Robtex

Up: 220.240.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.240.252.0/23
Down right: 220.240.254.0/23

IP	Type	Hostname
220.240.252.16	PTR	220-240-252-16.tpgi.com.au
220.240.252.135	PTR	220-240-252-135.tpgi.com.au
220.240.252.255	PTR	220-240-252-255.tpgi.com.au
220.240.253.128	PTR	220-240-253-128.tpgi.com.au
220.240.253.142	PTR	220-240-253-142.tpgi.com.au
220.240.253.255	PTR	220-240-253-255.tpgi.com.au
220.240.254.140	A	mail.leifengzx.com
220.240.254.175	PTR	220-240-254-175.tpgi.com.au
220.240.254.255	PTR	255.254.240.220.dynamic.dsl.comindico.com.au
220.240.255.0	A+PTR	0.255.240.220.dynamic.dsl.comindico.com.au
220.240.255.67	PTR	220-240-255-67.static.tpgi.com.au
220.240.255.106	PTR	220-240-255-106.static.tpgi.com.au
220.240.255.175	PTR	220-240-255-175.static.tpgi.com.au
220.240.255.178	PTR	220-240-255-178.static.tpgi.com.au
220.240.255.189	PTR	220-240-255-189.static.tpgi.com.au
220.240.255.201	PTR	220-240-255-201.static.tpgi.com.au
220.240.255.213	PTR	220-240-255-213.static.tpgi.com.au
220.240.255.215	PTR	220-240-255-215.static.tpgi.com.au
220.240.255.255	PTR	220-240-255-255.static.tpgi.com.au
220.240.255.255	A	255.255.240.220.dynamic.dsl.comindico.com.au