Robtex

Up: 72.5.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 72.5.176.0/21
Down right: 72.5.184.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.5.176.12	A+PTR	smtp.greatpointpartnersllc.com
72.5.176.12	A	smtp.gppfunds.com
72.5.176.22	A	smtp.gppartnersllc.com
72.5.178.11	A	mail.archonpartnersllc.com
72.5.179.50	A	ns1.aegisoft.com
72.5.179.50	A	aegisoft.com
72.5.179.51	A+PTR	smtp.aegisoft.com
72.5.179.52	A	smtp2.aegisoft.com
72.5.179.53	PTR	mail2007.aegisoft.com
72.5.180.74	A	outboundl3.bluefly.com
72.5.180.77	A	is.bluefly.com
72.5.180.81	PTR	www.bluefly.com
72.5.180.81	A	www.blufly.net
72.5.180.81	A	blufly.us
72.5.180.82	PTR	vpn2.bluefly.com
72.5.180.96	A+PTR	mail2.bluefly.org
72.5.180.98	A	ns101.bluefly.com
72.5.180.116	A	betabluefly.com
72.5.180.123	A	bellnclive.com
72.5.180.123	A	envite.com
72.5.180.123	A	belle-and-clyve.com
72.5.182.110	A	cuda.selectequity.com
72.5.182.176	PTR	seg-ny-exchfr.seg.local
72.5.182.176	A	mx.selectequity.com
72.5.186.0	A	salemcommunications.com
72.5.186.12	A	cop.srnradio.com
72.5.186.16	A+PTR	ns1.srnradio.com
72.5.186.17	A	mxb.srnonline.com
72.5.186.17	A	mxb.srnradio.com
72.5.186.17	A	firewall.srnonline.com
72.5.186.32	A+PTR	filetransfer.salem.cc
72.5.186.137	A	files.srnradio.com
72.5.186.137	A	ftp.srnradio.com
72.5.186.137	A	ftp.srnprograms.com
72.5.187.8	A	ns1.qvault.com
72.5.187.8	A	ns1.macserve.net
72.5.187.8	A	ns.hypersites.com
72.5.187.11	PTR	n10.macserve.net
72.5.187.16	PTR	lindbergh.macserve.net
72.5.187.16	A	mail.weborican.com
72.5.187.16	A	southshoreuniversityhospital.com
72.5.187.18	PTR	newton.macserve.net
72.5.187.36	A	macserve.biz
72.5.187.40	A+PTR	mail.hypersites.com
72.5.187.42	A+PTR	media.hypersites.com
72.5.187.44	A	transumdenver.com
72.5.187.50	A	acceptancenow.com
72.5.187.50	A	www.acceptancenow.com
72.5.187.51	A	raccommunity.com
72.5.187.51	A	www.racfinancialservices.com
72.5.187.80	A	xs1.hypersites.com
72.5.187.85	PTR	quark.ahds.com
72.5.187.85	A	americanhealthdata.com
72.5.187.85	A	sugarform.com
72.5.187.98	A	samadams.imaxws.com
72.5.187.99	A	jefferson.imaxws.com
72.5.187.103	A+PTR	app.myautoloan.com
72.5.187.103	A	hdf-application.com
72.5.187.112	A+PTR	www1.myautoloan.com
72.5.187.112	A	www2.myautoloan.com
72.5.187.112	A	myautoloan.com
72.5.187.113	PTR	dealer.myautoloan.com
72.5.187.113	A	preferred-dealer.com
72.5.187.115	PTR	server.prpmk8.com
72.5.187.117	PTR	server.myautoloan.com
72.5.187.130	A	hdf-application.com
72.5.187.132	PTR	norton.gbcx.net
72.5.187.138	A	besiotech.com
72.5.187.138	A	oda.besio.com
72.5.187.138	A	besio.com
72.5.187.152	PTR	mail.aapubs.com
72.5.187.153	PTR	mail.aapubs.com
72.5.187.171	A	wendysfieldsource.com
72.5.187.191	A	www.imaxws.com
72.5.187.192	A	www.imaxws.com
72.5.187.192	A	beverlyhomes.biz
72.5.187.192	A	495stoneridgedr.com
72.5.187.196	PTR	i.imaxmedia.net
72.5.187.211	A	seahorsedresses.com
72.5.187.211	A	diddresses.com
72.5.187.211	A	plantector.com
72.5.187.228	A	va.xtrasrv.com
72.5.187.230	PTR	norton.gbcx.net
72.5.187.231	PTR	norton.gbcx.net
72.5.187.232	PTR	norton.gbcx.net
72.5.187.236	A	bgb.cc
72.5.187.236	A	don.garrett.name
72.5.187.236	A	ns.bgb.cc
72.5.187.245	PTR	mail11.macserve.net
72.5.187.246	PTR	mail13.macserve.net
72.5.187.248	A	asimov.macserve.net
72.5.187.252	PTR	border1.fe2-40.macserve-1.dal006.pnap.net
72.5.187.252	A	mail11.macserve.net
72.5.187.253	A	mail13.macserve.net
72.5.188.252	PTR	border1.g2-42.pacunion-1.dal006.pnap.net
72.5.190.164	A	mail.kyle-egland.com
72.5.190.164	A	kyle-egland.com
72.5.191.46	A	webmail.aviall.com
72.5.191.51	A	emfs-prd-2.aviall.com