Robtex

Up: 204.16.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 204.16.88.0/22
Down right: 204.16.92.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.16.88.35	PTR	dns3.pa1call.org
204.16.88.82	PTR	mail.jrayl.com
204.16.88.83	PTR	mail.jrayl.com
204.16.88.84	A	cspeo.com
204.16.88.84	A	cspayrollservices.com
204.16.88.84	A	mail.cspeo.com
204.16.88.87	A	mail2.cspeo.com
204.16.88.106	A	necertpartsdist.com
204.16.88.199	PTR	webhost1.sperretech.com
204.16.88.199	A	pretrax.com
204.16.88.199	A	hotrodz.org
204.16.88.200	PTR	www.sperretech.com
204.16.88.200	A	*.sperretech.com
204.16.88.200	A	st218.sperretech.com
204.16.88.201	PTR	www.zhelpdesk.com
204.16.88.202	PTR	www.zspamfilter.com
204.16.88.215	A+PTR	mail.sperretech.com
204.16.88.215	A	mail.itshockeytime.com
204.16.88.216	A+PTR	mail.sperretech.net
204.16.88.216	A	mail.acornpropane.com
204.16.88.216	A	mail.progressivedaters.com
204.16.88.228	A	mail.opinionsltd.com
204.16.88.229	A	mail.wpkolens.com
204.16.88.230	A	mail.therapypartnersohio.com
204.16.88.235	A	hmssl.org
204.16.88.236	A	mail.hmfaithhouse.org
204.16.88.236	A	mail.hmssl.org
204.16.88.236	A	mail.vmpmanor.org
204.16.88.250	A+PTR	ns1.sperretech.com
204.16.88.251	A+PTR	ns2.sperretech.com
204.16.89.34	PTR	mail.bialosky.com
204.16.89.35	PTR	ftp.bialosky.com
204.16.89.90	A	sc.accellis.com
204.16.89.94	A	www.cvcclub.com
204.16.89.97	A	iuhle4y9k1rs.mcgowaninsurance.com
204.16.89.97	A	breedshill.net
204.16.89.97	A	edgewater.net
204.16.89.98	A	breedshill.net
204.16.89.107	PTR	mail.mcgowanins.com
204.16.89.107	A	mail.mcgowancompanies.com
204.16.89.107	A	mail.mcgowanpro.com
204.16.89.108	PTR	owa.mcgowanins.com
204.16.89.134	PTR	mail.statehousecasualty.com
204.16.89.147	PTR	mail.spectrumsurgical.com
204.16.89.147	A	mail.hmhousing.org
204.16.89.161	PTR	mail.chardon.cc
204.16.90.18	PTR	mail.hdtglobal.com
204.16.90.19	A+PTR	mail.hdtglobal.com
204.16.90.19	A	mail.base-x.com
204.16.90.19	A	mail.psi-get.com
204.16.90.51	A+PTR	mail.pretrax.com
204.16.90.98	A+PTR	mail.westonhurd.com
204.16.90.100	A	securemail.westonhurd.com
204.16.90.131	PTR	ftpa.oups.org
204.16.90.132	PTR	ohtms.oups.org
204.16.90.132	PTR	ohtmsa.oups.org
204.16.90.133	PTR	newtin.oups.org
204.16.90.133	PTR	newtina.oups.org
204.16.90.133	A	mail.hfgroup.com
204.16.90.134	PTR	mail.oups.org
204.16.90.163	A	remote.altuswealthadvisors.com
204.16.90.163	A	mail.thebatesgroup.us
204.16.90.166	A	du-212-36.sv-en.ru
204.16.90.166	A	jbs1.altuscapital.us
204.16.90.170	A	risk-mail.riskinternational.com
204.16.92.129	PTR	204-16-92-129.dsl.t1company.com
204.16.92.160	A	*.inetwwwdesign.com
204.16.92.160	A	mail.inetwwwdesign.com
204.16.92.160	A	www.inetwwwdesign.com
204.16.93.3	A	turnededgeboards.com
204.16.93.16	A	businesscontinuitybackup.com
204.16.93.35	A+PTR	mail2.lifebanc.org
204.16.93.50	A	ns3.livemixtapes.com
204.16.93.51	A	bigseandetroit.com
204.16.93.51	A	bluedreamandlean.com
204.16.93.51	A	dedication4.com
204.16.93.56	A	ns1.isolate.net
204.16.93.57	A	bracezone.com
204.16.93.57	A	www.mixfeed.info
204.16.93.57	A	mail.isolate.net
204.16.93.60	A+PTR	mail.isolate.net
204.16.93.82	A	host1.mbsnetinc.com
204.16.93.83	A+PTR	host2.mbsnetinc.com
204.16.93.86	A	host5.mbsnetinc.com
204.16.93.87	A	host6.mbsnetinc.com
204.16.93.88	A	host7.mbsnetinc.com
204.16.93.114	PTR	careershift.com
204.16.93.130	A+PTR	mail.lanmaint.com
204.16.93.130	A	mail.gehringins.com
204.16.93.130	A	mail.fredebaughwelldrilling.com
204.16.93.131	PTR	mail.networkwrench.com
204.16.93.155	PTR	www.chardon.cc
204.16.93.155	A	www.try4life.com
204.16.93.155	A	www.lanmaint.com
204.16.93.178	A+PTR	htimaging.com
204.16.93.211	A	mail.infinitynp.com
204.16.93.243	A	mail01.livemixtapes.com
204.16.94.22	A+PTR	mail1.t1co.com
204.16.94.66	A+PTR	mail.trulineind.com
204.16.94.66	A	trulineind.com
204.16.94.110	A	mail1.krill.com
204.16.94.110	A	mail.krill.com
204.16.94.200	A	iis1-a.mcdonaldhopkins.com
204.16.94.205	A+PTR	dcmailout.mcdonaldhopkins.com
204.16.94.210	A+PTR	barracuda.mcdonaldhopkins.com
204.16.95.28	A	clevelandbar.org
204.16.95.32	A	heritagedev.net
204.16.95.32	A	netnowledge.com
204.16.95.32	A	www.netnowledge.com