Robtex

Up: 58.96.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 58.96.64.0/25
Down right: 58.96.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.96.64.0	A+PTR	0.64.96.58.static.exetel.com.au
58.96.64.1	A+PTR	1.64.96.58.static.exetel.com.au
58.96.64.5	A+PTR	5.64.96.58.static.exetel.com.au
58.96.64.7	A+PTR	7.64.96.58.static.exetel.com.au
58.96.64.10	A+PTR	10.64.96.58.static.exetel.com.au
58.96.64.17	A+PTR	17.64.96.58.static.exetel.com.au
58.96.64.18	A+PTR	18.64.96.58.static.exetel.com.au
58.96.64.19	A+PTR	19.64.96.58.static.exetel.com.au
58.96.64.24	A+PTR	24.64.96.58.static.exetel.com.au
58.96.64.25	A+PTR	25.64.96.58.static.exetel.com.au
58.96.64.26	A+PTR	26.64.96.58.static.exetel.com.au
58.96.64.33	A+PTR	33.64.96.58.static.exetel.com.au
58.96.64.36	A+PTR	36.64.96.58.static.exetel.com.au
58.96.64.37	A+PTR	37.64.96.58.static.exetel.com.au
58.96.64.38	A+PTR	38.64.96.58.static.exetel.com.au
58.96.64.42	A+PTR	42.64.96.58.static.exetel.com.au
58.96.64.46	A+PTR	46.64.96.58.static.exetel.com.au
58.96.64.57	A+PTR	57.64.96.58.static.exetel.com.au
58.96.64.59	A+PTR	59.64.96.58.static.exetel.com.au
58.96.64.65	PTR	65.64.96.58.static.exetel.com.au
58.96.64.72	PTR	72.64.96.58.static.exetel.com.au
58.96.64.72	A	calamus.com.au
58.96.64.88	A+PTR	88.64.96.58.static.exetel.com.au
58.96.64.95	A	mail.totallyworks.com
58.96.64.95	A	mail.thevanderveens.com.au
58.96.64.102	A+PTR	102.64.96.58.static.exetel.com.au
58.96.64.107	A+PTR	107.64.96.58.static.exetel.com.au
58.96.64.127	A+PTR	127.64.96.58.static.exetel.com.au
58.96.64.130	A	moop.com.au
58.96.64.132	A+PTR	132.64.96.58.static.exetel.com.au
58.96.64.133	A+PTR	133.64.96.58.static.exetel.com.au
58.96.64.134	A	remote.inspiro.org.au
58.96.64.140	A+PTR	140.64.96.58.static.exetel.com.au
58.96.64.145	A+PTR	145.64.96.58.static.exetel.com.au
58.96.64.154	A+PTR	154.64.96.58.static.exetel.com.au
58.96.64.154	A	dromosys.com
58.96.64.162	A+PTR	162.64.96.58.static.exetel.com.au
58.96.64.164	A+PTR	164.64.96.58.static.exetel.com.au
58.96.64.173	A+PTR	173.64.96.58.static.exetel.com.au
58.96.64.179	PTR	179.64.96.58.static.exetel.com.au
58.96.64.185	A+PTR	185.64.96.58.static.exetel.com.au
58.96.64.188	A	tattle-bot.com
58.96.64.194	A+PTR	194.64.96.58.static.exetel.com.au
58.96.64.196	A+PTR	196.64.96.58.static.exetel.com.au
58.96.64.201	A	mail.firststepprogram.org
58.96.64.203	A+PTR	203.64.96.58.static.exetel.com.au
58.96.64.204	A+PTR	204.64.96.58.static.exetel.com.au
58.96.64.204	A	rowdyflat.com
58.96.64.206	A+PTR	206.64.96.58.static.exetel.com.au
58.96.64.209	A+PTR	209.64.96.58.static.exetel.com.au
58.96.64.210	A+PTR	210.64.96.58.static.exetel.com.au
58.96.64.214	A+PTR	214.64.96.58.static.exetel.com.au
58.96.64.216	A+PTR	216.64.96.58.static.exetel.com.au
58.96.64.219	A+PTR	219.64.96.58.static.exetel.com.au
58.96.64.221	PTR	221.64.96.58.static.exetel.com.au
58.96.64.238	PTR	238.64.96.58.static.exetel.com.au
58.96.64.238	A	ns2.graytech.com.au
58.96.64.238	A	ns2.grcaldwellplumbing.com
58.96.64.248	A+PTR	248.64.96.58.static.exetel.com.au
58.96.64.249	A+PTR	249.64.96.58.static.exetel.com.au
58.96.64.251	A+PTR	251.64.96.58.static.exetel.com.au
58.96.64.252	PTR	mail.jockmack.com
58.96.64.253	A+PTR	253.64.96.58.static.exetel.com.au
58.96.64.255	A+PTR	255.64.96.58.static.exetel.com.au