228	PTR	216-197-64-228.tingfiber.com
216.197.64.228	A	thecrimsonberry.com
216.197.64.235	A	station2e.com
216.197.64.235	A	ke4ukz.com
216.197.64.248	PTR	248-hs-user.pnte.mdu.briworks.net
216.197.64.254	A+PTR	static-block-2-test.tingfiber.com
216.197.65.24	A	tonguetiedamerica.com
216.197.65.24	A	shadelfamily.com
216.197.65.24	A	grub.directory
216.197.65.34	A	acacwc.com
216.197.65.37	PTR	mail.acac.com
216.197.65.37	A	mail.acacpt.com
216.197.65.37	A	mail.legacymgmt.com
216.197.65.62	A	remote.hamptonandeverett.com
216.197.65.130	A+PTR	mail.butlercap.com
216.197.65.132	A	sql.butlercap.com
216.197.65.170	A	mail.bluestemllc.com
216.197.65.213	PTR	investorsobserver.com
216.197.65.213	A	spoptionsstrategies.com
216.197.65.213	A	investorsbuffet.com
216.197.65.215	PTR	marketintelligencecenter.com
216.197.65.216	PTR	sevensummitsstrategicinvestments.com
216.197.65.216	A	gowssp.com
216.197.65.245	A	sandboxrambler.com
216.197.66.61	A+PTR	216-197-66-61.tingfiber.com
216.197.66.88	PTR	088-hs-user.carrolltonterrace.mtu.briworks.net
216.197.66.115	PTR	115-hs-user.carrolltonterrace.mtu.briworks.net
216.197.66.140	PTR	140-v301-pool.norcross.fr.briworks.net
216.197.66.196	A+PTR	216-197-66-196.tingfiber.com
216.197.66.198	PTR	198-v302-pool.norcross.fr.briworks.net
216.197.67.98	A	mail.designelectricinc.com
216.197.67.156	PTR	156-static.inovasolutions.com