Robtex

Up: 216.212.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 216.212.0.0/18
Down right: 216.212.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.212.0.62	A	pnephro.com
216.212.1.0	PTR	dialup216-212-1-0.birch.net
216.212.1.2	PTR	dialup216-212-1-2.birch.net
216.212.1.3	PTR	dialup216-212-1-3.birch.net
216.212.4.129	PTR	host216-212-4-129.birch.net
216.212.4.236	A	mail.manousdesign.com
216.212.4.250	A	*.bryanjupiter.com
216.212.4.250	A	bryanjupiter.com
216.212.5.193	PTR	host216-212-5-193.birch.net
216.212.6.131	PTR	host216-212-6-131.birch.net
216.212.12.2	PTR	host216-212-12-2.birch.net
216.212.22.1	PTR	mx02.birch.net
216.212.22.1	A	mail.howardbrothersflorist.com
216.212.23.223	PTR	host216-212-23-223.birch.net
216.212.23.223	A	allpointsinc.com
216.212.25.0	PTR	host216-212-25-0.birch.net
216.212.25.3	PTR	host216-212-25-3.birch.net
216.212.26.140	A	leisurehotelgroup.us
216.212.26.140	A	leisurehotelgroup.org
216.212.26.140	A	leisurehotelgroup.net
216.212.26.145	A	leisurehotelreservations.com
216.212.28.2	PTR	fwtest.radom.org
216.212.30.6	PTR	host216-212-30-6.birch.net
216.212.30.235	A	aggtran.com
216.212.30.235	A	mail.aggtran.com
216.212.35.37	A	mail.bhrstl.com
216.212.41.242	A	mx2mail.advantagemodel.com
216.212.43.3	PTR	host216-212-43-3.birch.net
216.212.43.4	PTR	host216-212-43-4.birch.net
216.212.43.129	PTR	host216-212-43-129.birch.net
216.212.43.130	PTR	host216-212-43-130.birch.net
216.212.43.131	PTR	host216-212-43-131.birch.net
216.212.44.2	PTR	host216-212-44-2.birch.net
216.212.44.4	PTR	host216-212-44-4.birch.net
216.212.44.219	A	littleblue.net
216.212.44.219	A	mail.littleblue.net
216.212.45.2	PTR	host216-212-45-2.birch.net
216.212.47.83	A	ns1.gepfordlaw.com
216.212.47.84	A	ns2.gepfordlaw.com
216.212.49.170	A	mail.asbarboro.com
216.212.52.10	PTR	host216-212-52-10.birch.net
216.212.52.10	A	mail.mcoc.net
216.212.53.2	A	mx.fredslack.com
216.212.53.2	A	*.fredslack.com
216.212.56.170	A	mail.polster.com
216.212.58.42	A	mail.goodss.org
216.212.58.75	A	mail.gopremier.com
216.212.59.27	A	mail.iacconline.org
216.212.59.218	A	ns1.kolcu.com
216.212.59.218	A	mail.kolcu.com
216.212.59.218	A	ns1.pc-pitstop.com
216.212.60.34	PTR	mail.brotcke.com
216.212.60.35	A	*.bigwidesky.com
216.212.61.210	A	mail.dtcolor.com
216.212.62.128	PTR	host216-212-62-128.birch.net
216.212.62.131	PTR	host216-212-62-131.birch.net
216.212.63.3	PTR	host216-212-63-3.birch.net
216.212.63.130	PTR	host216-212-63-130.birch.net
216.212.64.129	PTR	dialup216-212-64-129.birch.net
216.212.65.100	A	servproflorence.com
216.212.66.82	A+PTR	smtp.charlestonareaseniors.com
216.212.69.142	PTR	host216-212-69-142.birch.net
216.212.71.142	PTR	host216-212-71-142.birch.net
216.212.72.102	PTR	host216-212-72-102.birch.net
216.212.73.70	A	goperiscope.com
216.212.73.128	PTR	host216-212-73-128.birch.net
216.212.73.199	A	barracuda.cetecsoftware.com
216.212.73.199	A	nstwo.cetecsoftware.com
216.212.73.199	A	ns.cetecsoftware.com
216.212.75.56	A	auzennelawfirm.com
216.212.75.56	A	mail.auzennelawfirm.com
216.212.75.65	A	mail.cornerstoneretail.com
216.212.75.110	A	calhounmc.com
216.212.75.218	A	*.jlfountainagency.com
216.212.75.218	A	mail.jlfountainagency.com
216.212.75.218	A	www.jlfountainagency.com
216.212.76.37	A	adamghassemi.com
216.212.77.152	A	mail.holmes-law.com
216.212.80.3	PTR	host216-212-80-3.birch.net
216.212.80.128	PTR	host216-212-80-128.birch.net
216.212.80.130	PTR	host216-212-80-130.birch.net
216.212.83.111	A	mail.4engsol.com
216.212.85.191	A	office.advancedact.com
216.212.87.129	A	mail.ced-tc.com
216.212.88.194	A	jeden.e-comworks.net
216.212.88.196	A	dwa.e-comworks.net
216.212.88.198	A	trzy.e-comworks.net
216.212.88.199	A	e-comworks.org
216.212.89.4	PTR	host216-212-89-4.birch.net
216.212.89.131	PTR	host216-212-89-131.birch.net
216.212.93.2	PTR	host216-212-93-2.birch.net
216.212.93.84	PTR	78621.com
216.212.93.84	A	em1.us
216.212.93.84	A	emailprofessor.com
216.212.93.85	PTR	engia.net
216.212.93.85	A	wserver.em1.us
216.212.93.130	A	time-central.com
216.212.93.130	A	mail.time-central.com
216.212.97.184	A	iqres03256.com
216.212.98.66	PTR	smtp.avmi.org
216.212.98.66	A	avantministries.info
216.212.99.10	A	mail.eversealgasket.com
216.212.102.134	A	caricoconstructioninc.com
216.212.103.101	PTR	host216-212-103-101.birch.net
216.212.103.223	PTR	host216-212-103-223.birch.net
216.212.104.1	PTR	host216-212-104-1.birch.net
216.212.104.2	PTR	host216-212-104-2.birch.net
216.212.104.4	PTR	host216-212-104-4.birch.net
216.212.104.129	PTR	host216-212-104-129.birch.net
216.212.104.130	PTR	host216-212-104-130.birch.net
216.212.105.219	PTR	host216-212-105-219.birch.net
216.212.106.14	PTR	mail.esrd.com
216.212.108.3	PTR	host216-212-108-3.birch.net
216.212.110.4	PTR	host216-212-110-4.birch.net
216.212.110.17	A	smtp.procharger.com
216.212.110.130	PTR	host216-212-110-130.birch.net
216.212.112.1	PTR	host216-212-112-1.birch.net
216.212.112.3	PTR	host216-212-112-3.birch.net
216.212.112.128	PTR	host216-212-112-128.birch.net
216.212.116.82	A	mail.pennyrilecac.org
216.212.119.26	A	mail.rockfi.com
216.212.123.147	A	mail.hbat.org
216.212.126.19	A	ns2.carolinaoutlet.com
216.212.126.19	A	mail.carolinaoutlet.com
216.212.126.19	A	ns1.carolinaoutlet.com