Robtex

Up: 64.52.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.52.16.0/21
Down right: 64.52.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.52.16.1	PTR	64-52-16-1.client.cypresscom.net
64.52.16.2	PTR	64.52.16.2
64.52.16.3	PTR	64-52-16-3.client.cypresscom.net
64.52.16.4	PTR	64-52-16-4.client.cypresscom.net
64.52.16.19	PTR	64-52-16-19.client.cypresscom.net
64.52.16.35	PTR	64-52-16-35.client.cypresscom.net
64.52.16.51	PTR	64-52-16-51.client.cypresscom.net
64.52.16.64	PTR	64-52-16-64.client.cypresscom.net
64.52.16.82	PTR	64-52-16-82.client.cypresscom.net
64.52.16.195	PTR	195.16.52.64.in-addr.arpa
64.52.17.48	PTR	64-52-17-48.client.cypresscom.net
64.52.17.115	PTR	115.17.52.64.in-addr.arpa
64.52.19.19	A	cprtech.net
64.52.20.3	PTR	3.20.52.64.in-addr.arpa
64.52.20.16	PTR	16.20.52.64.in-addr.arpa
64.52.20.17	PTR	17.20.52.64.in-addr.arpa
64.52.20.51	PTR	51.20.52.64.in-addr.arpa
64.52.20.67	PTR	67.20.52.64.in-addr.arpa
64.52.20.97	PTR	97.20.52.64.in-addr.arpa
64.52.20.99	PTR	99.20.52.64.in-addr.arpa
64.52.20.114	PTR	114.20.52.64.in-addr.arpa
64.52.20.131	PTR	131.20.52.64.in-addr.arpa
64.52.20.145	PTR	145.20.52.64.in-addr.arpa
64.52.20.147	PTR	147.20.52.64.in-addr.arpa
64.52.20.161	PTR	161.20.52.64.in-addr.arpa
64.52.20.176	PTR	176.20.52.64.in-addr.arpa
64.52.20.192	PTR	192.20.52.64.in-addr.arpa
64.52.20.193	PTR	193.20.52.64.in-addr.arpa
64.52.20.210	PTR	210.20.52.64.in-addr.arpa
64.52.20.211	PTR	211.20.52.64.in-addr.arpa
64.52.20.226	PTR	226.20.52.64.in-addr.arpa
64.52.20.240	PTR	240.20.52.64.in-addr.arpa
64.52.21.2	A	ns1.hammerhedz.com
64.52.21.3	PTR	64-52-21-3.client.cypresscom.net
64.52.21.3	A	ns2.hammerhedz.com
64.52.21.17	PTR	64-52-21-17.client.cypresscom.net
64.52.21.21	A	mail.verismic.co.uk
64.52.21.32	PTR	64-52-21-32.client.cypresscom.net
64.52.21.33	PTR	64-52-21-33.client.cypresscom.net
64.52.21.44	A	tugshift.com
64.52.21.46	A	exchange.tugboatsoftware.com
64.52.21.48	PTR	64-52-21-48.client.cypresscom.net
64.52.21.64	PTR	64-52-21-64.client.cypresscom.net
64.52.21.66	PTR	64-52-21-66.client.cypresscom.net
64.52.21.80	PTR	64-52-21-80.client.cypresscom.net
64.52.21.97	PTR	97.21.52.64.in-addr.arpa
64.52.21.112	PTR	64-52-21-112.client.cypresscom.net
64.52.21.114	PTR	64-52-21-114.client.cypresscom.net
64.52.21.128	PTR	64-52-21-128.client.cypresscom.net
64.52.21.131	PTR	64-52-21-131.client.cypresscom.net
64.52.21.179	PTR	64-52-21-179.client.cypresscom.net
64.52.21.226	PTR	64-52-21-226.client.cypresscom.net
64.52.21.240	PTR	64-52-21-240.client.cypresscom.net
64.52.22.10	A	ptphases.com
64.52.22.18	A	hotelvelevi.com
64.52.22.24	A	vpervenditti.ml
64.52.22.28	A	lecloud.tk
64.52.22.30	A	elyontrading.com
64.52.22.40	A	dc-fcfd73022c77.dreamytripsholiday.com
64.52.22.40	A	dc-fb51e09e52cf.northernhilltour.com
64.52.22.40	A	dc-3f1004f83c04.travelleadersvacations.com
