Robtex

Up: 203.145.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.145.50.0/24
Down right: 203.145.51.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.145.50.98	PTR	jade.linsec.com.au
203.145.50.98	A	mail.polystruct.com.au
203.145.50.98	A	barel.com.au
203.145.50.99	PTR	ns1.linsec.com.au
203.145.50.100	A+PTR	www.trustedwebsites.com.au
203.145.50.100	A	trustedwebsites.com.au
203.145.50.101	A	hearingloops.com.au
203.145.50.101	A	hearingaugmentation.net.au
203.145.50.104	A	aussiehospitality.com.au
203.145.50.108	PTR	www.myperfume.com.au
203.145.50.108	A	perfumecity.com.au
203.145.50.108	A	mail.thefragranceemporium.com.au
203.145.50.109	PTR	titan.linsec.com.au
203.145.50.215	PTR	dc215.challserv.org.au
203.145.50.215	A	unitenetworks.com.au
203.145.50.218	A	mail.challengecommunity.org.au
203.145.50.220	A+PTR	mx.challserv.org.au