Robtex

Up: 203.21.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 203.21.128.0/19
Down right: 203.21.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.21.130.1	A+PTR	edns-266.unimelb.net.au
203.21.130.1	A	ns1.apana.org.au
203.21.130.1	A	muwaya.ucs.unimelb.edu.au
203.21.130.5	PTR	proxy.unimelb.edu.au
203.21.130.5	PTR	wwwproxy-test.unimelb.edu.au
203.21.130.5	PTR	wwwproxy.unimelb.edu.au
203.21.130.140	A	myuniapps.gslb-prod.unimelb.edu.au
203.21.130.161	A	backup-rtr-fether0-0.vrn.edu.au
203.21.130.163	A	rmit-bak.vrn.edu.au
203.21.130.168	A	deakin-bak.vrn.edu.au
203.21.130.194	A	muffin.vrn.edu.au
203.21.130.198	A	vic-tm.vrn.edu.au
203.21.130.202	A	west-sw-atm2-0-0-10.vrn.edu.au
203.21.130.213	A	vic-gw-feth3-0.vrn.edu.au
203.21.131.1	A+PTR	edns-396.unimelb.net.au
203.21.131.1	PTR	edns-396.unimelb.edu.au
203.21.131.1	A	ns2.unimelb.edu.au
203.21.131.9	A	vic-gw-feth3-0.vrn.edu.au
203.21.131.29	A	vic-gw-feth3-0.vrn.edu.au
203.21.133.1	A	sunny.lisp.com.au
203.21.133.6	A	accsys.lisp.com.au
203.21.133.123	A	mail.tuncurrysunrise.com.au
203.21.133.157	A	ns1.bobsutor.com
203.21.133.157	A	ns1.ozeres.com
203.21.133.157	A	ns1.kanimbla.com
203.21.133.161	A	magiczone.conexim.com.au
203.21.134.5	A	penrithcity.nsw.gov.au
203.21.134.5	A	www.penrithcity.nsw.gov.au
203.21.134.5	A	penrith.nsw.gov.au
203.21.134.9	A	pifc.org.au
203.21.137.143	A	yufangdz.com
203.21.140.98	A	203.21.140.98.static.rev.eftel.com
203.21.141.58	A	203.21.141.58.static.rev.eftel.com
203.21.141.113	A	203.21.141.113.static.rev.eftel.com
203.21.141.194	A+PTR	203.21.141.194.static.rev.eftel.com
203.21.142.7	A	203.21.142.7.static.rev.eftel.com
203.21.142.16	A	203.21.142.16.static.rev.eftel.com
203.21.142.29	A	203.21.142.29.static.rev.eftel.com
203.21.142.35	A	203.21.142.35.static.rev.eftel.com
203.21.142.112	A	203.21.142.112.static.rev.eftel.com
203.21.142.114	A	203.21.142.114.static.rev.eftel.com
203.21.142.115	A	203.21.142.115.static.rev.eftel.com
203.21.142.130	A+PTR	203.21.142.130.static.rev.eftel.com
203.21.142.148	A	203.21.142.148.static.rev.eftel.com
203.21.142.153	A	203.21.142.153.static.rev.eftel.com
203.21.142.169	A	203.21.142.169.static.rev.eftel.com
203.21.142.227	A	203.21.142.227.static.rev.eftel.com
203.21.142.233	A	203.21.142.233.static.rev.eftel.com
203.21.142.242	A	203.21.142.242.static.rev.eftel.com
203.21.142.249	A	203.21.142.249.static.rev.eftel.com
203.21.143.8	A	203.21.143.8.static.rev.eftel.com
203.21.143.49	A	203.21.143.49.static.rev.eftel.com
203.21.143.56	A	203.21.143.56.static.rev.eftel.com
203.21.143.64	A+PTR	203.21.143.64.static.rev.eftel.com
203.21.143.65	PTR	203.21.143.65.static.rev.eftel.com
203.21.143.75	A	203.21.143.75.static.rev.eftel.com
203.21.143.134	A	203.21.143.134.static.rev.eftel.com
203.21.143.158	A	203.21.143.158.static.rev.eftel.com
203.21.143.192	PTR	203.21.143.192.static.rev.eftel.com
203.21.143.194	PTR	203.21.143.194.static.rev.eftel.com
203.21.143.216	A	203.21.143.216.static.rev.eftel.com
203.21.143.243	A	203.21.143.243.static.rev.eftel.com
203.21.150.3	A	ns2.hunterwater.com.au
203.21.150.4	A+PTR	mail2.hunterwater.com.au
203.21.150.7	A	www.hunterwater.com.au
203.21.150.7	A	hunterwater.com.au
203.21.151.3	A	ns1.hunterwater.com.au
203.21.151.4	A+PTR	mail1.hunterwater.com.au
203.21.160.2	A	ns.amp.com.au
203.21.160.2	A	mail.amp.com.au
203.21.176.80	A	ob.pacificnational.com.au
203.21.178.16	PTR	pacnat.com.au
203.21.178.16	PTR	asciano.net.au
203.21.178.16	PTR	ftp.freightweb.com.au
203.21.180.8	A	mail.gslb.asciano.com.au
203.21.180.131	A	mail.gslb.asciano.com.au
203.21.182.36	A	ns4.pacnat.com.au
203.21.183.36	A	ns3.pacnat.com.au
203.21.183.97	A	freightweb.com.au
203.21.188.31	A	ns1.pacnat.com.au
203.21.188.32	A	ns2.pacnat.com.au