Robtex

Up: 203.190.216.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.190.217.0/25
Down right: 203.190.217.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.190.217.0	PTR	reserved.bbsaa.com.au
203.190.217.7	PTR	reserved.bbsaa.com.au
203.190.217.19	PTR	reserved.bbsaa.com.au
203.190.217.24	PTR	reserved.bbsaa.com.au
203.190.217.25	PTR	reserved.bbsaa.com.au
203.190.217.27	PTR	reserved.bbsaa.com.au
203.190.217.28	PTR	reserved.bbsaa.com.au
203.190.217.35	PTR	reserved.bbsaa.com.au
203.190.217.46	PTR	reserved.bbsaa.com.au
203.190.217.47	PTR	reserved.bbsaa.com.au
203.190.217.54	PTR	reserved.bbsaa.com.au
203.190.217.59	PTR	r.bbsaa.com.au
203.190.217.69	PTR	reserved.bbsaa.com.au
203.190.217.72	PTR	reserved.bbsaa.com.au
203.190.217.81	PTR	cre-1.bbsaa.com.au
203.190.217.87	PTR	reserved.bbsaa.com.au
203.190.217.91	PTR	reserved.bbsaa.com.au
203.190.217.100	PTR	reserved.bbsaa.com.au
203.190.217.112	PTR	reserved.bbsaa.com.au
203.190.217.115	PTR	reserved.bbsaa.com.au
203.190.217.124	PTR	reserved.bbsaa.com.au
203.190.217.125	PTR	reserved.bbsaa.com.au
203.190.217.137	PTR	cre-1.bbsaa.com.au
203.190.217.163	PTR	hounity01.bbsaa.local
203.190.217.172	PTR	pe-5.bbsaa.com.au
203.190.217.175	PTR	reserved.bbsaa.com.au
203.190.217.181	PTR	bbsaa-pe-3.bbsaa.com.au
203.190.217.184	PTR	bbsaa-pe-6.bbsaa.com.au
203.190.217.188	PTR	bbsaa-colo-sw-2.bbsaa.com.au
203.190.217.191	PTR	reserved.bbsaa.com.au
203.190.217.196	PTR	s-colo-esx3.bbsaa.com.au
203.190.217.198	PTR	san-controller-a.bbsaa.com.au
203.190.217.212	PTR	s-colo-adc2.bbsaa.com.au
203.190.217.238	A	bilfingerbergerservices.com
203.190.217.238	A	bbs.com.au
203.190.217.238	A	bilfingerbergerservices.com.au
203.190.217.239	A	ns1.bbsaa.com.au
203.190.217.241	PTR	com-server.bbsaa.com.au
203.190.217.242	A	ns2.bbsaa.com.au
203.190.217.243	PTR	s-colo-netb2.bbsaa.com.au
203.190.217.254	PTR	reserved.bbsaa.com.au