Robtex

Up: 203.196.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.196.56.0/22
Down right: 203.196.60.0/22

IP	Type	Hostname
203.196.58.223	PTR	203-196-58-223.static.dsl.net.au
203.196.60.177	PTR	203-196-60-177.static.dsl.net.au
203.196.62.11	PTR	203-196-62-11.static.dsl.net.au
203.196.62.53	PTR	203-196-62-53.static.dsl.net.au
203.196.62.116	PTR	203-196-62-116.static.dsl.net.au