Robtex

Up: 203.22.232.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.22.236.0/23
Down right: 203.22.238.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.22.236.14	A+PTR	mail.adamhelp.com
203.22.236.14	A	adamhelp.com
203.22.236.47	PTR	roo.emu.id.au
203.22.236.178	PTR	mail.legals.com.au
203.22.237.31	A+PTR	mail.frsa.org.au
203.22.237.39	A+PTR	mail.acsa.edu.au
203.22.237.59	A+PTR	mail.chsol.com.au
203.22.237.75	PTR	mail.biztech.com.au
203.22.237.130	PTR	gw1.matera.net.au
203.22.237.130	A	mail.matera.solutions
203.22.237.130	A	ns1.daisyhill.net.au
203.22.237.131	PTR	mail.aasw.asn.au
203.22.237.147	PTR	mail.psa.org.au
203.22.237.152	A+PTR	mail.bayleyteam.com.au
203.22.237.156	A	cphee.com
203.22.237.158	A	mail.interactionconsulting.com.au
203.22.237.174	PTR	mail.capitalairportgrp.com.au
203.22.237.174	A	mail.constitutionplace.com.au
203.22.237.174	A	mx3.canberraairport.com.au
203.22.237.183	A+PTR	tempo.businesscertainty.com
203.22.237.183	A	tempo.factorypreset.com
203.22.237.183	A	businesscertainty.com
203.22.237.231	PTR	203-22-237-231.static.netspeed.com.au
203.22.237.231	A	metarankings.com
203.22.237.239	PTR	203-22-237-239.static.netspeed.com.au
203.22.237.239	A	mx1.mirrabooka.net
203.22.237.239	A	mail2.khanna.com.au
203.22.237.240	PTR	mail.animalhealthaustralia.com.au
203.22.237.240	A	mail.ojd.com.au
203.22.237.248	A	mail.apia.asn.au
203.22.238.101	A	breeze.mak.net.au
203.22.238.107	PTR	mail.prerequisiteit.com.au
203.22.238.114	PTR	itag.lei.net.au
203.22.239.14	PTR	203-22-239-14.static.netspeed.com.au
203.22.239.19	A	mail.actdgp.asn.au
203.22.239.23	PTR	203-22-239-23.static.netspeed.com.au
203.22.239.66	A	mail.trulightdesigns.com
203.22.239.66	A	mail.deborahnairn.com
203.22.239.74	PTR	203-22-239-74.static.netspeed.com.au
203.22.239.74	A	almery.firx.net
203.22.239.74	A	ns1.firx.net
203.22.239.91	A	safekeeper-solutions.com
203.22.239.91	A	oz-kiwi.com
203.22.239.115	A	rskmail.dyndns.org
203.22.239.117	PTR	provident.net.au
203.22.239.117	A	mail.autopaintsupplies.com.au
203.22.239.121	PTR	203-22-239-121.static.netspeed.com.au
203.22.239.121	A	mail.peopleandstrategy.com.au
203.22.239.121	A	webmail.codemonke.com
203.22.239.146	PTR	203-22-239-146.static.netspeed.com.au
203.22.239.151	A	mail.completeconstructionsaust.com.au
203.22.239.153	PTR	203-22-239-153.static.netspeed.com.au
203.22.239.153	A	remote.geoffdriscollarchitects.com.au
203.22.239.153	A	geoffdriscollarchitects.com.au
203.22.239.169	PTR	203-22-239-169.static.netspeed.com.au
203.22.239.169	A	mail.sanctumc.com.au
203.22.239.183	PTR	203-22-239-183.static.netspeed.com.au
203.22.239.186	A+PTR	mail.captrophysports.com.au
203.22.239.186	A	mx1.visualanalysis.com.sg
203.22.239.187	PTR	mail.ljh.com.au
203.22.239.208	PTR	203-22-239-208.static.netspeed.com.au
203.22.239.209	PTR	203-22-239-209.static.netspeed.com.au
203.22.239.210	PTR	203-22-239-210.static.netspeed.com.au
203.22.239.210	A	mail.bowlsact.org.au
203.22.239.244	PTR	203-22-239-244.static.netspeed.com.au
203.22.239.244	A	carneyassociates.com.au