Robtex

Up: 204.9.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 204.9.64.0/23
Down right: 204.9.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.9.64.40	PTR	www.blackdove.tv
204.9.64.45	PTR	digiportmiami.com
204.9.64.45	PTR	rtg.digiportmiami.com
204.9.64.45	PTR	support.digiportmiami.com
204.9.64.71	A	nitsrv01.niteshmistry.com
204.9.64.81	PTR	static.digiport.com
204.9.64.81	A	rhrint.co.uk
204.9.64.86	PTR	shawswebsolutions.com
204.9.64.86	A	dreamcastlevilla.org
204.9.64.139	PTR	mail.luckyfan.com
204.9.64.201	PTR	static.digiport.com
204.9.64.209	PTR	mail.conquestbusinessgroup.com
204.9.65.3	PTR	frank.voip.digiport.com
204.9.65.9	A	svhosted09.voip.digiport.com
204.9.65.46	A+PTR	proxy.voip.digiport.com
204.9.65.46	A	digivoip13.voip.digiport.com
204.9.65.65	A	0119-awaredigital.net.digiport.com
204.9.65.162	A	admin.amerimeds.com
204.9.65.163	A	www.amerimeds.com
204.9.65.163	A	amerimeds.com
204.9.65.164	A	mail.amerimeds.com
204.9.65.169	A	0038-aloooeightco.net.digiport.com
204.9.65.170	A	ns1.healthinsurancefinder.net
204.9.65.201	A+PTR	0054-calladvise.net.digiport.com
204.9.65.209	A+PTR	0056-lynx.net.digiport.com
204.9.66.39	PTR	ns1.cryslink.com
204.9.66.39	PTR	services.inttel.net
204.9.66.39	PTR	sip-us1.inttel.net
204.9.66.51	PTR	client-51.inttel.net
204.9.66.53	A	affluencecorp.com
204.9.66.129	A+PTR	0060-telefonica.net.digiport.com
204.9.66.129	A	iwebstars.com
204.9.66.179	PTR	static.digiport.com
204.9.66.181	PTR	adweb99.com
204.9.66.181	A	mail.ruthrobinson.net
204.9.66.181	A	mail.rabbimichaelrobinson.com
204.9.66.182	PTR	static.digiport.com
204.9.66.183	PTR	adw2.adweb99.com
204.9.66.184	PTR	static.digiport.com
204.9.66.184	A	silencetheviolence.net
204.9.66.184	A	weemote.net
204.9.66.185	A	maclists.com
204.9.66.189	A	maclists.com
204.9.66.189	A	adwebmiami.com
204.9.66.189	A	friendsoftheyoungmusicianscamp.com
204.9.66.193	A+PTR	0081-str8tel.net.digiport.com
204.9.66.212	A+PTR	mx.bestbuddies.com
204.9.66.212	PTR	mx.bestbuddies.org
204.9.66.212	PTR	sentinel.bestbuddies.org
204.9.67.18	A+PTR	hosting1.level9digital.com
204.9.67.18	A	brickellgreenspace.com
204.9.67.21	PTR	americaninductionlighting.com
204.9.67.21	PTR	static.digiport.com
204.9.67.21	A+PTR	www.trirlighting.com
204.9.67.24	PTR	palmstar.com
204.9.67.27	A	creatingstrategies.com
204.9.67.27	A	growinggreatemployees.com
204.9.67.100	A	tvbsystem.com
204.9.67.106	A	pcipass.com
204.9.67.110	PTR	smtp.taxverification.digiport.com
204.9.67.115	PTR	vmcdev.com
204.9.67.115	A	icechannel.tv
204.9.67.115	A	magazineretail.org
204.9.67.116	A	jonrubinproductions.com
204.9.67.116	A	mail.reporttrouble.com
204.9.67.116	A	www.vmcsys.com