Robtex

Up: 203.28.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.28.49.0/25
Down right: 203.28.49.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.28.49.10	PTR	server-a-r80.ipv4.syd02.ds.network
203.28.49.129	PTR	mail.autonomous.org.au
203.28.49.129	A	bmgp.com.au
203.28.49.137	PTR	zen.autonomous.org.au
203.28.49.137	A	laro.com.au
203.28.49.145	PTR	server-41-r80.ipv4.syd02.ds.network
203.28.49.145	A	myworkrights.com.au
203.28.49.145	A	usgfx.com
203.28.49.161	A	ddcc.net.au
203.28.49.193	A	sntl.com.au
203.28.49.193	A	su-kam.com
203.28.49.233	A	e-mart.co.nz
203.28.49.246	PTR	ns6.whiterabbit.com.au
203.28.49.249	A	mail.chrisbanks.net