Robtex

Up: 203.30.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.30.33.0/25
Down right: 203.30.33.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.30.33.20	A	mail.cloud.newbase.com.au
203.30.33.20	A	mail.suntex.com.au
203.30.33.20	A	mail.chasecommercialnorth.com.au
203.30.33.33	A	ns10.newbase.com.au
203.30.33.48	A	mail3.newbase.com.au
203.30.33.55	A+PTR	remote.prnc.org.au
203.30.33.57	A+PTR	mail.qcoss.org.au
203.30.33.57	A	mail2.qcoss.org.au
203.30.33.59	A+PTR	mail.epicentre.com.au
203.30.33.69	A	legendexpress.com.au
203.30.33.69	A	stormtechaust.com
203.30.33.69	A	www.legendlife.com.au
203.30.33.70	A+PTR	mail1.carternewell.com
203.30.33.70	A	mail1.carternewell.com.au