Robtex

Up: 208.53.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.53.44.0/23
Down right: 208.53.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.53.44.24	PTR	208-53-44-24.c7dc.com
208.53.44.35	PTR	208-53-44-35.c7dc.com
208.53.44.35	A	bitcrumbtrail.com
208.53.44.38	PTR	ns1.1centavo.com
208.53.44.38	A	tangranconsultoria.com.br
208.53.44.42	A+PTR	mail.preciantmail.com
208.53.44.42	A	preciantdns.com
208.53.44.42	A	mail.preciant.com
208.53.44.48	PTR	theprotect.be
208.53.44.55	PTR	demo.empowur.com
208.53.44.55	A+PTR	production.empowur.com
208.53.44.55	PTR	qa.empowur.com
208.53.44.57	PTR	208-53-44-57.c7dc.com
208.53.44.57	A	machive.com
208.53.44.59	A	ns.psigma.org.br
208.53.44.62	PTR	drenet.us
208.53.44.62	A	bricebitter.com
208.53.44.62	A	adambradleyemcity.org
208.53.44.104	PTR	208-53-44-104.c7dc.com
208.53.44.104	A	pwise.com
208.53.44.147	PTR	208-53-44-147.c7dc.com
208.53.44.147	A	dns1.comtxt.co
208.53.44.147	A	web.comtxt.co
208.53.44.148	PTR	208-53-44-148.c7dc.com
208.53.44.148	A	ghostchilis.com
208.53.44.148	A	selfrelianthealth.com
208.53.44.149	PTR	208-53-44-149.c7dc.com
208.53.44.149	A	selfrelianthealth.com
208.53.44.149	A	schoolofhealthfreedom.com
208.53.44.150	PTR	208-53-44-150.c7dc.com
208.53.44.154	PTR	208-53-44-154.c7dc.com
208.53.44.154	A	orbitaltss.com
208.53.44.154	A	dns1.gohoplite.net
208.53.44.155	PTR	208-53-44-155.c7dc.com
208.53.44.155	A	orbitaltss.com
208.53.44.155	A	gohoplite.com
208.53.44.156	PTR	208-53-44-156.c7dc.com
208.53.44.156	A	orbitaltss.com
208.53.44.156	A	gohoplite.com
208.53.44.157	PTR	208-53-44-157.c7dc.com
208.53.44.157	A	orbitaltss.com
208.53.44.157	A	gohoplite.com
208.53.44.185	A	smtp.zonder.com
208.53.44.215	PTR	208-53-44-215.c7dc.com
208.53.44.215	A	ns1.silverrack.com
208.53.44.215	A	ns3.preciantdns.com
208.53.44.216	A	www.squitoey.net
208.53.44.217	PTR	vps.stevensonsoftware.com
208.53.44.217	A	silverrackvpshosting.com
208.53.44.217	A	silverrackdns.com
208.53.44.220	A	8pillars.net
208.53.44.222	A	fotomedley.com
208.53.44.222	A	agiletrack.com
208.53.44.227	PTR	ns.italy1.com
208.53.44.228	PTR	208-53-44-228.c7dc.com
208.53.44.228	A	mattei.co
208.53.44.229	A	mail.waychat.com
208.53.44.231	PTR	mail.italy1.com
208.53.44.231	A	mail.spoletotourism.it
208.53.44.231	A	r.ns.freeunix.com
208.53.44.233	PTR	208-53-44-233.c7dc.com
208.53.44.234	PTR	208-53-44-234.c7dc.com
208.53.44.234	A	mail.rm.ht
208.53.44.235	A	ristorantesanlorenzo.com
208.53.44.235	A	spoletohotels.it
208.53.44.235	A	oliomelchiorri.com
208.53.44.236	A	rm.ht
208.53.44.237	A+PTR	qmail7.italy1.com
208.53.44.237	A	mail.hangar15bicycles.com
208.53.44.237	A	mail.h15b.com
208.53.44.238	PTR	208-53-44-238.italy1.com
208.53.44.241	PTR	posta.italy1.com
208.53.44.241	A	posta.remomattei.com
208.53.44.241	A	mail.mattei.co
208.53.44.242	PTR	posta.rm.ht
208.53.44.248	A	mail.mattei.org
208.53.44.248	A	smtp.remomattei.com
208.53.44.252	PTR	mail.italy1.com
208.53.44.252	PTR	qmail.italy1.com
208.53.44.252	A	mail.ironclads.com
208.53.44.253	PTR	208-53-44-253.c7dc.com
208.53.44.253	A	ristorantesanlorenzo.com
208.53.44.253	A	italy1.com
208.53.45.5	PTR	208-53-45-5.c7dc.com
208.53.45.5	A	alerterpro.com
208.53.45.5	A	quickfiddle.com
208.53.45.6	PTR	208-53-45-6.c7dc.com
208.53.45.14	A+PTR	mail.nkmo.com
208.53.45.14	A	ns2.wildadmin.com