64.52.22.61	A	hypenet.club
64.52.22.67	PTR	67.22.52.64.in-addr.arpa
64.52.22.73	A	daanishmazhar.com
64.52.22.82	A	samnews.xyz
64.52.22.84	A	oddpodge.com
64.52.22.95	A	kcerove.com
64.52.22.96	PTR	96.22.52.64.in-addr.arpa
64.52.22.102	A	direservers.com
64.52.22.120	A	vertigo.tk
64.52.22.129	A	quavangmocha.com
64.52.22.130	PTR	130.22.52.64.in-addr.arpa
64.52.22.147	PTR	147.22.52.64.in-addr.arpa
64.52.22.151	A	missingtech.net
64.52.22.152	A	ptcorporate.com
64.52.22.152	A	www.ptcorporate.com
64.52.22.176	PTR	176.22.52.64.in-addr.arpa
64.52.22.177	PTR	177.22.52.64.in-addr.arpa
64.52.22.185	A	afrivance.tk
64.52.22.194	PTR	194.22.52.64.in-addr.arpa
64.52.22.207	A	mail.idid-appleaseeing.com
64.52.22.207	A	idid-appleaseeing.com
64.52.22.209	PTR	209.22.52.64.in-addr.arpa
64.52.22.209	A	themeadowspoems.com
64.52.22.219	A	www.ku-cat.com
64.52.22.221	A	www.ns.ky
64.52.22.227	A	stepinweb.ru
64.52.23.4	PTR	4.23.52.64.in-addr.arpa
64.52.23.17	A	simpleuhc.com
64.52.23.18	A	topasiaprojects.com
64.52.23.25	A	rightfixcomputers.ca
64.52.23.33	A	constructperth.com.au
64.52.23.34	A	onlinecasinohouse.net
64.52.23.34	A	missionfitpossible.com
64.52.23.52	A	tubbscutting.com
64.52.23.54	A	rexcontabilidade.com
64.52.23.72	A	www.bvvd.tk
64.52.23.72	A	www.dvvb.tk
64.52.23.72	A	www.bvvb.win
64.52.23.104	A	furkangezek.com
64.52.23.116	A	magicseries.net
64.52.23.116	A	xs.vc
64.52.23.117	A	bestcareindia.com
64.52.23.117	A	droptaxie.com
64.52.23.151	A	mail.binye.xyz
64.52.23.180	A	tranggiaimocha.com
64.52.23.180	A	giaiquavangmocha.com
64.52.23.189	A	siraju.xyz
64.52.23.190	A	mail.tournoi13.org
64.52.23.198	A	filekioi.com
64.52.23.202	A	skysilk.vilp1l.co
64.52.23.216	A	pamperedpets365.com
64.52.23.232	A	tinolabs.com
64.52.24.41	A	workingwarriorsdemo.com
64.52.24.163	A	mail.craneasset.com
64.52.24.193	PTR	64-52-24-193.client.cypresscom.net
64.52.24.193	A	kapcontinuing.com
64.52.25.61	A	exchangeprime.com
64.52.25.107	A	foodmercato.com
64.52.25.250	A	lucascorkum.com
64.52.27.16	PTR	16.27.52.64.in-addr.arpa
64.52.27.17	PTR	17.27.52.64.in-addr.arpa
64.52.27.19	PTR	19.27.52.64.in-addr.arpa
64.52.27.48	PTR	48.27.52.64.in-addr.arpa
64.52.27.67	PTR	67.27.52.64.in-addr.arpa
64.52.27.112	PTR	112.27.52.64.in-addr.arpa
64.52.27.115	PTR	115.27.52.64.in-addr.arpa
64.52.27.128	PTR	128.27.52.64.in-addr.arpa
64.52.27.130	PTR	130.27.52.64.in-addr.arpa
64.52.27.146	PTR	146.27.52.64.in-addr.arpa
64.52.27.160	PTR	160.27.52.64.in-addr.arpa
64.52.27.176	PTR	176.27.52.64.in-addr.arpa
64.52.27.177	PTR	177.27.52.64.in-addr.arpa
64.52.27.179	PTR	179.27.52.64.in-addr.arpa
64.52.27.194	PTR	194.27.52.64.in-addr.arpa
64.52.27.208	PTR	208.27.52.64.in-addr.arpa
64.52.27.209	PTR	209.27.52.64.in-addr.arpa
64.52.27.243	PTR	243.27.52.64.in-addr.arpa
64.52.28.132	A	6d.1qaz.ca
64.52.28.166	A	ip-64-52-28-166.fibre.fibrestream.ca
64.52.30.56	A	mail.nflplanet.com