Robtex

Up: 66.139.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.139.72.0/23
Down right: 66.139.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.139.72.6	A	old-cachens1.serverbeach.com
66.139.72.7	A	new-ns1.geodns.net
66.139.72.8	A	iad2.geodns.net
66.139.72.8	A	www.geodns.net
66.139.72.8	A	hackedphones.com.htmlns1.geodns.net
66.139.72.14	A	magoo.nebula.on.ca
66.139.72.14	A	ns1.zeltera.net
66.139.72.14	A	ns2.rhsnet.net
66.139.72.20	A	ns2.zeltera.net
66.139.72.20	A	ns2.ns00.us
66.139.72.20	A	old-ns2.geodns.net
66.139.72.22	A	old-cachens2.serverbeach.com
66.139.72.24	A	old-admin.serverbeach.com
66.139.72.27	A	staging.serverbeach.com
66.139.72.39	A	cvs.serverbeach.com
66.139.72.40	A	www.staging.serverbeach.com
66.139.72.53	A	eldorado.sat3.serverbeach.com
66.139.72.55	A	cfengine.sat3.serverbeach.com
66.139.72.215	A	ts.serverbeach.com
66.139.72.216	A	x4.serverbeach.com
66.139.72.227	A	dyn227.dhcp.serverbeach.com
66.139.72.230	A	dyn230.dhcp.serverbeach.com
66.139.72.250	A	office.serverbeach.com
66.139.73.24	A	mail.sunready.com
66.139.73.84	A	mail.itinerantphilosopher.com
66.139.73.84	A	itinerantphilosopher.com
66.139.73.94	A	floridatrustrealtyinc.com
66.139.73.136	A	electromotus.com
66.139.73.136	A	daveoglerealty.com
66.139.73.159	A	server1.ventrilo.com
66.139.73.213	A	qcourt.us
66.139.73.213	A	qcourt.com
66.139.73.232	A	mail.jonbauer.net
66.139.73.232	A	jonbauer.net
66.139.74.149	A	ns2.seeminternet.com
66.139.74.165	A	mail.e-newsletter.org
66.139.74.166	A	ns1.idkhosting.com
66.139.74.180	A	greenerlink.com
66.139.74.180	A	rallypointpro.com
66.139.74.193	A	columbiaiwanna.com
66.139.74.193	A	knoxvilleiwanna.com
66.139.75.17	A	mail.camexpress.com
66.139.75.17	A	mail.cuspllc.com
66.139.75.24	A	premiercatalogs.com
66.139.75.29	A	sb05.ezhoster.com
66.139.75.32	A	mail.paradiseislehawaii.com
66.139.75.42	A	mail.therealtypeople.com
66.139.75.42	A	mail.gulfbeachesflorida.com
66.139.75.45	A	mikeumstead.com
66.139.75.79	A	shaftesburyhotellondon.com
66.139.75.173	A	mailtest.wagsworld.net
66.139.75.200	A	server1.talos4.net
66.139.75.204	A	hotz.net
66.139.75.238	PTR	server1.galaxisys.com
66.139.75.238	A	ns2.arcanesoftware.com
66.139.75.238	A	ns1.arcanesoftware.com