Robtex

Up: 203.23.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.23.41.0/25
Down right: 203.23.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.23.41.1	A+PTR	router0.mis.net.au
203.23.41.5	PTR	misws1.mis.net.au
203.23.41.6	PTR	spare
203.23.41.10	PTR	ns2.mis.net.au
203.23.41.12	PTR	spare
203.23.41.14	A	misex.mis.net.au
203.23.41.15	PTR	ipad.mis.net.au
203.23.41.15	A+PTR	mail.mis.net.au
203.23.41.15	PTR	ns1.mis.net.au
203.23.41.17	PTR	antispam.mis.net.au
203.23.41.17	PTR	mail01.mis.net.au
203.23.41.17	A+PTR	mail02.mis.net.au
203.23.41.19	PTR	spare
203.23.41.20	PTR	spare
203.23.41.20	A	www4.mis.net.au
203.23.41.21	A	www.affordablewatertanks.com
203.23.41.21	A	www.twowayfasteners.com.au
203.23.41.21	A	www.mis.net.au
203.23.41.22	PTR	spare
203.23.41.23	PTR	spare
203.23.41.24	PTR	spare
203.23.41.26	PTR	spare
203.23.41.27	PTR	spare
203.23.41.28	PTR	spare
203.23.41.29	PTR	spare
203.23.41.30	PTR	spare
203.23.41.31	PTR	spare
203.23.41.32	PTR	spare
203.23.41.33	PTR	spare
203.23.41.34	PTR	spare
203.23.41.35	PTR	spare
203.23.41.36	PTR	spare
203.23.41.37	PTR	spare
203.23.41.39	PTR	spare
203.23.41.47	PTR	sl008.mis.net.au
203.23.41.50	PTR	sl011.mis.net.au
203.23.41.62	PTR	sl023.mis.net.au