Robtex

Up: 128.184.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 128.184.228.0/23
Down right: 128.184.230.0/23

IP	Type	Hostname
128.184.231.20	PTR	128-184-231-20.phones.deakin.edu.au
128.184.231.22	PTR	128-184-231-22.phones.deakin.edu.au
128.184.231.23	PTR	128-184-231-23.phones.deakin.edu.au
128.184.231.31	PTR	128-184-231-31.phones.deakin.edu.au
128.184.231.48	PTR	128-184-231-48.phones.deakin.edu.au
128.184.231.58	PTR	128-184-231-58.phones.deakin.edu.au
128.184.231.65	PTR	128-184-231-65.phones.deakin.edu.au
128.184.231.67	PTR	128-184-231-67.phones.deakin.edu.au
128.184.231.78	PTR	128-184-231-78.phones.deakin.edu.au
128.184.231.79	PTR	128-184-231-79.phones.deakin.edu.au
128.184.231.81	PTR	128-184-231-81.phones.deakin.edu.au
128.184.231.95	PTR	128-184-231-95.phones.deakin.edu.au
128.184.231.96	PTR	128-184-231-96.phones.deakin.edu.au
128.184.231.108	PTR	128-184-231-108.phones.deakin.edu.au
128.184.231.115	PTR	128-184-231-115.phones.deakin.edu.au
128.184.231.125	PTR	128-184-231-125.phones.deakin.edu.au
128.184.231.127	PTR	128-184-231-127.phones.deakin.edu.au
128.184.231.162	PTR	128-184-231-162.phones.deakin.edu.au
128.184.231.164	PTR	128-184-231-164.phones.deakin.edu.au
128.184.231.166	PTR	128-184-231-166.phones.deakin.edu.au
128.184.231.174	PTR	128-184-231-174.phones.deakin.edu.au
128.184.231.182	PTR	128-184-231-182.phones.deakin.edu.au
128.184.231.188	PTR	128-184-231-188.phones.deakin.edu.au
128.184.231.195	PTR	128-184-231-195.phones.deakin.edu.au