Robtex

Up: 8.2.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 8.3.0.0/17
Down right: 8.3.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
8.3.1.8	A	8.3.178-static.reverse.softlayer.com
8.3.3.2	PTR	sk.s5.cm.ns1.88.ztomy.com
8.3.3.7	A	mail.powernovum.at
8.3.3.9	A	0852668.com
8.3.5.1	A	tj1.puycqop.com
8.3.5.1	A	ma9bkc1765e.puycqop.com
8.3.5.1	A	songurglobalsourcing.com
8.3.6.189	A	*.playcraft.org
8.3.6.189	A	playcraft.org
8.3.6.189	A	mx.playcraft.org
8.3.8.106	A	whowantsarealjob.com
8.3.8.106	A	dripstoppers.com.au
8.3.8.108	A	yumheart.com
8.3.9.7	A	thomaskempjr.com
8.3.13.124	PTR	sitemail4.fanball.com
8.3.13.140	PTR	mail.skilljamcorp.com
8.3.13.196	PTR	strongmail.skilljam.com
8.3.16.42	A	*.michiganflowers.com
8.3.16.42	A	www.michiganflowers.com
8.3.16.42	A	blanche.com
8.3.17.169	A	www.bankruptcyzoom.com
8.3.19.40	PTR	smtp1.skilljamcorp.com
8.3.19.110	PTR	sitemail1.fanball.com
8.3.19.126	PTR	mail.fanball.com
8.3.19.220	PTR	octopi.com
8.3.22.235	PTR	mx.promax.tv
8.3.27.133	PTR	smtp1.unicornmedia.com
8.3.27.168	PTR	asa-lax1.dascdn.net
8.3.29.4	PTR	8.3.29.4.vultr.com
8.3.29.4	A	marisago.com
8.3.29.10	PTR	8.3.29.10.vultr.com
8.3.29.10	A	localshopsend.com
8.3.29.25	PTR	8.3.29.25.vultr.com
8.3.29.25	A	ladyhumanhair.com
8.3.29.25	A	www.sinuo8.com
8.3.29.26	PTR	8.3.29.26.vultr.com
8.3.33.78	A	sandiegoteafestival.com
8.3.33.78	A	apmexpoonline.com
8.3.34.0	PTR	unknown-8-3-34-x.yahoo.com
8.3.35.1	PTR	unknown-8-3-35-x.yahoo.com
8.3.44.0	PTR	cnet.hostpond.com
8.3.44.1	PTR	cgate.hostpond.com
8.3.44.2	A+PTR	swan.hostpond.com
8.3.44.3	PTR	ns3.hostpond.com
8.3.44.6	A	heart.hostpond.com
8.3.44.7	A	mail.stonecreatives.com.spfl.hostpond.com
8.3.44.7	A	mail.closeinportland.com.spf1.hostpond.com
8.3.45.4	PTR	mx3.cartyen.com
8.3.45.5	PTR	mx3.cartyen.com
8.3.45.6	PTR	mx3.cartyen.com
8.3.46.40	A	mail.wickedwabbit.com
8.3.48.7	A	ns1.paclightwave.com
8.3.48.8	A	ns2.paclightwave.com
8.3.48.12	A	mail.deserttechguru.com
8.3.48.17	A	paclw.com
8.3.49.1	PTR	cust-8-3-49-1.paclightwave.com
8.3.49.170	A	mail.visitpalmsprings.com
8.3.49.170	A	mail.smgpalmsprings.com
8.3.49.170	A	mail.palmspringscc.com
8.3.49.188	A	mail.thunderbirdcc.org
8.3.50.8	A	mail2.coveelectric.com
8.3.50.13	A	mail.screenmobilecorporation.com
8.3.50.23	A	mailserver4.cvwd.org
8.3.50.53	A	mail.animalsamaritans.org
8.3.52.34	A	eprox.tncionline.net
8.3.52.40	A	evoice.tncionline.net
8.3.52.52	A	mail.eastwindcom.com
8.3.52.67	A	8-3-52-67.tncionline.net
8.3.64.51	PTR	mail.statefish.com
8.3.64.82	A	mx.sharp-industries.com
8.3.64.82	A	mail.vissoni.com
8.3.64.82	A	mail.santecfaucet.com
8.3.65.99	A	smtp.rmidoc.com
8.3.70.164	PTR	exmail.martinpetermadsen.com
8.3.86.3	PTR	8-3-86-3.starry-inc.net
8.3.86.3	A	speedtest-server-lax.starry.com
8.3.87.2	A+PTR	8-3-87-2.starry-inc.net
8.3.87.2	A	speedtest-server-ash.starry.com
8.3.90.219	PTR	8-3-90-219.starry-inc.net
