Robtex

Up: 203.12.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.12.148.0/23
Down right: 203.12.150.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.12.148.142	PTR	mail.qpn.com.au
203.12.148.162	PTR	mail.ohb.com.au
203.12.148.177	A	wacher.hl.com.au
203.12.148.188	A	mbfbt.hl.com.au
203.12.149.40	PTR	new3as9.hunterlink.net.au
203.12.149.61	A	mabtp.hl.com.au
203.12.149.118	PTR	as2-pool1-p22.ncle.hunterlink.net.au
203.12.149.130	PTR	as1-p2.sing.hunterlink.net.au
203.12.149.139	PTR	as1-p11.sing.hunterlink.net.au
203.12.149.251	PTR	mail.singleton.nsw.gov.au
203.12.150.10	A	lnk-sing.hunterlink.net.au
203.12.150.196	A+PTR	mail1.ncc.nsw.gov.au
203.12.150.196	A	mail.newcastlebeach.com
203.12.150.201	A	www.newcastle.nsw.gov.au
203.12.150.201	A	fortscratchley.com.au
203.12.150.201	A	ncc.nsw.gov.au
203.12.150.206	A	nvcb.com.au
203.12.151.34	PTR	mail.muscoal.com.au
203.12.151.38	A	mbidac.hl.com.au
203.12.151.46	PTR	as1-p8.musw.hunterlink.net.au
203.12.151.72	PTR	as1-p34.musw.hunterlink.net.au
203.12.151.126	PTR	mail.roseptrs.com.au
203.12.151.128	A	s1as1.hunterlink.net.au
203.12.151.129	A	s1as2.hunterlink.net.au
203.12.151.131	A+PTR	s1as4.hunterlink.net.au
203.12.151.132	A+PTR	s1as5.hunterlink.net.au
203.12.151.133	A	s1as6.hunterlink.net.au
203.12.151.134	A	s1as7.hunterlink.net.au
203.12.151.136	A	s1as9.hunterlink.net.au
203.12.151.139	A	s1as12.hunterlink.net.au
203.12.151.140	A	s1as13.hunterlink.net.au
203.12.151.141	A	s1as14.hunterlink.net.au
203.12.151.142	A	s1as15.hunterlink.net.au
203.12.151.143	A	s1as16.hunterlink.net.au
203.12.151.149	A	ajadla.hl.com.au
203.12.151.153	A	csoffgate.hl.com.au
203.12.151.240	A	single-r1.hunterlink.net.au
203.12.151.249	A	single-lib.hunterlink.net.au
203.12.151.251	A	single-mod.hunterlink.net.au
203.12.151.253	A	single-bak.hunterlink.net.au