Robtex

Up: 58.6.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 58.6.64.0/23
Down right: 58.6.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.6.64.90	A+PTR	dsl-58-6-64-90.vic.westnet.com.au
58.6.64.90	A	fw.canines.com.au
58.6.64.92	A	ns.canines.com.au
58.6.64.102	A	dsl-58-6-64-102.vic.westnet.com.au
58.6.64.106	PTR	dsl-58-6-64-106.vic.westnet.com.au
58.6.64.106	A	anakin.muirfield.com.au
58.6.64.106	A	f250spares.com
58.6.64.126	A+PTR	dsl-58-6-64-126.vic.westnet.com.au
58.6.64.179	PTR	remote.pmcdre.com.au
58.6.64.179	A	remote.sherylupton.com.au
58.6.64.179	A	mail.paulmcdonaldrealestate.com.au
58.6.65.25	PTR	dsl-58-6-65-25.vic.westnet.com.au
58.6.65.33	PTR	mail.wastech.com.au
58.6.65.42	A	gateway.tribal.com.au
58.6.65.62	A+PTR	dsl-58-6-65-62.vic.westnet.com.au
58.6.65.63	A	dsl-58-6-65-63.vic.westnet.com.au
58.6.65.64	PTR	net1.topology.org
58.6.65.65	PTR	moose.topology.org
58.6.65.66	PTR	goose.topology.org
58.6.65.70	PTR	emu.topology.org
58.6.65.71	PTR	otter.topology.org
58.6.65.74	PTR	dingo.topology.org
58.6.65.77	PTR	http.topology.org
58.6.65.110	A+PTR	dsl-58-6-65-110.vic.westnet.com.au
58.6.65.118	PTR	dsl-58-6-65-118.vic.westnet.com.au
58.6.65.118	A	sga.lauf.id.au
58.6.65.118	A	ns1.deltrixco.com
58.6.65.137	PTR	dsl-58-6-65-137.vic.westnet.com.au
58.6.65.137	A	vja.org.au
58.6.65.137	A	remote.vja.org.au
58.6.65.179	A	server.mym.com.au
58.6.65.203	A+PTR	dsl-58-6-65-203.vic.westnet.com.au
58.6.65.205	A+PTR	dsl-58-6-65-205.vic.westnet.com.au
58.6.65.212	PTR	dsl-58-6-65-212.vic.westnet.com.au
58.6.65.212	A	mail.cwassoc.com.au
58.6.65.250	PTR	dsl-58-6-65-250.vic.westnet.com.au
58.6.66.13	A+PTR	dsl-58-6-66-13.vic.westnet.com.au
58.6.66.15	A	mail.austpac.com.au
58.6.66.45	A+PTR	dsl-58-6-66-45.vic.westnet.com.au
58.6.66.110	A+PTR	dsl-58-6-66-110.vic.westnet.com.au
58.6.66.114	PTR	dsl-58-6-66-114.vic.westnet.com.au
58.6.66.114	A	mx2.arpatubes.net
58.6.66.185	A	mail2.virtutech.com.au
58.6.66.211	A+PTR	dsl-58-6-66-211.vic.westnet.com.au
58.6.66.233	A+PTR	dsl-58-6-66-233.vic.westnet.com.au
58.6.66.235	A	dsl-58-6-66-235.vic.westnet.com.au
58.6.66.254	A+PTR	dsl-58-6-66-254.vic.westnet.com.au
58.6.67.5	A+PTR	dsl-58-6-67-5.vic.westnet.com.au
58.6.67.34	A+PTR	dsl-58-6-67-34.vic.westnet.com.au
58.6.67.41	A+PTR	dsl-58-6-67-41.vic.westnet.com.au
58.6.67.44	A+PTR	dsl-58-6-67-44.vic.westnet.com.au
58.6.67.99	PTR	dsl-58-6-67-99.vic.westnet.com.au
58.6.67.99	A	my-ta22.com
58.6.67.99	A	smtp1.muirfield.com.au
58.6.67.101	A+PTR	dsl-58-6-67-101.vic.westnet.com.au
58.6.67.147	A+PTR	dsl-58-6-67-147.vic.westnet.com.au
58.6.67.157	PTR	dsl-58-6-67-157.vic.westnet.com.au
58.6.67.176	A+PTR	dsl-58-6-67-176.vic.westnet.com.au
58.6.67.176	A	mail.phillips.id.au
58.6.67.176	A	phillips.id.au
58.6.67.192	A+PTR	dsl-58-6-67-192.vic.westnet.com.au
58.6.67.209	PTR	dsl-58-6-67-209.vic.westnet.com.au
58.6.67.233	A+PTR	dsl-58-6-67-233.vic.westnet.com.au