8.3.91.122	A+PTR	8-3-91-122.starry-inc.net
8.3.91.129	A	dnsseed.bitcoin.dashjr.org
8.3.93.55	A+PTR	8-3-93-55.starry-inc.net
8.3.93.55	A	ronceballos.com
8.3.95.230	A+PTR	8-3-95-230.starry-inc.net
8.3.114.103	A	cucportal.org
8.3.124.53	A	super-dns-host.com
8.3.128.1	A	wescorpcorpesgendcus.bbnplanet.net
8.3.129.11	PTR	mail.kjla.com
8.3.131.1	PTR	ip1.rt.net
8.3.131.2	PTR	ip2.rt.net
8.3.131.3	PTR	ip3.rt.net
8.3.131.4	PTR	ip4.rt.net
8.3.131.20	A	rt.net
8.3.131.20	A	mail.rt.net
8.3.131.20	A	s9a.rt.net
8.3.132.5	A	ns1.flightreduction.com
8.3.132.45	A	ns2.flightreduction.com
8.3.132.130	A	easywatton.com
8.3.132.185	A	ns2.fineclam.com
8.3.133.12	A	ns1.expressiveface.com
8.3.133.39	A	ns2.expressiveface.com
8.3.133.130	A	kindwigton.net
8.3.133.133	A	ns1.initialmeasure.com
8.3.134.34	A	ns2.slivertureen.net
8.3.134.85	A	ns2.nfo4survival.com
8.3.134.116	A	txfeed.com
8.3.135.3	A	otleylong.com
8.3.135.6	A	ns1.goodcashew.com
8.3.135.180	A	ns2.tallwarm.net
8.3.135.236	A	ns2.mysoniclife.net
8.3.160.100	PTR	ironport.molinahealthcare.com
8.3.160.104	PTR	mms.molinahealthcare.com
8.3.160.105	PTR	mail.mercycareplus.com
8.3.160.107	A	molinaadvantage.com
8.3.161.1	A+PTR	blvs1.dtvbb.tv
8.3.161.2	A+PTR	blvs2.dtvbb.tv
8.3.161.7	A+PTR	bsl.dtvbb.tv
8.3.161.7	A+PTR	nfl1.dtvbb.tv
8.3.161.9	PTR	cse.dtvbb.tv
8.3.164.66	PTR	dns3.martinpetermadsen.com
8.3.164.67	PTR	dns4.martinpetermadsen.com
8.3.164.70	PTR	exmail.martinpetermadsen.com
8.3.164.86	A+PTR	smtpout.evy.com
8.3.211.71	A	out.veoh.com
8.3.218.43	PTR	www.fieldlakeandsky.com
8.3.218.44	PTR	smtp.fieldlakeandsky.com
8.3.218.129	A+PTR	bandcon-malachiarts.malachiarts.com
8.3.218.130	PTR	gw.malachiarts.com
8.3.218.130	A	ns1.fumanchu.com
8.3.218.130	A	a.ns.fleurtlingerie.net
8.3.219.104	A	lnentad.email.livenationent.com
8.3.219.114	A	lnentcd.email.livenationent.com
8.3.225.35	A	mailbox1.sci-us.com
8.3.228.2	PTR	guardian.omegaidentitymedia.com
8.3.228.80	PTR	mail.omegaidentitymedia.com
8.3.228.110	PTR	federation.omegaidentitymedia.com
8.3.229.254	PTR	smtp2.freightgate.com
8.3.230.2	A	rc-productions.com
8.3.230.4	A	*.rc-studios.com
8.3.230.8	A	mail.kyjusa.com
8.3.230.8	A	mail.mycitywireless.net
8.3.232.100	PTR	flash.revver.com
8.3.232.101	PTR	media.revver.com
8.3.232.102	PTR	adserver.revver.com
8.3.232.103	PTR	frame.revver.com
8.3.233.39	PTR	lvml10.livevideo.com
8.3.233.40	PTR	lvml11.livevideo.com
8.3.233.44	PTR	linuxmail15.liveuniversenetwork.com
8.3.233.47	PTR	linuxmail15.liveuniversenetwork.com
8.3.248.42	A	agathon.drakensang.com
8.3.248.43	A	tegan.drakensang.com
8.3.252.22	A	voip-ca1.teliax.com
8.3.252.23	A+PTR	lax.teliax.net
8.3.253.55	A	bytomilee.com
8.3.254.16	A+PTR	tswitch3.siptalk.com
8.3.254.30	A+PTR	mail3.xcastlabs.com
8.3.254.30	A	mailx.globaltouchtelecom.com
8.3.254.30	A	mail.siptalk.com
8.3.254.63	PTR	mailx.xcastlabs.com
8.3.254.146	PTR	mailer3.siptalk.com