Robtex

Up: 72.51.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.51.8.0/22
Down right: 72.51.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.51.8.10	A	brisancemedia.com
72.51.8.10	A	haulexperts.com
72.51.8.10	A	alfiee.com
72.51.8.49	A	mx2.fivegmedia.com
72.51.8.49	A	mx1.fivegmedia.com
72.51.8.102	A	www.logison.eu
72.51.8.102	A	sound-masking-specs.com
72.51.8.102	A	soundmaskingspecification.com
72.51.8.104	A	haltonhealthcare.com
72.51.8.104	A	haltonhealthcare.on.ca
72.51.8.106	PTR	brookfieldmail.com
72.51.8.106	A	www.soundvest.ca
72.51.8.106	A	pvii.ca
72.51.8.116	A	jacksprofessional.com
72.51.8.116	A	burlingtonpac.ca
72.51.8.116	A	luxlaundry.ca
72.51.8.118	PTR	mail.authserv.ca
72.51.8.120	PTR	host.getoneapp.io
72.51.8.120	A	bydesignofficemovers.com
72.51.8.120	A	ns1.getoneapp.io
72.51.8.198	A	web3.mastermindpro.com
72.51.8.202	A	exchis2.mastermindpro.com
72.51.8.230	A	mtreservations.ca
72.51.8.231	A	bookkingston.com
72.51.9.11	A	autoguides.com
72.51.9.21	A	yogawithaaron.ca
72.51.9.27	PTR	personalwatercraft.com
72.51.9.28	PTR	motorcycle.com
72.51.9.28	A	motorcycle.net
72.51.9.28	A	motorcycleforums.com
72.51.9.36	A	mail.cysis.ca
72.51.9.38	PTR	technologyforum.com
72.51.9.39	PTR	webmasterforums.com
72.51.9.40	PTR	snowmobileworld.com
72.51.9.42	PTR	v-twinforum.com
72.51.9.42	A	954rr.com
72.51.9.47	PTR	atv-forum.com
72.51.9.48	PTR	baseballforum.com
72.51.9.50	PTR	boxingforum.com
72.51.9.56	PTR	lacrosseforum.com
72.51.9.57	PTR	menstennisforums.com
72.51.9.58	PTR	mmaforum.com
72.51.9.59	PTR	xtratime.org
72.51.9.67	PTR	tennisuniverse.com
72.51.9.87	A	nascarforum.com
72.51.9.100	PTR	postoffice.verticalscope.com
72.51.9.180	PTR	oslo.clusterspan.net
72.51.9.180	A	a.gourdet.com
72.51.9.226	PTR	ns1.comingstar.net
72.51.9.232	A+PTR	harbord.comingstar.net
72.51.9.232	A	iranshafagh.net
72.51.9.232	A	iranshafagh.com
72.51.9.244	PTR	sql.comingstar.net
72.51.10.3	PTR	static-72-51-103.scom.ca
72.51.10.4	PTR	static-72-51-104.scom.ca
72.51.10.8	PTR	static-72-51-108.scom.ca
72.51.10.10	PTR	static-72-51-1010.scom.ca
72.51.10.24	PTR	static-72-51-1024.scom.ca
72.51.10.25	PTR	static-72-51-1025.scom.ca
72.51.10.26	PTR	static-72-51-1026.scom.ca
72.51.10.32	PTR	svr1.escherlogic.com
72.51.10.41	PTR	static-72-51-1041.scom.ca
72.51.10.43	PTR	static-72-51-1043.scom.ca
72.51.10.51	PTR	static-72-51-1051.scom.ca
72.51.10.64	PTR	static-72-51-1064.scom.ca
72.51.10.66	PTR	static-72-51-1066.scom.ca
72.51.10.73	PTR	static-72-51-1073.scom.ca
72.51.10.82	PTR	static-72-51-1082.scom.ca
72.51.10.89	PTR	static-72-51-1089.scom.ca
72.51.10.90	PTR	static-72-51-1090.scom.ca
