Robtex

Up: 216.247.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.247.244.0/23
Down right: 216.247.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.247.244.13	PTR	developersstudio.com
216.247.244.13	PTR	jrwebster.com
216.247.244.32	PTR	f-konsult.com
216.247.244.34	PTR	11844.ie
216.247.244.35	PTR	a-comlink.com
216.247.244.35	PTR	getafreedotcom.com
216.247.244.38	PTR	longleafadvisors.com
216.247.244.47	PTR	wtbuilders.com
216.247.244.53	PTR	haciendacusin.com
216.247.244.54	PTR	online-presence.net
216.247.244.57	PTR	rotowinner.com
216.247.244.70	PTR	ifma.net
216.247.244.80	PTR	spence.net
216.247.244.85	PTR	starchamber.com
216.247.244.96	A	shoppingvista.com
216.247.244.107	PTR	allegraeditions.com
216.247.244.126	PTR	elapestano.com
216.247.244.130	PTR	nicelygroup.com
216.247.244.130	PTR	pascd.org
216.247.244.130	PTR	ftp.nicelygroup.com
216.247.244.158	PTR	hochelaga.net
216.247.244.158	PTR	hochelaja.net
216.247.244.160	PTR	bananapatch.com
216.247.244.165	PTR	eccircle.com
216.247.244.175	A	impuestos.com
216.247.244.175	A	contadorpublico.com
216.247.244.192	PTR	wallconsulting.com
216.247.244.202	PTR	ipp-ips.com
216.247.244.203	PTR	nitrogolf.com
216.247.244.208	PTR	thurstons.net
216.247.244.245	PTR	sjp.com
216.247.244.245	PTR	interactive.sjp.com
216.247.245.15	PTR	friscolaw.com
216.247.245.21	PTR	vectorcore.com
216.247.245.21	PTR	zero-technology.com
216.247.245.28	PTR	springbreakers.net
216.247.245.45	PTR	trading2win.com
216.247.245.48	PTR	c-s-f.org
216.247.245.50	PTR	packin.com
216.247.245.53	PTR	sparkcapital.com
216.247.245.56	PTR	europlacer.fr
216.247.245.61	PTR	apollo.com
216.247.245.61	PTR	apollobey.com
216.247.245.79	PTR	c21jeff.com
216.247.245.84	PTR	mmcrs.com
216.247.245.109	PTR	bid-x.com
216.247.245.112	PTR	sa-siamfittings.com
216.247.245.117	PTR	bizdegree.com
216.247.245.124	PTR	dvdaddiction.com
216.247.245.134	PTR	expressoshoppe.com
216.247.245.135	PTR	gamephd.com
216.247.245.141	PTR	royaltyresortforpets.com
216.247.245.145	PTR	sepup.org
216.247.245.166	PTR	alfakleen.com
216.247.245.178	PTR	creolecandy.com
216.247.245.182	PTR	coastalsunbelt.com
216.247.245.211	PTR	vefonline.com
216.247.245.227	PTR	qgme.com
216.247.245.254	PTR	thehillschool.org
216.247.246.43	PTR	fullcast.com
216.247.246.46	PTR	tru-solutions.com
216.247.246.72	PTR	mariebodson.com
216.247.246.112	PTR	peterjcrosa.com
216.247.246.115	PTR	mobiliarioseating.com
216.247.246.123	PTR	congajazz.com
216.247.246.143	A	paulaslater.org
216.247.246.143	A	paulaslater.net
216.247.246.145	PTR	hit-gym.com
216.247.246.164	PTR	wisebits.com
216.247.246.210	A	autorita.co.il
216.247.247.11	PTR	npsf.org
216.247.247.16	PTR	singingpierotfamily.com
216.247.247.17	PTR	cdtschool.com
216.247.247.23	A	comprocomputers.org
216.247.247.23	A	compro-computers.org
216.247.247.48	PTR	refinish.com
216.247.247.55	PTR	jesna.org
216.247.247.58	PTR	ccipower.com
216.247.247.79	PTR	iswd.com
216.247.247.89	PTR	interstudy.org
216.247.247.91	PTR	dianebrandon.com
216.247.247.97	PTR	pilatesdirect.com
216.247.247.132	PTR	skinsense.com
216.247.247.143	PTR	pacesetterusa.com
216.247.247.150	PTR	furninfo.com
216.247.247.161	PTR	playfulpia.com
216.247.247.161	PTR	playfulpia.net
216.247.247.177	PTR	rokazo.com
216.247.247.179	PTR	bugs2k.com
216.247.247.183	PTR	archos.com
216.247.247.204	PTR	schecterguitars.com
216.247.247.205	PTR	dmpmarine.com
216.247.247.215	PTR	sonomacounty.com
216.247.247.229	PTR	floridasportsman.com
216.247.247.233	PTR	onecnc.com
216.247.247.234	PTR	commandsecurity.com
216.247.247.249	PTR	chicagotheband.com