Robtex

Up: 203.20.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.20.81.0/25
Down right: 203.20.81.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.20.81.39	A	customersatisfaction.data3.com.au
203.20.81.39	A	syncsharepoint.data3.com.au
203.20.81.39	A	surveytool.data3.com.au
203.20.81.40	A	data3.biz
203.20.81.40	A	detsoa84891.com
203.20.81.40	A	data3.net.au