72.51.10.98	PTR	static-72-51-1098.scom.ca
72.51.10.104	PTR	static-72-51-10104.scom.ca
72.51.10.120	PTR	static-72-51-10120.scom.ca
72.51.10.136	PTR	static-72-51-10136.scom.ca
72.51.10.147	PTR	static-72-51-10147.scom.ca
72.51.10.152	PTR	static-72-51-10152.scom.ca
72.51.10.153	PTR	static-72-51-10153.scom.ca
72.51.10.154	PTR	static-72-51-10154.scom.ca
72.51.10.155	PTR	static-72-51-10155.scom.ca
72.51.10.160	PTR	static-72-51-10160.scom.ca
72.51.10.162	PTR	static-72-51-10162.scom.ca
72.51.10.163	PTR	static-72-51-10163.scom.ca
72.51.10.170	PTR	static-72-51-10170.scom.ca
72.51.10.171	PTR	static-72-51-10171.scom.ca
72.51.10.177	PTR	static-72-51-10177.scom.ca
72.51.10.178	PTR	static-72-51-10178.scom.ca
72.51.10.179	PTR	static-72-51-10179.scom.ca
72.51.10.187	PTR	static-72-51-10187.scom.ca
72.51.10.193	PTR	static-72-51-10193.scom.ca
72.51.10.194	PTR	static-72-51-10194.scom.ca
72.51.10.201	PTR	static-72-51-10201.scom.ca
72.51.10.202	PTR	static-72-51-10202.scom.ca
72.51.10.216	PTR	static-72-51-10216.scom.ca
72.51.10.218	PTR	static-72-51-10218.scom.ca
72.51.10.225	PTR	static-72-51-10225.scom.ca
72.51.10.227	PTR	static-72-51-10227.scom.ca
72.51.10.235	PTR	static-72-51-10235.scom.ca
72.51.10.248	PTR	static-72-51-10248.scom.ca
72.51.11.32	PTR	ns1648.ztomy.com
72.51.11.44	A	mywizton.com
72.51.11.99	PTR	services.datafix.com
72.51.11.100	PTR	traininglab.platespin.com
72.51.11.101	PTR	hermes.datafix.com
72.51.11.132	A+PTR	jmagdist.com
72.51.11.132	PTR	mastaustralia.com.au
72.51.11.133	A	aicon.org.au
72.51.11.133	A	www.aicon.org.au
72.51.11.134	A	pyxroad.com
72.51.11.136	A	antolilly.com
72.51.11.136	A	graspelectronics.com
72.51.11.136	A	livelocalgr.com
72.51.11.144	A+PTR	webmail.couch-associates.com
72.51.11.144	A	verxdirect.net
72.51.11.145	A	facadestesting.com
72.51.11.145	A	steelalmet.com
72.51.11.152	A	libertyautorecyclers.com
72.51.11.153	A	voyagelennoxville.com
72.51.11.153	A	mail.voyageslennoxville.com
72.51.11.154	A	bling-bling-beads.com
72.51.11.160	A	patisseriesmichaud.com
72.51.11.162	A	davesmithdrummer.co.uk
72.51.11.162	A	giftsandapparels.com
72.51.11.162	A	rockcurl.com
72.51.11.168	A	www.getyoursmileback.co.uk
72.51.11.168	A	getyoursmileback.co.uk
72.51.11.169	A	dbsigns.com.au
72.51.11.170	A	sekrondgroup.com
72.51.11.177	A	highgatebeauty.com
72.51.11.178	A	trinitywoodworks.com
72.51.11.178	A	murphybeds-edmonton.com
72.51.11.179	PTR	shieldenvironmental.ca
72.51.11.179	PTR	cambabode.com
72.51.11.179	A	mail.cambabode.com
72.51.11.184	A	sttai.com
72.51.11.185	A	lovefoundforyou.com
72.51.11.185	A	mail.loveyouacademy.com
