Robtex

Up: 72.22.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 72.22.73.0/25
Down right: 72.22.73.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.22.73.16	PTR	hpr.com
72.22.73.16	A	mx.hprgraphics.net
72.22.73.21	A	forthenations.com
72.22.73.21	A	forournations.com
72.22.73.21	A	*.forthenations.com
72.22.73.27	A+PTR	vhost26.startlogic.com
72.22.73.30	A	ns2.sparetimetv.com
72.22.73.30	A	ns1.sparetimetv.com
72.22.73.39	A	ns2.carrollvideo.com
72.22.73.39	A	ns.americanbridalresources.com
72.22.73.39	A	ns1.carrollvideo.com
72.22.73.43	A	mail.stijnpostmus.nl
72.22.73.43	A	mail.mgwarehouse.com
72.22.73.43	A	ns1.mgwarehouse.net
72.22.73.49	PTR	lovebookonline.com
72.22.73.60	A+PTR	vhost27.startlogic.com
72.22.73.70	PTR	saldomains.ipower.com
72.22.73.79	PTR	vhost27.startlogic.com
72.22.73.79	A	mail.myboutiquesforyou.com
72.22.73.79	A	mail.cuddyssportsshack.com
72.22.73.83	PTR	mong.tv
72.22.73.86	PTR	vhost27.startlogic.com
72.22.73.86	A	www.hogs4sale.com
72.22.73.86	A	*.hogs4sale.com
72.22.73.97	PTR	vh65.ipowerweb.com
72.22.73.97	A	mail.lawgicproduct.com
72.22.73.97	A	lawgicproduct.com
72.22.73.105	PTR	savvygroup.com
72.22.73.105	A	mail.savvyrealty.com
72.22.73.105	A	mail.hawaiipropertysearch.net
72.22.73.106	PTR	sanspafivestar.com
72.22.73.106	A	mail.5starwalkintubs.com
72.22.73.106	A	mail.fivestarwalkintubs.com
72.22.73.114	PTR	www.digitalpawprint.com
72.22.73.114	A	*.radioontap.com
72.22.73.114	A	radioontap.com
72.22.73.120	PTR	fitnessednet.com
72.22.73.126	PTR	tqinspire.com
72.22.73.136	PTR	shellsoftinc.com
72.22.73.138	PTR	gvfsi.com
72.22.73.138	A	mail.wvwebsvc.com
72.22.73.138	A	mail.richj08807.com
72.22.73.139	A	mail.contractorhotdeals.com
72.22.73.139	A	vps015.securehostserver.com
72.22.73.139	A	smtp.contractorhotdeals.com
72.22.73.141	PTR	eleadist.com
72.22.73.142	A+PTR	vhost28.startlogic.com
72.22.73.160	A+PTR	zietatech.com
72.22.73.160	A	ns1.zietatech.com
72.22.73.160	A	ns.zietatech.com
72.22.73.178	PTR	vps016-03.vps.securehostserver.com
72.22.73.178	A	www.athletix4u.com
72.22.73.178	A	athletix4u.com
72.22.73.197	A	www.maxybaby.net.ua
72.22.73.197	A	family-cookbook.net
72.22.73.197	A	*.maxybaby.net.ua
72.22.73.206	A	christopherchronicles.com
72.22.73.206	A	www.christopherchronicles.com
72.22.73.207	A+PTR	communityeservices.com
72.22.73.207	A	mail.community-eservices.com
72.22.73.207	A	ns.community-eservices.com
72.22.73.212	PTR	mail.log-stat.com
72.22.73.212	A	mx.log-stat.com
72.22.73.212	A	*.log-stat.com
72.22.73.216	A	ns2.ntmbp.org
72.22.73.216	A	ns1.ntmbp.org
72.22.73.219	PTR	aahom.org