Robtex

Up: 216.25.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.25.16.0/22
Down right: 216.25.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.25.16.1	PTR	vbuy.com
216.25.16.4	PTR	visualexstasy.com
216.25.16.4	PTR	bounder.org
216.25.16.8	PTR	msbdesigns.com
216.25.16.26	PTR	lpbc.org
216.25.16.34	PTR	cpucpu.com
216.25.16.77	PTR	familyforever.org
216.25.16.80	A+PTR	xiavan.interland.net
216.25.16.83	PTR	dcsboulder.com
216.25.16.100	PTR	csbs.edu
216.25.16.102	PTR	buyboots.com
216.25.16.102	PTR	dazbog.com
216.25.16.104	PTR	vmap.com
216.25.16.107	PTR	db3.net
216.25.16.183	A	mail.manfun.com
216.25.16.183	A	mail.twinspirals.com
216.25.16.183	A	mail.websafari.com
216.25.16.239	A	mail.dieter.interland.net
216.25.16.240	PTR	mail.hansel.interland.net
216.25.17.5	A	catilus.com
216.25.17.18	A	oneirvingplace.com
216.25.17.56	PTR	rw-i.com
216.25.17.151	PTR	sunshine.org
216.25.17.151	A	gill.interland.net
216.25.17.159	A	gotreasureisland.com
216.25.17.159	A	vacationtreasureisland.com
216.25.17.161	A	safepavement.com
216.25.17.161	A	safepavement.org
216.25.17.185	PTR	summacare.com
216.25.18.2	A+PTR	greenwichworkshop.com
216.25.18.2	A	greenwichworkshopgallery.com
216.25.18.2	A	www.greenwichworkshop.com
216.25.18.12	PTR	radiology.com
216.25.18.12	PTR	calendar.radiology.com
216.25.18.12	PTR	ftp.radiology.com
216.25.18.28	PTR	mortgages-fla.com
216.25.18.34	PTR	directmatches.com
216.25.18.37	A	secure.internetoutcomes.net
216.25.18.38	A	capsure.internetoutcomes.net
216.25.18.53	A	confidentdentaldiscount.com
216.25.18.64	PTR	abacus2.com
216.25.18.65	PTR	magellan-net.com
216.25.18.65	PTR	misaine.com
216.25.18.66	A+PTR	mail1.commitforlife.org
216.25.18.66	A	digitaldonor.org
216.25.18.66	A	creditscoresconnect.com
216.25.18.75	PTR	randow.com
216.25.18.81	PTR	hbc-contracting.com
216.25.18.84	PTR	profitplanet.com
216.25.18.101	A	nutrinetweb.com
216.25.18.101	A	www.scscafe.com
216.25.18.101	A	schoolusa.nutrinetweb.com
216.25.18.115	PTR	mail.medisolv.net
216.25.18.115	A	mail.medisolv.com
216.25.18.116	PTR	gsi-add.com
216.25.18.118	PTR	jamessquare.com
216.25.18.132	PTR	mail.pathfinderdigital.net
216.25.18.136	PTR	tbcintegration.com
216.25.18.141	PTR	mail.fortus.net
216.25.18.142	A	conetwork.com
216.25.18.142	A	mail.conetwork.com
216.25.18.148	PTR	cashpor.com
216.25.18.157	PTR	lextek-boulder.com
216.25.18.165	A	charterexpeditionyachts.com
216.25.18.165	A	demogood.com
216.25.18.171	A	smtp.earthplaza.com
216.25.18.178	A+PTR	snetdgfileshare.com
216.25.18.187	PTR	rnh.net
216.25.18.199	PTR	secretsofindy.com
216.25.18.207	PTR	weaks.com
216.25.18.211	PTR	wilsontechnologies.us
216.25.18.211	A	magentagold.com
216.25.18.212	A	mail.mksusa.com
216.25.18.212	A	*.mksusa.com
216.25.18.227	A+PTR	league-online.com.au
216.25.18.227	A	donate.michigan.versiti.org
216.25.18.227	A	leagueonline.com.au
216.25.18.228	A	schoolzone.net.au
216.25.18.240	PTR	netfriend.net
216.25.18.243	A	lansingburghboysandgirlsclub.org
216.25.18.243	A	sanfordbgc.org
216.25.18.243	A	www.alaskacasa.org
216.25.18.249	PTR
216.25.18.249	A	www.thecasaproject.org
216.25.18.250	PTR	ssr.net
216.25.18.253	A	wakemanclub.com
216.25.18.253	A	kimberleesheppard.com
216.25.18.253	A	www.wakemanclub.com
216.25.19.12	PTR	mail.efal.com
216.25.19.20	PTR	mail.staplesart.com
216.25.19.113	PTR	mail.jobadvice.dk