208.53.45.14	A	coursesaver.org
208.53.45.37	PTR	208-53-45-37.c7dc.com
208.53.45.37	A	cticoaches.net
208.53.45.64	PTR	208-53-45-64.c7dc.com
208.53.45.68	PTR	208-53-45-68.c7dc.com
208.53.45.68	A	npihosting.com
208.53.45.134	PTR	208-53-45-134.c7dc.com
208.53.45.134	A	mail.itbackups.com
208.53.45.205	A	bydportal.com
208.53.45.210	A	iconnectapparel.com
208.53.45.212	A	iconnectship.com
208.53.45.214	PTR	208-53-45-214.c7dc.com
208.53.45.214	A	esuiteerp.com
208.53.46.13	PTR	208-53-46-13.c7dc.com
208.53.46.34	PTR	mail.qvera.com
208.53.46.34	A	hl7interfaceengine.com
208.53.46.34	A	qieenterprise.com
208.53.46.72	PTR	208-53-46-72.c7dc.com
208.53.46.92	PTR	208-53-46-92.c7dc.com
208.53.46.101	A	browzxch01.browz.com
208.53.46.101	A	mail.browz.com
208.53.46.103	PTR	208-53-46-103.c7dc.com
208.53.46.103	A	smtpbrowz.com
208.53.46.140	A+PTR	barracuda.ufsupply.com
208.53.46.166	A+PTR	mx02.frtservices.com
208.53.46.197	PTR	208-53-46-197.c7dc.com
208.53.46.197	A	four.weaveconnect.com
208.53.46.213	PTR	208-53-46-213.c7dc.com
208.53.46.213	A	whitelist.getweave.io
208.53.46.214	PTR	208-53-46-214.c7dc.com
208.53.46.214	A	whitelist.getweave.io
208.53.46.215	PTR	208-53-46-215.c7dc.com
208.53.46.215	A	whitelist.getweave.io
208.53.46.216	PTR	208-53-46-216.c7dc.com
208.53.46.216	A	whitelist.getweave.io
208.53.46.217	PTR	208-53-46-217.c7dc.com
208.53.46.217	A	whitelist.getweave.io
208.53.46.218	PTR	208-53-46-218.c7dc.com
208.53.46.218	A	whitelist.getweave.io
208.53.46.219	PTR	208-53-46-219.c7dc.com
208.53.46.219	A	whitelist.getweave.io
208.53.46.222	A+PTR	mail.weaveconnect.com
208.53.46.241	PTR	208-53-46-241.c7dc.com
208.53.46.241	A	whitelist.getweave.io
208.53.46.242	PTR	208-53-46-242.c7dc.com
208.53.46.242	A	whitelist.getweave.io
208.53.46.244	PTR	208-53-46-244.c7dc.com
208.53.46.244	A	events.getweave.io
208.53.46.246	PTR	208-53-46-246.c7dc.com
208.53.46.246	A	whitelist.getweave.io
208.53.46.247	PTR	208-53-46-247.c7dc.com
208.53.46.247	A	app.getweave.com
208.53.46.247	A	api.weaveconnect.com
208.53.46.248	PTR	208-53-46-248.c7dc.com
208.53.46.248	A	whitelist.getweave.io
208.53.46.249	PTR	208-53-46-249.c7dc.com
208.53.46.249	A	sip-proxy-ut-02.weaveconnect.com
208.53.46.249	A	sip-proxy-ut-b.getweave.io
208.53.46.250	PTR	208-53-46-250.c7dc.com
208.53.46.250	A	whitelist.getweave.io
208.53.46.250	A	sip-proxy-ut.getweave.io
208.53.46.253	PTR	208-53-46-253.c7dc.com
208.53.46.253	A	whitelist.getweave.io
208.53.46.253	A	y.getweave.io
208.53.46.254	PTR	208-53-46-254.c7dc.com
208.53.46.254	A	whitelist.getweave.io
208.53.46.254	A	p.getweave.io
208.53.47.6	A	vidcnf.com
208.53.47.8	A	vidcnf.net
208.53.47.70	PTR	208-53-47-70.c7dc.com
208.53.47.70	A	hod.mmbb.org
208.53.47.70	A	*.mmbb.org
208.53.47.102	PTR	208-53-47-102.c7dc.com
208.53.47.102	A	freedomcellphones.com
208.53.47.121	PTR	208-53-47-121.c7dc.com
208.53.47.145	A	miwaland.com
208.53.47.153	A	dns3.tknabenefits.net
208.53.47.153	A	dns3.trwbenefits.com
208.53.47.153	A	dns3.phibenefitscenter.net
208.53.47.181	PTR	208-53-47-181.c7dc.com
208.53.47.181	A	np-ingress-ext.gradecam.com
208.53.47.200	PTR	208-53-47-200.c7dc.com
208.53.47.200	A	callcorplab.com
208.53.47.233	A	www.mystudenthosting.com
208.53.47.233	A	mystudenthosting.com
208.53.47.255	PTR	208-53-47-255.c7dc.com