Robtex

Up: 203.57.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.57.36.0/23
Down right: 203.57.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.57.36.1	A+PTR	ns01.ctel.net.au
203.57.36.1	A	ns01.ctel.com.au
203.57.36.2	A+PTR	ns03.ctel.net.au
203.57.36.2	A	ns03.ctel.com.au
203.57.36.91	A+PTR	ks1.cnshealth.com.au
203.57.36.91	A	divrsupport.cnshealth.com.au
203.57.36.91	A	ks.cnshealth.com.au
203.57.36.93	PTR	ks3.cnshealth.com.au
203.57.36.101	PTR	sms.mednet.com.au
203.57.36.101	A+PTR	medcoms-web01.mednet.com.au
203.57.36.102	A+PTR	medcoms-web02.mednet.com.au
203.57.36.128	A+PTR	plesk-01.qi.com.au
203.57.36.144	PTR	plesk-02.qi.com.au
203.57.36.144	A	healthbank.com.au
203.57.36.144	A	secur8t.com
203.57.36.147	PTR	plesk-02.qi.com.au
203.57.36.148	A	mail.itcave.com.au
203.57.36.148	A	ns.gamergear.me
203.57.36.148	A	mail.itdestination.com.au
203.57.36.152	A	mednet.com.au
203.57.36.153	PTR	plesk-02.qi.com.au
203.57.36.153	A	cnshealth.com
203.57.36.153	A	cnshealth.com.au
203.57.36.154	PTR	plesk-02.qi.com.au
203.57.36.161	A	melissa.qi.com.au
203.57.36.165	A	britta.qi.com.au
203.57.36.170	PTR	daisy.qi.com.au
203.57.36.170	A	ns1.quantuminternet.net
203.57.36.170	A	daisy.quantuminternet.net
203.57.36.171	PTR	donna.qi.com.au
203.57.36.171	A	ns2.quantuminternet.net
203.57.36.171	A	iremote.secur8t.com
203.57.36.177	A+PTR	impulse-001.mednet.com.au
203.57.36.190	A	iremote.secur8t.com
203.57.36.190	A	remotegateway.mednet.com.au
203.57.36.214	PTR	ns01.ctel.net.au
203.57.36.220	A	gamergear.net
203.57.36.220	A	gunghogamer.com
203.57.36.220	A	www.gamergear.net
203.57.36.253	PTR	firewall.qi.com.au
203.57.36.253	A	gate.qi.com.au
203.57.37.36	A	www.clubgaming.com.au
203.57.37.68	A	ns.smartmail.net.au
203.57.38.1	A+PTR	dns1.amtac.net
203.57.38.10	A+PTR	amtac.net
203.57.38.10	PTR	amtac.com.au
203.57.38.10	PTR	exchange.amtac.net
203.57.38.11	A	exchange.amtac.net
203.57.38.20	PTR	dev.cpted-2005.com
203.57.38.20	A+PTR	ssldev.amtac.net
203.57.38.20	A+PTR	uploads.amtac.net
203.57.38.21	PTR	email.treasuryreserve.com
203.57.38.21	PTR	email.schoolcare.net
203.57.38.21	PTR	webmail.schoolcare.net
203.57.38.22	PTR	downloads.ismcpi.org
203.57.38.25	A+PTR	protect.amtac.net
203.57.38.30	PTR	devchat.schoolcare.net
203.57.38.30	PTR	dev.qps.amtac.net
203.57.38.32	A+PTR	webmail.amtac.net
203.57.38.40	A+PTR	mail.treasuryreserve.com
203.57.38.40	A+PTR	mail.amtac.net
203.57.38.40	A+PTR	mail.security.treasuryreserve.com
203.57.38.50	A	securityequipmentcatalog.net
203.57.38.50	A	parachat.amtac.net
203.57.38.50	A	www.securityequipmentcatalogue.net
203.57.38.51	PTR	extract.treasuryreserve.com
203.57.38.51	PTR	id.treasuryreserve.com
203.57.38.51	PTR	security.treasuryreserve.com
203.57.38.52	A+PTR	cctv.amtac.net
203.57.38.53	A+PTR	demo.amtac.net
203.57.38.55	A+PTR	dftupdate.amtac.net
203.57.38.56	A+PTR	dhs.vicoffices.com
203.57.38.65	A+PTR	upload.amtac.net
203.57.38.80	PTR	cpted-2004.com
203.57.38.80	PTR	cptedtraining.com
203.57.38.80	PTR	crime-prevention-through-environmental-design.com
203.57.38.85	PTR	cpted-2005.com
203.57.38.85	A+PTR	old.treasuryreserve.com
203.57.38.85	A+PTR	web1.amtac.net
203.57.38.90	A+PTR	ssl.amtac.net
203.57.38.90	A+PTR	ssl2.amtac.net
203.57.38.90	A+PTR	tsweb.amtac.net
203.57.38.91	PTR	chartfx.amtac.net
203.57.38.91	A+PTR	riskwatch.amtac.net
203.57.38.104	A+PTR	tsrad2.amtac.net
203.57.38.105	A+PTR	tsws1.amtac.ca
203.57.38.105	A+PTR	tscaws1.amtac.net
203.57.38.107	A+PTR	tsdirect.amtac.net
203.57.38.201	PTR	amtacprofessionalservices.com
203.57.38.201	PTR	assetregister.net
203.57.38.201	PTR	qldgov.net
203.57.38.253	A+PTR	network.amtac.net