Robtex

Up: 27.33.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 27.33.128.0/25
Down right: 27.33.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.33.128.25	A	27-33-128-25.static.tpgi.com.au
27.33.128.127	A	27-33-128-127.static.tpgi.com.au
27.33.128.149	A+PTR	27-33-128-149.static.tpgi.com.au
27.33.128.149	A	patchit.com.au
27.33.128.149	A	danoliv.com