Robtex

Up: 216.160.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.160.0.0/23
Down right: 216.160.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.160.0.9	PTR	216.160.0.9.muchtall.com
216.160.0.9	A	mail-20.muchtall.com
216.160.0.10	PTR	mail.makorsolutions.com
216.160.0.10	A	remote.makorsolutions.com
216.160.0.12	A+PTR	mail.kandeconsulting.com
216.160.0.14	A	mail.collision-centermn.com
216.160.0.14	A	mail.collisioncentermn.com
216.160.0.15	A	interservcorp.com
216.160.0.57	PTR	currentdynamics.com
216.160.0.57	PTR	houseon32nd.com
216.160.0.57	PTR	houseon41st.com
216.160.0.69	A	sleepypete.net
216.160.0.71	A	www.pennsive.com
216.160.0.71	A	pennsive.com
216.160.0.71	A	*.pennsive.com
216.160.0.97	PTR	hilleren.com
216.160.0.100	A	mail.insightscreenprinting.com
216.160.0.104	A+PTR	dsime.com
216.160.0.104	A	smtp.dsime.com
216.160.0.104	A	mail.dsime.com
216.160.0.129	A+PTR	mail.rivercityglassinc.com
216.160.0.132	A	smtp.paymygarbagebill.com
216.160.0.132	A	paymygarbagebill.com
216.160.0.156	A	mail.stonewatermedical.com
216.160.0.187	PTR	gateway.digitaltoolbox-inc.com
216.160.0.187	A	onethirtynine.com
216.160.0.187	A	ns1.digitaltoolbox-inc.com
216.160.0.189	PTR	mail.naqt.com
216.160.0.189	A	silicon-age.com
216.160.0.189	A	hentzel.com
216.160.0.193	A+PTR	mail.savemetechs.net
216.160.0.193	A	savemetechs.net
216.160.0.197	PTR	ns1327.ztomy.com
216.160.0.219	PTR	mail.puklich.com
216.160.0.223	PTR	iupat82.org
216.160.0.223	PTR	mnft.org
216.160.0.223	A	mail.ftium.org
216.160.0.252	PTR	leonardo.tigerjimmy.com
216.160.0.252	A	leonardo.paulhintz.com
216.160.0.252	A	bravenewkitty.com
216.160.0.253	PTR	mail.ampmelec.com
216.160.1.3	PTR	livia.initiator.com
216.160.1.20	PTR	mail.wisti.com
216.160.1.20	A	ns.wisti.us
216.160.1.20	A	ns.wisti.info
216.160.1.73	A	kcskustomcreations.com
216.160.1.75	A	cedar.cjensen.net
216.160.1.90	A	stenzgraphics.com
216.160.1.128	PTR	mail.mckeeandrews.com
216.160.1.177	A	ajcarlson.net
216.160.1.177	A	mnconstructionjobs.com
216.160.1.177	A	sdconstructionjobs.com
216.160.2.12	PTR	mail.rljk.com
216.160.2.29	A	zoixinc.net
216.160.2.49	A+PTR	deirdre.thelindsays.org
216.160.2.49	A	ns3.thelindsays.org
216.160.2.49	A	thelindsays.org
216.160.2.51	A	crosby.thelindsays.org
216.160.2.53	A+PTR	sinead.thelindsays.org
216.160.2.53	A	ns1.thelindsays.org
216.160.2.53	A	danlindsay.com
216.160.2.54	A	gateway.thelindsays.org
216.160.2.57	PTR	dns.lakesoft.net
216.160.2.99	A	flyingsouthmetals.com
216.160.2.99	A	artastiktile.com
216.160.2.99	A	applevalley.co
216.160.2.101	A+PTR	mail.teccompservice.com
216.160.2.101	A	mail.artastiktile.com
216.160.2.101	A	mail.personally4you.com
216.160.2.132	A	mail.infrasupportetc.com
216.160.2.132	A	mail.infrasupport.com
216.160.2.133	A	dgregscott.com
216.160.2.133	A	www.dgregscott.com
216.160.2.185	A	triagenttools.com
216.160.2.186	A	trollhaugengifts.com
216.160.3.10	PTR	mail.walkermethodist.org
216.160.3.33	A	home.mzion.org
216.160.3.49	PTR	www.cits-dnames.com
216.160.3.79	PTR	headius.com
216.160.3.79	A	ruboto.net
216.160.3.79	A	ruboto.info
216.160.3.113	A	mail.triasdevelopment.com
216.160.3.115	PTR	paradox.twistedpair.net
216.160.3.115	A	uselesssuperhero.com
216.160.3.115	A	laurenpallotta.com
216.160.3.117	A	jkwarren.info
216.160.3.117	A	jekewa.com
216.160.3.117	A	jekewa.info
216.160.3.180	A	schrachta.com
216.160.3.180	A	mail.schrachta.com
216.160.3.182	PTR	remote.edinapethospital.com.3.160.216.in-addr.arpa
216.160.3.197	PTR	mail.managesale.com
216.160.3.213	A	owa.sphalen.com
216.160.3.213	A	email.sphalen.com
216.160.3.213	A	email.sphalen.net
216.160.3.214	A	sphalen.net
216.160.3.233	A	mail.luhman.com