Robtex

Up: 203.59.230.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.59.231.0/25
Down right: 203.59.231.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.59.231.3	A+PTR	203-59-231-3.perm.iinet.net.au
203.59.231.7	A+PTR	203-59-231-7.perm.iinet.net.au
203.59.231.10	PTR	asbmarketing.com.au
203.59.231.10	A	mail.asbmarketing.com.au
203.59.231.11	A+PTR	203-59-231-11.perm.iinet.net.au
203.59.231.12	A+PTR	203-59-231-12.perm.iinet.net.au
203.59.231.19	A+PTR	mail.digirock.com.au
203.59.231.20	A+PTR	203-59-231-20.perm.iinet.net.au
203.59.231.22	A+PTR	203-59-231-22.perm.iinet.net.au
203.59.231.25	A+PTR	203-59-231-25.perm.iinet.net.au
203.59.231.31	A+PTR	203-59-231-31.perm.iinet.net.au
203.59.231.37	A+PTR	203-59-231-37.perm.iinet.net.au
203.59.231.40	A+PTR	203-59-231-40.perm.iinet.net.au
203.59.231.42	A+PTR	203-59-231-42.perm.iinet.net.au
203.59.231.43	PTR	203-59-231-43.perm.iinet.net.au
203.59.231.47	A+PTR	203-59-231-47.perm.iinet.net.au
203.59.231.47	A	www.mateljan.com.au
203.59.231.47	A	throughlifefinancial.com
203.59.231.53	A+PTR	203-59-231-53.perm.iinet.net.au
203.59.231.61	PTR	203-59-231-61.perm.iinet.net.au
203.59.231.61	A	radiam.net
203.59.231.61	A	mail.radiam.net
203.59.231.63	PTR	203-59-231-63.perm.iinet.net.au
203.59.231.63	A	js.id.au
203.59.231.63	A	ns.js.id.au
203.59.231.66	A+PTR	mail.goldlinedistributors.com
203.59.231.66	A	goldlinedistributors.com
203.59.231.66	A	mail.kimberleydistributors.com.au
203.59.231.74	A+PTR	203-59-231-74.perm.iinet.net.au
203.59.231.76	A+PTR	203-59-231-76.perm.iinet.net.au
203.59.231.77	PTR	203-59-231-77.perm.iinet.net.au
203.59.231.79	PTR	203-59-231-79.perm.iinet.net.au
203.59.231.79	A	webonix.net
203.59.231.79	A	webonix.org
203.59.231.81	A	mail2.reeceit.com
203.59.231.82	A+PTR	203-59-231-82.perm.iinet.net.au
203.59.231.87	A+PTR	203-59-231-87.perm.iinet.net.au
203.59.231.92	A+PTR	203-59-231-92.perm.iinet.net.au
203.59.231.97	A+PTR	203-59-231-97.perm.iinet.net.au
203.59.231.105	A+PTR	203-59-231-105.perm.iinet.net.au
203.59.231.108	PTR	203-59-231-108.perm.iinet.net.au
203.59.231.108	A	elgumso.com
203.59.231.108	A	mail.elgumso.com
203.59.231.112	PTR	home.dlima.id.au
203.59.231.112	A	exchange.highlander.tv
203.59.231.119	PTR	203-59-231-119.perm.iinet.net.au
203.59.231.119	A	mail.orionpipelines.com
203.59.231.123	PTR	203-59-231-123.perm.iinet.net.au
203.59.231.125	PTR	203-59-231-125.perm.iinet.net.au
203.59.231.127	A+PTR	203-59-231-127.perm.iinet.net.au
203.59.231.128	A+PTR	mail.biz365.com.au
203.59.231.128	A	remote.biz365.com.au
203.59.231.129	A+PTR	remote.hannansreward.com
203.59.231.129	A	mail.hannansreward.com
203.59.231.135	A+PTR	203-59-231-135.perm.iinet.net.au
203.59.231.141	A+PTR	203-59-231-141.perm.iinet.net.au
203.59.231.142	A+PTR	203-59-231-142.perm.iinet.net.au
203.59.231.152	A	mail.airandwater.com.au
203.59.231.154	A+PTR	203-59-231-154.perm.iinet.net.au
203.59.231.161	A+PTR	203-59-231-161.perm.iinet.net.au
203.59.231.161	A	mail.fremantledivingcentre.com.au
203.59.231.161	A	mail.fcdiving.com.au
203.59.231.176	A+PTR	203-59-231-176.perm.iinet.net.au
203.59.231.181	A+PTR	203-59-231-181.perm.iinet.net.au
203.59.231.182	PTR	203-59-231-182.perm.iinet.net.au
203.59.231.194	A+PTR	203-59-231-194.perm.iinet.net.au
203.59.231.195	A	mail1.marghenderson.com
203.59.231.195	A	mail1.superdata.com.au
203.59.231.197	A+PTR	203-59-231-197.perm.iinet.net.au
203.59.231.197	A	mail.accountsflow.com.au
203.59.231.205	A	mail.corporatecity.com.au
203.59.231.207	A	mail.ausconservices.com
203.59.231.208	A+PTR	203-59-231-208.perm.iinet.net.au
203.59.231.209	A+PTR	203-59-231-209.perm.iinet.net.au
203.59.231.210	A+PTR	mail.awuwa.asn.au
203.59.231.210	A	remote.awuwa.asn.au
203.59.231.211	A+PTR	203-59-231-211.perm.iinet.net.au
203.59.231.214	A	mail.ela.com.au
203.59.231.218	A	wangara-iinet2.companionit.net
203.59.231.219	A+PTR	203-59-231-219.perm.iinet.net.au
203.59.231.220	PTR	ozbarrett.com
203.59.231.220	A	mtb-it-solutions.com.au
203.59.231.220	A	khalehla-barrett.com
203.59.231.221	PTR	203-59-231-221.perm.iinet.net.au
203.59.231.221	A	mail.paswa.org.au
203.59.231.225	PTR	203-59-231-225.perm.iinet.net.au
203.59.231.225	A	mail.mtb-it.com.au
203.59.231.225	A	mail.ozbarrett.com
203.59.231.228	A+PTR	203-59-231-228.perm.iinet.net.au
203.59.231.229	PTR	203-59-231-229.perm.iinet.net.au
203.59.231.231	A+PTR	203-59-231-231.perm.iinet.net.au
203.59.231.233	PTR	203-59-231-233.perm.iinet.net.au
203.59.231.233	A	mail.atama.com.au
203.59.231.239	PTR	203-59-231-239.perm.iinet.net.au
203.59.231.241	A+PTR	203-59-231-241.perm.iinet.net.au
203.59.231.242	A+PTR	203-59-231-242.perm.iinet.net.au
203.59.231.246	PTR	server.multimet.com.au
203.59.231.252	PTR	203-59-231-252.perm.iinet.net.au