Robtex

Up: 203.158.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.158.56.0/23
Down right: 203.158.58.0/23

IP	Type	Hostname
203.158.56.191	A	203-158-56-191.dyn.iinet.net.au
203.158.57.102	A+PTR	203-158-57-102.dyn.iinet.net.au
203.158.57.105	PTR	203-158-57-105.dyn.iinet.net.au
203.158.57.122	A+PTR	203-158-57-122.dyn.iinet.net.au
203.158.57.183	A	203-158-57-183.dyn.iinet.net.au
203.158.58.25	A+PTR	203-158-58-25.dyn.iinet.net.au
203.158.58.62	A	globalaccounting.com.au
203.158.58.95	PTR	203-158-58-95.dyn.iinet.net.au
203.158.58.127	A	203-158-58-127.dyn.iinet.net.au
203.158.58.204	A	fotodojo.org
203.158.58.250	A+PTR	203-158-58-250.dyn.iinet.net.au