Robtex

Up: 72.214.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.214.44.0/23
Down right: 72.214.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.214.44.7	PTR	saboor.net
72.214.44.8	PTR	server.saboor.net
72.214.44.17	A+PTR	wsip-72-214-44-17.dc.dc.cox.net
72.214.44.30	PTR	wsip-72-214-44-30.dc.dc.cox.net
72.214.44.30	A	sfdc.org
72.214.44.57	A	mail.redwoodcommercial.net
72.214.44.130	A	mail.gwregion.org
72.214.44.140	PTR	wsip-72-214-44-140.dc.dc.cox.net
72.214.44.164	A	nva.wagner.com
72.214.44.195	PTR	mail.averyhess.com
72.214.44.195	A	mail.ticemobilehomecourt.com
72.214.44.195	A	valenciaestates.com
72.214.44.200	PTR	adw-it.com
72.214.44.210	A+PTR	wsip-72-214-44-210.dc.dc.cox.net
72.214.44.242	PTR	wsip-72-214-44-242.dc.dc.cox.net
72.214.44.245	A+PTR	wsip-72-214-44-245.dc.dc.cox.net
72.214.44.247	A+PTR	wsip-72-214-44-247.dc.dc.cox.net
72.214.44.249	A+PTR	wsip-72-214-44-249.dc.dc.cox.net
72.214.45.4	PTR	mail.ce-hvac.com
72.214.45.4	A	*.ce-hvac.com
72.214.45.4	A	ce-hvac.com
72.214.45.7	PTR	wsip-72-214-45-7.dc.dc.cox.net
72.214.45.15	A	mail.config.org
72.214.45.15	A	remote.config.org
72.214.45.22	A	mymail.capitolcorp.com
72.214.45.30	A+PTR	hercules.pegasusfg.com
72.214.45.30	A	mail.pegasusfg.com
72.214.45.30	A	hercules.pegasusfg.net
72.214.45.39	A+PTR	mail.digimpressions.com
72.214.45.39	A	ftp.digimpressions.com
72.214.45.52	A	contelsvc.com
72.214.45.52	A	mail.express-tek.com
72.214.45.75	A	olympus.pinnacle8.com
72.214.45.75	A	olympus.raia.us
72.214.45.77	A	lifesync.pointclark.net
72.214.45.80	PTR	wsip-72-214-45-80.dc.dc.cox.net
72.214.45.80	A	smtp1.delphi-itm.net
72.214.45.80	A	www.delphi-itm.net
72.214.45.86	A+PTR	wsip-72-214-45-86.dc.dc.cox.net
72.214.45.86	A	smtp.world-trivia.com
72.214.45.86	A	multimedia-producer.biz
72.214.45.92	A	mail.firstmeridianmortgage.com
72.214.45.116	A+PTR	wsip-72-214-45-116.dc.dc.cox.net
72.214.45.173	PTR	wsip-72-214-45-173.dc.dc.cox.net
72.214.45.173	A	golfdomtysons.com
72.214.45.173	A	mail.golfdomgolf.com
72.214.45.197	A+PTR	medusa.commbiz.com
72.214.45.197	A	wsip-72-214-45-197.dc.dc.cox.net
72.214.45.197	A	mail.commbiz.com
72.214.45.229	A	mail.seganmason.com
72.214.45.252	A+PTR	wsip-72-214-45-252.dc.dc.cox.net
72.214.45.252	A	mail.keytitleva.com
72.214.46.30	PTR	wsip-72-214-46-30.dc.dc.cox.net
72.214.46.30	A	associatedclinical.net
72.214.46.30	A	remote.associatedclinical.com
72.214.46.70	PTR	wsip-72-214-46-70.dc.dc.cox.net
72.214.46.70	A	www.putersystems.com
72.214.46.70	A	psone.putersystems.com
72.214.46.90	PTR	wsip-72-214-46-90.dc.dc.cox.net
72.214.46.90	A	pmcnorth.com
72.214.46.99	A	mail.cblpi.org
72.214.46.110	A	mail.landcarenetwork.org
72.214.46.134	A	myagecam.net
72.214.46.157	PTR	wsip-72-214-46-157.dc.dc.cox.net
72.214.46.173	A+PTR	wsip-72-214-46-173.dc.dc.cox.net
72.214.46.181	A	768alt.org
72.214.46.181	A	mail.768alt.com
72.214.46.181	A	768alt.com
72.214.46.182	A	mail.dedicatedmicros.com
72.214.46.195	A	mail.thebraultfirm.com
72.214.46.208	A	fxautoparts.com
72.214.46.214	A	mail.whdc.org
72.214.46.235	A	ivns.net
72.214.46.236	PTR	wsip-72-214-46-236.dc.dc.cox.net
72.214.46.236	A	kidswguns.com
72.214.46.236	A	brotherhoodofadventure.com
72.214.46.241	A+PTR	elisa.mcgu.net
72.214.46.241	A	mcgucorp.com
72.214.46.241	A	epilepticpeccary.com
72.214.46.247	PTR	wsip-72-214-46-247.dc.dc.cox.net
72.214.46.247	A	mail.bettysazalearanch.com
72.214.47.3	A	net4home.us
72.214.47.4	A	wsip-72-214-47-4.dc.dc.cox.net
72.214.47.4	A	*.bb-momo.com
72.214.47.4	A	bb-momo.com
72.214.47.22	PTR	wsip-72-214-47-22.dc.dc.cox.net
72.214.47.59	PTR	wsip-72-214-47-59.dc.dc.cox.net
72.214.47.69	PTR	wsip-72-214-47-69.dc.dc.cox.net
72.214.47.69	A	webmail.viennapres.org
72.214.47.78	A	web.thurassociates.com
72.214.47.82	A	mail.tatebywater.com
72.214.47.82	A	mail.equititle.com
72.214.47.100	A	remote.promaxrealtors.com
72.214.47.103	A	mail.oakvalleycenter.com
72.214.47.107	A	mail.truroanglican.com
72.214.47.142	A+PTR	wsip-72-214-47-142.dc.dc.cox.net
72.214.47.149	PTR	mail.ltamerica.com
72.214.47.162	PTR	mail.teampeople.tv
72.214.47.183	A	mail.capitalplanningdirect.com
72.214.47.198	A+PTR	wsip-72-214-47-198.dc.dc.cox.net
72.214.47.212	PTR	owa.teamaskin.com
72.214.47.245	PTR	wsip-72-214-47-245.dc.dc.cox.net
72.214.47.245	A	mail.innotion.com
72.214.47.245	A	mail.triconusa.com
72.214.47.246	PTR	wsip-72-214-47-246.dc.dc.cox.net
72.214.47.246	A	mailgateway.triconusa.com
72.214.47.246	A	mailgateway.innotion.com
72.214.47.247	PTR	wsip-72-214-47-247.dc.dc.cox.net
72.214.47.248	PTR	wsip-72-214-47-248.dc.dc.cox.net
72.214.47.248	A	diycharter.com
72.214.47.248	A	yourcleaningteam.com
72.214.47.253	A	mx02.agentlogic.com