Robtex

Up: 122.57.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 122.57.240.0/22
Down right: 122.57.244.0/22

IP	Type	Hostname
122.57.240.232	A+PTR	122-57-240-232.jetstream.xtra.co.nz
122.57.241.58	A+PTR	122-57-241-58.jetstream.xtra.co.nz
122.57.242.129	PTR	122-57-242-129.jetstream.xtra.co.nz
122.57.243.31	PTR	122-57-243-31-adsl.sparkbb.co.nz
122.57.243.31	A	122-57-243-31.jetstream.xtra.co.nz
122.57.244.184	PTR	122-57-244-184.jetstream.xtra.co.nz
122.57.245.8	A+PTR	122-57-245-8.jetstream.xtra.co.nz