Robtex

Up: 64.251.16.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.251.16.0/24
Down right: 64.251.17.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.251.16.55	A	discoverychannelconcurso.com
64.251.16.90	A	spainusabsn.net
64.251.16.130	A	mail2.turbosquid.com
64.251.16.133	A	entouragecollection.com
64.251.16.135	A	mail.gamasutraexchange.com
64.251.16.135	A	*.gamasutraexchange.com
64.251.16.138	PTR	revitblog.turbosquid.com
64.251.16.138	A	gamasutraexchange.com
64.251.16.138	A	www.gamasutraexchange.com
64.251.16.144	PTR	files1.gameflood.com
64.251.16.144	A	aspmx3.googlemail.com.squidplatform.com
64.251.16.144	A	aspmx.l.google.com.squidplatform.com
64.251.16.149	A	123dcatch.com
64.251.16.149	A	www.the123d.com
64.251.16.149	A	123dmake.com
64.251.17.0	PTR	hosted.by.igsobe.com
64.251.17.1	PTR	router.igsobe.com
64.251.17.4	PTR	4-164-111-65.serverpronto.com
64.251.17.5	PTR	5-164-111-65.serverpronto.com
64.251.17.10	PTR	biz.e-rak.com
64.251.17.17	PTR	xivio.com
64.251.17.21	A+PTR	sw3.vidanetwork.net
64.251.17.21	A	www.vidanetwork.net
64.251.17.21	A	vidanetwork.net
64.251.17.22	A+PTR	sw7.vidanetwork.net
64.251.17.22	A	dns1.vidanetwork.net
64.251.17.22	A	sw9.vidanetwork.net
64.251.17.25	PTR	25-164-111-65.serverpronto.com
64.251.17.25	A	universal-mechanism.org
64.251.17.25	A	www.bodhizazen.net
64.251.17.43	PTR	nightowldvr.com
64.251.17.43	A	nightowldvr.org
64.251.17.43	A	newddns.com
64.251.17.44	PTR	swanndvr.com
64.251.17.44	A	hostmaster.swanndvr.com
64.251.17.44	A	mydvr.swanndvr.com
64.251.17.45	PTR	45-164-111-65.serverpronto.com
64.251.17.46	PTR	wiscopts.net
64.251.17.50	PTR	ns1.yourdreamnet.com
64.251.17.52	PTR	dyndnsservices.com
64.251.17.52	A	myfreeip.me
64.251.17.52	A	habitecvideo.com
64.251.17.53	PTR	dyndnsservices.com
64.251.17.54	PTR	54-164-111-65.serverpronto.com
64.251.17.54	A	millwoodlakeguideservice.com
64.251.17.55	PTR	host3.signals2you.com
64.251.17.55	A	e2video.com
64.251.17.57	PTR	57-164-111-65.serverpronto.com
64.251.17.61	A+PTR	mail.theitmasters.com
64.251.17.61	A	mail.lexarian.com
64.251.17.61	A	mail.spectrasol.us
64.251.17.64	A	dns1.everex.com.mx
64.251.17.65	A	dns2.everex.com.mx
64.251.17.66	A	dns3.everex.com.mx
64.251.17.70	PTR	70-164-111-65.serverpronto.com
64.251.17.76	A	girlracerscrap.com
64.251.17.86	PTR	86-164-111-65.serverpronto.com
64.251.17.86	A	facel.mx
64.251.17.87	PTR	mx1.cantonassociation.com
64.251.17.87	A	facel.mx
64.251.17.87	A	facelmexico.com
64.251.17.128	PTR	128-164-111-65.serverpronto.com
64.251.17.129	PTR	129-164-111-65.serverpronto.com
64.251.17.132	A	smittyusn1.com
64.251.17.132	A	figzbox.info
64.251.17.132	A	floridarestsupply.com
64.251.17.134	PTR	134-164-111-65.serverpronto.com
64.251.17.136	PTR	host2.netreasoning.com
64.251.17.136	A	qcardy.com
64.251.17.136	A	qcard.info
64.251.17.137	PTR	137-164-111-65.serverpronto.com
64.251.17.138	PTR	138-164-111-65.serverpronto.com
64.251.17.138	A	bestlle.com
64.251.17.141	A	greeout.com
64.251.17.144	PTR	144-164-111-65.serverpronto.com
64.251.17.148	PTR	s5.elite-server.com
64.251.17.150	PTR	150-164-111-65.serverpronto.com
64.251.17.151	PTR	host7.netreasoning.com
64.251.17.151	A	allcatsarebad.com
64.251.17.151	A	www.allcatsarebad.com
64.251.17.155	PTR	155-164-111-65.serverpronto.com
64.251.17.155	A	ns2.mm-tech-group.com
64.251.17.155	A	ns1.mm-tech-group.com
64.251.17.156	PTR	156-164-111-65.serverpronto.com
64.251.17.156	A	ns3.mm-tech-group.com
64.251.17.156	A	ns4.mm-tech-group.com
64.251.17.177	A+PTR	server.dannetstudio.com
64.251.17.177	A	www.dannetstudio.com
64.251.17.177	A	dannetstudio.com.ar
64.251.17.178	A+PTR	dns2.dannetstudio.com
64.251.17.178	A	www.onemilliondirectory.com
64.251.17.178	A	onemilliondirectory.com
64.251.17.179	PTR	dns3.dannetstudio.com
64.251.17.179	A	mail.irishhollow.com
64.251.17.180	A+PTR	dns4.dannetstudio.com
64.251.17.180	A	clubcupon.net
64.251.17.180	A	messentools.com
64.251.17.181	A+PTR	dns5.dannetstudio.com
64.251.17.182	A+PTR	dns6.dannetstudio.com
64.251.17.182	A	messentools.com
64.251.17.182	A	meganod.com
64.251.17.183	PTR	dns7.dannetstudio.com
64.251.17.184	A	viatigre.com
64.251.17.184	A	viatigre.com.ar
64.251.17.184	A	dns8.dannetstudio.com
64.251.17.185	PTR	dns9.dannetstudio.com
64.251.17.186	PTR	dns10.dannetstudio.com
64.251.17.187	A+PTR	dns11.dannetstudio.com
64.251.17.187	A	awebanalysis.com
64.251.17.187	A	bitcointools.site
64.251.17.188	PTR	dns12.dannetstudio.com
64.251.17.188	A	starcbarreiro.com
64.251.17.188	A	altogato.com.ar
64.251.17.189	PTR	dns13.dannetstudio.com
64.251.17.202	PTR	svr2.fazt.net
64.251.17.202	A	partyspycam.com
64.251.17.202	A	ns2.partyspycam.com
64.251.17.226	PTR	226-164-111-65.serverpronto.com
64.251.17.247	PTR	dragonwings.org
64.251.17.248	PTR	a.mx.cirdanetireth.com
64.251.17.248	A	riorentals4less.com
64.251.17.250	A	bodiesbybenllc.com