Robtex

Up: 220.237.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 220.237.192.0/20
Down right: 220.237.208.0/20

IP	Type	Hostname
220.237.192.142	A+PTR	d220-237-192-142.mit800.act.optusnet.com.au
220.237.216.96	PTR	d220-237-216-96.mit800.act.optusnet.com.au
220.237.219.161	PTR	d220-237-219-161.mit800.act.optusnet.com.au
220.237.223.1	PTR	d220-237-223-1.mit800.act.optusnet.com.au
220.237.223.195	A+PTR	d220-237-223-195.mit800.act.optusnet.com.au
220.237.223.224	PTR	d220-237-223-224.mit800.act.optusnet.com.au