Robtex

Up: 203.24.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.24.22.0/25
Down right: 203.24.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.24.22.30	PTR	mail.afos.com.au
203.24.22.43	PTR	mail.teleclock.com
203.24.22.50	A	gw.relateqld.com.au
203.24.22.73	A+PTR	exchange.xitd.com.au
203.24.22.80	A	portalonline.com.au
203.24.22.87	A	online.elliance.net.au
203.24.22.88	A	filter.freshmethodonline.com
203.24.22.98	PTR	mail.rnhcommercial.com.au
203.24.22.142	A+PTR	ge0-0.3201.fw1.24lit.bne.core.otw.net.au
203.24.22.146	A+PTR	genesis.safenetbox.biz
203.24.22.146	A	newmail.genesis.qld.edu.au
203.24.22.171	A	outlook.safeplaces.com.au
203.24.22.184	A	blucacti.com.au
203.24.22.184	A	moviereviews.net.au
203.24.22.184	A	webleaders.com.au
203.24.22.185	A	unicomcu.com.au
203.24.22.185	A	e-glue.com.au
203.24.22.185	A	ahpraaction.com.au
203.24.22.187	A	shopping-media.com.au
203.24.22.187	A	cnnb114.com
203.24.22.187	A	www.cnnb114.com
203.24.22.222	A	austradim.com
203.24.22.222	A	mail.austradim.com
203.24.22.226	PTR	mail.jaws.com.au
203.24.22.226	A	mail.bardengineering.com.au
203.24.22.226	A	exchange.jaws.com.au
203.24.22.238	PTR	mail.site.edu.au
203.24.22.238	A	mail.siteskillstraining.com
203.24.22.238	A	mail.ccc.edu.au
203.24.22.242	A	hmw.safenetbox.biz