72.51.11.187	A	mevefitness.com
72.51.11.188	PTR	arugula.com.au
72.51.11.194	A	mail.mackdaddys.com.au
72.51.11.195	A	vandemonian.info
72.51.11.196	A	mail.ascenddroneacademy.com
72.51.11.196	A	cb-management.com
72.51.11.200	A+PTR	larissaprince.com
72.51.11.200	A	mail.larissaprince.com
72.51.11.201	A	creaticenter.es
72.51.11.202	A	petzfamily.com
72.51.11.209	A	aksomitis.com
72.51.11.209	A	www.aksomitis.com
72.51.11.212	A	pcexpert.com.au
72.51.11.214	A	factore.eu
72.51.11.215	PTR	gctraining.ca
72.51.11.216	A	rdresses.com
72.51.11.217	A+PTR	pciregistry.com
72.51.11.218	A	belgrakk.net
72.51.11.218	A	mail.belgrakk.net
72.51.11.224	A	canadacoaching.com
72.51.11.224	A	canada-coaching.com
72.51.11.224	A	lecentrepnl.com
72.51.11.232	A	ns1312.websiteservername.com
72.51.11.232	A	tradein.com.mx
72.51.11.233	A+PTR	agscape.ca
72.51.11.233	A	fgpersonalcareassistants.com
72.51.11.235	PTR	lowelife.com
72.51.11.240	A	www.nowhouse.tv
72.51.11.240	A	thehouseathopecorner.com
72.51.11.240	A	nowemail.net
72.51.11.248	A	verticalsnowsports.net
72.51.11.248	A	vertikalsnowsports.net
72.51.11.250	A	mantoveacademy.com
72.51.11.252	A	arretonsdefumer.com
72.51.12.8	A+PTR	kvm.conflux.net
72.51.12.10	A+PTR	ns1.conflux.net
72.51.12.11	PTR	mail.conflux.net
72.51.12.12	A+PTR	ns2.conflux.net
72.51.12.16	A+PTR	tonkinese.conflux.net
72.51.12.17	A	abyssinian.conflux.net
72.51.12.19	A	ragdoll.conflux.net
72.51.12.21	A	nebelung.conflux.net
72.51.12.32	A	www.cryptocybernetics.com
72.51.12.33	A	server.cryptocybernetics.com
72.51.12.34	A	secure.cryptocybernetics.com
72.51.12.35	A+PTR	projects.cryptocybernetics.com
72.51.12.42	PTR	painter.org
72.51.12.42	A	mail.painter.org
72.51.12.44	PTR	xsides.com
72.51.12.58	PTR	acorndynamics.com
72.51.12.70	PTR	nason.net
72.51.12.90	PTR	knotpad.com
72.51.12.95	A+PTR	conflux.net
72.51.12.95	A	www.conflux.net
72.51.12.95	A	mail.conflux.net
72.51.12.97	PTR	conflux.com
72.51.12.98	A+PTR	tjp.conflux.net
72.51.12.99	A	park.conflux.net
72.51.12.110	A+PTR	switchbox.com
72.51.12.110	A	darkstone.com
72.51.12.110	A	darkstone.info
72.51.12.112	A+PTR	tchou.com
72.51.12.114	A+PTR	vpix.com
72.51.12.114	A	www.vpix.com
72.51.12.144	PTR	p17.org
72.51.12.146	A	cdn.p17.org
72.51.12.147	PTR	dns.p17.org
72.51.12.153	A	mail.p17.org
72.51.12.153	A	mail.pavelt.com
72.51.12.156	PTR	treskunov.org
72.51.13.10	PTR	dns.winkwinknodnod.net
72.51.13.22	PTR	hoosier.winkwinknodnod.net
72.51.14.11	PTR	mail.bollingerbands.net
72.51.14.83	PTR	www3.grouppower.com
72.51.14.104	PTR	stage.patternpower.com
72.51.14.201	PTR	stage.basket-trader.com
72.51.14.232	PTR	www.mtaef.net