Robtex

Up: 203.13.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.13.74.0/24
Down right: 203.13.75.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.13.74.129	A+PTR	ns2.westnethosting.com.au
203.13.74.129	A	ns2.moocow.com.au
203.13.74.129	A	ns2.iinethosting.net.au
203.13.75.24	A+PTR	mail.iit-training.com
203.13.75.24	A	harmony.allsydneyconcreting.com
203.13.75.24	A	mail.johnhusky.com