Robtex

Up: 203.219.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.219.4.0/25
Down right: 203.219.4.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.219.4.69	A+PTR	203-219-4-69.static.tpgi.com.au
203.219.4.86	PTR	dns1.basketball.net.au
203.219.4.158	PTR	203-219-4-158.tpgi.com.au
203.219.4.158	A	spiderware.com.au
203.219.4.158	A	primrosepress.net