Robtex

Up: 203.17.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.17.208.0/23
Down right: 203.17.210.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.17.208.2	A+PTR	ns1.ultraserve.com.au
203.17.208.2	A	coinhosting.com.au
203.17.208.22	A+PTR	ns1.dtchosting.com.au
203.17.208.25	PTR	ultraserve.net.au
203.17.208.26	PTR	ns1.neto.com.au
203.17.208.28	A+PTR	ns1.hostingcontrol.com.au
203.17.208.31	PTR	giardia.yourweb.com.au
203.17.208.40	PTR	ns1.ausitsolutions.com.au
203.17.208.41	A	ns1.web.com.au
203.17.208.42	PTR	ns1.bossadns.com
203.17.208.42	A	ns1.bossagroup.com
203.17.208.66	A	plato.idfilm.com.au
203.17.208.66	A	idfilm.com.au
203.17.208.70	A+PTR	sql4.ultraserve.net.au
203.17.208.82	A	gadgetreview.com.au
203.17.208.82	A	propertypronet.com
203.17.208.86	A	xizor.ultraserve.net.au
203.17.208.94	A	ns12.serversaint.com
203.17.208.94	A	ns11.serversaint.com
203.17.208.130	A	tatooine.ultraserve.com.au
203.17.208.155	PTR	www.beautybrands.com.au
203.17.208.155	A	askdoctorvicks.com.au
203.17.208.155	A	ask-dr-vicks.com
203.17.208.210	A	windowsserver.com.au
203.17.208.210	A	jesus.com.au
203.17.208.210	A	windowsservers.com.au
203.17.208.248	A	linuxserver.com.au
203.17.208.248	A	manageddedicatedservers.com.au
203.17.208.248	A	yourweb.com.au
203.17.209.2	A+PTR	ns2.ultraserve.com.au
203.17.209.22	A+PTR	ns2.dtchosting.com.au
203.17.209.24	PTR	ns2.smartartist.net
203.17.209.25	PTR	ultraserve.net.au
203.17.209.26	A+PTR	ns2.neto.com.au
203.17.209.27	PTR	ns2.hostingcontrol.com.au
203.17.209.28	A+PTR	ns2.hostingcontrol.com.au
203.17.209.31	PTR	crypto.yourweb.com.au
203.17.209.40	A+PTR	ns2.ausitsolutions.com.au
203.17.209.41	A	ns2.web.com.au
203.17.209.42	PTR	ns2.bossadns.com
203.17.209.42	A	ns2.bossagroup.com
203.17.210.42	A+PTR	corellia.ultraserve.net.au
203.17.210.42	A	mailbackup01.chillit.net.au
203.17.210.42	A	mail2.ultraserve.com.au
203.17.210.46	PTR	naboo.ultraserve.com.au
203.17.210.106	PTR	dealsdirect.com.au
203.17.210.110	PTR	smtp.netmaintain.net.au
203.17.210.110	A	ssl-trade.com
203.17.210.126	A	callista.ultraserve.net.au
203.17.210.166	A	dantooine.ultraserve.net.au
203.17.210.193	PTR	callista.ultraserve.net.au
203.17.210.193	A	*.test.ultraserve.net.au
203.17.210.193	A	ecocom.com.au
203.17.210.205	A	stamen.com.au
203.17.210.210	PTR	mail.ultraserve.com.au
203.17.210.210	A	mail.ramnet.com.au
203.17.210.210	A	mail.kathandkim.net
203.17.210.234	A	redrockevents.com
203.17.210.234	A	businesseducationonline.com
203.17.210.242	A	ssdigital.com.au
203.17.210.242	A	clearasilbackstagepass.com.au
203.17.211.50	A	web.iseekgolf.com
203.17.211.126	A	ns3.smartartist.net
203.17.211.133	A	mail.realestatetraining.com.au
203.17.211.243	PTR	mail.rawnetservs.com