Robtex

Up: 72.9.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.9.40.0/22
Down right: 72.9.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.9.40.2	PTR	ldap01.ldap.donet.com
72.9.40.2	A	ldap01.donet.com
72.9.40.2	A	ldap.donet.com
72.9.40.8	A	available30.donet.com
72.9.40.53	A	tcnwrestling.com
72.9.40.135	A	reliabletandb.com
72.9.40.135	A	christiancollegefairs.com
72.9.40.135	A	net-via-ctc.myat.com
72.9.40.141	A	wildsales.com
72.9.40.141	A	bentleys-blog.com
72.9.40.141	A	helixenv.com
72.9.40.160	A	infragard.dayton.oh.us
72.9.40.163	PTR	ssl04.cluster01.donet.com
72.9.40.163	A	www.ayresats.com
72.9.40.163	A	ayresats.com
72.9.40.164	A	www.pgiti.com
72.9.40.168	A	www.nccjgreaterdayton.org
72.9.40.169	A	www.aydelott.com
72.9.40.170	PTR	72-9-40-170.donet.com
72.9.40.170	A	greatcdltraining.com
72.9.40.170	A	www.greatcdltraining.com
72.9.40.171	PTR	72-9-40-171.donet.com
72.9.40.176	PTR	72-9-40-176.donet.com
72.9.40.176	A	blog.wonderfulmachine.com
72.9.40.177	A	www.shepherdcommunity.org
72.9.40.177	A	shepherdcommunity.org
72.9.40.178	PTR	72-9-40-178.donet.com
72.9.40.178	A	www.graceworks.org
72.9.40.179	PTR	72-9-40-179.donet.com
72.9.40.184	A	selecttechservices.com
72.9.40.184	A	sgamf.com
72.9.40.192	PTR	reserved26.services.donet.com
72.9.40.192	A	www.ascsoftware.com
72.9.40.194	A	daytonchamber.org
72.9.40.194	A	www.daytonchamber.org
72.9.40.195	A	www.bbbsgmv.org
72.9.40.203	A	bizcap.org
72.9.40.210	A	matchmd.com
72.9.40.241	A	donetcommunications.com
72.9.40.244	A	snda.biz
72.9.40.244	A	hursttotalhome.com
72.9.40.244	A	ndmetals.com
72.9.40.248	A	tcsuweb.com
72.9.41.160	A	reserved28.donet.com
72.9.41.163	A+PTR	72-9-41-163.donet.com
72.9.41.167	A	prcfirstpage.com
72.9.41.167	A	mail.prcfirstpage.com
72.9.41.169	PTR	prcmail07.prcdayton.com
72.9.41.169	A	prc-mail.prcdayton.com
72.9.41.170	A+PTR	mail.vadornet.com
72.9.41.170	A	www.vadornet.org
72.9.41.170	A	*.vadornet.org
72.9.41.179	PTR	72-9-41-179.donet.com
72.9.41.179	A	mail.dpr.org
72.9.41.187	PTR	72-9-41-187.donet.com
72.9.41.187	A	www.anderson.edu
72.9.41.187	A	rippleofhopemovie.com
72.9.41.215	A	ready.datayardworks.com
72.9.44.197	A	mail.ketteringoh.org