Robtex

Up: 220.235.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.235.48.0/23
Down right: 220.235.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.235.48.68	A+PTR	220-235-48-68.dyn.iinet.net.au
220.235.48.68	A	gateway10cm9m9bmc.poweredbyclear.com
220.235.48.68	A	mail0.jackson88.com
220.235.50.186	A+PTR	dip-220-235-50-186.wa.westnet.com.au