216.25.19.113	PTR	mail.logicon.dk
216.25.19.128	PTR	mail.patriothomes.com
216.25.19.166	A	mail.lookinaround.com
216.25.19.178	PTR	mail.hi-line.com
216.25.19.214	PTR	mail.winnermedical.com
216.25.20.10	PTR	wvsr.com
216.25.20.21	A	www.ewdfl.com
216.25.20.37	PTR	robin-jordan.com
216.25.20.42	PTR	airmotion.com
216.25.20.42	PTR	haasfamily.com
216.25.20.42	PTR	specializedcomputing.com
216.25.20.43	PTR	nikemissile.org
216.25.20.61	PTR	cjconsultants.com
216.25.20.64	PTR	oliandesign.com
216.25.20.65	PTR	mutualfaith.org
216.25.20.72	PTR	fawcettboat.com
216.25.20.75	PTR	hoffland.net
216.25.20.85	PTR	techstudio.com.br
216.25.20.86	PTR	womenslawproject.org
216.25.20.96	PTR	udrt.com
216.25.20.104	PTR	free4exchange.com
216.25.20.125	PTR	urbeen.com
216.25.20.131	PTR	intermodalwest.com
216.25.20.133	PTR	paxco.net
216.25.20.148	PTR	mintmodels.com
216.25.20.154	PTR	agdc.com
216.25.20.160	PTR	mana
216.25.20.160	PTR	docweb.com
216.25.20.160	PTR	turkplaza.net
216.25.20.164	PTR	mcsoft.com
216.25.20.168	PTR	star.com
216.25.20.176	PTR	ladacin.org
216.25.20.184	PTR	nsa-il.org
216.25.20.197	PTR	telepromotionvideo.com
216.25.20.198	PTR	ascicorp.com
216.25.20.208	PTR	tasnorthridge.org
216.25.20.211	PTR	tibbettsrealty.com
216.25.20.225	PTR	eagletimes.com
216.25.20.243	PTR	fbw-cpa.com
216.25.20.249	PTR	bnfco.com
216.25.21.4	PTR	basis-hh.com
216.25.21.4	PTR	mandarinmortgage.com
216.25.21.13	PTR	atmelrose.com
216.25.21.15	PTR	datamat.com
216.25.21.21	PTR	fletchercsi.com
216.25.21.24	PTR	sibirdclub.com
216.25.21.27	PTR	icamasianmall.com
216.25.21.27	PTR	icambondagemall.com
216.25.21.27	PTR	icamsexmall.com
216.25.21.36	PTR	jayshree.com
216.25.21.38	PTR	mediasolv.com
216.25.21.56	PTR	smcd.com
216.25.21.56	PTR	mike.smcd.com
216.25.21.68	PTR	alpan.com
216.25.21.95	PTR	prp.com
216.25.21.117	PTR	e-mediaplus.com
216.25.21.127	PTR	tighe-co.com
216.25.21.129	A	www.pipc.org
216.25.21.136	PTR	fcis.org
216.25.21.140	PTR	nwcd.com
216.25.21.141	PTR	godaddy.com
216.25.21.163	PTR	slaafws.org
216.25.21.171	PTR	wecnyc.com
216.25.21.210	PTR	nhms.com
216.25.21.211	PTR	padua.net
216.25.21.212	PTR	isft.org
216.25.21.217	PTR	quixnet.com
216.25.21.223	PTR	fredlake.com
216.25.22.20	PTR	littleco.com
216.25.22.32	PTR	lamariposa.com
216.25.22.33	PTR	lamariposa.com
216.25.22.49	PTR	serony.com
216.25.22.50	PTR	yoh.net
216.25.22.51	PTR	yunusemre.com
216.25.22.64	PTR	argiope.net
216.25.22.91	PTR	mctourva.com
216.25.22.97	PTR	inphi-corp.com
216.25.22.104	PTR	ma-al.com
216.25.22.176	PTR	jsginc.com
216.25.22.195	PTR	ihrcorp.com
216.25.22.201	PTR	www.genesyslogic.com
216.25.22.226	PTR	2it.com
216.25.22.234	PTR	outdoorswithtkandmike.com
216.25.22.238	PTR	stotarch.com
216.25.22.238	PTR	stottarch.com
216.25.22.243	PTR	aloha2000.com
216.25.22.243	PTR	medical-central.com
216.25.22.243	PTR	planetdata.com
216.25.22.250	PTR	a-maid.com
216.25.23.34	PTR	mail.seedconsultants.com
216.25.23.43	PTR	mail.peterlucas.com
216.25.23.95	A	mail.magnacharta.net
216.25.23.133	PTR	mail.tambayan.org
216.25.23.163	PTR	mail.davidjsiremd.com
216.25.23.163	PTR	mail.love-match.com
216.25.23.163	PTR	mail.silverplaters.com
216.25.23.170	PTR	mail.westernsilver.com
216.25.23.173	A	mail.littletonimage.interland.net
216.25.23.173	A	mail.tonym.interland.net
216.25.23.211	PTR	mail.afs-usa.com
216.25.23.212	PTR	mail.calliopeinc.com