Robtex

Up: 58.96.18.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 58.96.19.0/25
Down right: 58.96.19.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.96.19.0	A+PTR	0.19.96.58.static.exetel.com.au
58.96.19.3	A+PTR	3.19.96.58.static.exetel.com.au
58.96.19.9	PTR	9.19.96.58.static.exetel.com.au
58.96.19.9	A	mail.danpalon.com.au
58.96.19.13	A	mail.thelight.org.au
58.96.19.14	A+PTR	14.19.96.58.static.exetel.com.au
58.96.19.15	A	remote.craftmetals.com.au
58.96.19.18	A+PTR	18.19.96.58.static.exetel.com.au
58.96.19.19	A+PTR	19.19.96.58.static.exetel.com.au
58.96.19.22	A+PTR	22.19.96.58.static.exetel.com.au
58.96.19.23	PTR	remote.rsprecruitment.com.au
58.96.19.35	A	commercialsupport.com.au
58.96.19.39	A+PTR	39.19.96.58.static.exetel.com.au
58.96.19.39	A	mail.ladders2u.com.au
58.96.19.39	A	office.safesmartaccess.com.au
58.96.19.49	A+PTR	mail.globalcoffee.com.au
58.96.19.49	A	postoffice.globalcoffee.com.au
58.96.19.83	PTR	83.19.96.58.static.exetel.com.au
58.96.19.94	A+PTR	94.19.96.58.static.exetel.com.au
58.96.19.110	A+PTR	110.19.96.58.static.exetel.com.au
58.96.19.119	A	mail.performanceeducation.com.au
58.96.19.121	A	alt.micronet.com.au
58.96.19.130	PTR	130.19.96.58.static.exetel.com.au
58.96.19.130	A	mail.playsafefencing.com.au
58.96.19.130	A	mail.peakfencing.com.au
58.96.19.133	A+PTR	133.19.96.58.static.exetel.com.au
58.96.19.137	PTR	mail.360capital.com.au
58.96.19.141	A+PTR	141.19.96.58.static.exetel.com.au
58.96.19.144	A+PTR	144.19.96.58.static.exetel.com.au
58.96.19.146	A+PTR	146.19.96.58.static.exetel.com.au
58.96.19.167	A+PTR	167.19.96.58.static.exetel.com.au
58.96.19.172	A+PTR	172.19.96.58.static.exetel.com.au
58.96.19.175	PTR	175.19.96.58.static.exetel.com.au
58.96.19.175	A	mail.bhia.com.au
58.96.19.180	A+PTR	180.19.96.58.static.exetel.com.au
58.96.19.183	PTR	183.19.96.58.static.exetel.com.au
58.96.19.183	A	mail.alemlube.com
58.96.19.193	PTR	193.19.96.58.static.exetel.com.au
58.96.19.193	A	mail.personnelconcept.com.au
58.96.19.205	PTR	205.19.96.58.static.exetel.com.au
58.96.19.205	A	print.sbta.com.au
58.96.19.218	A+PTR	218.19.96.58.static.exetel.com.au
58.96.19.219	A+PTR	219.19.96.58.static.exetel.com.au
58.96.19.238	PTR	238.19.96.58.static.exetel.com.au
58.96.19.238	A	mail.apttranscriptions.com.au
58.96.19.238	A	mail.apttrans.com.au