Robtex

Up: 203.221.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.221.173.0/25
Down right: 203.221.173.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.221.173.12	PTR	12.173.221.203.static.comindico.com.au
203.221.173.33	A+PTR	isp.gtsolutions.com.au
203.221.173.34	A+PTR	mx5.gtsolutions.com.au
203.221.173.35	A+PTR	mail2.gtsolutions.com.au
203.221.173.35	A	mail.ballardproperty.com.au
203.221.173.35	A	webmail.gtsolutions.com.au
203.221.173.36	A+PTR	mx6.gtsolutions.com.au
203.221.173.36	A	smtpgw.gtsolutions.com.au
203.221.173.36	A	mx.smartpups.org.au
203.221.173.37	PTR	37.173.221.203.static.comindico.com.au
203.221.173.37	A	mail.gtsolutions.com.au
203.221.173.37	A	mail.lifestart.org.au
203.221.173.41	A+PTR	asmtp.gtsolutions.com.au
203.221.173.41	A	sydmac1.gtsolutions.com.au
203.221.173.41	A	ns1.gtsolutions.com.au
203.221.173.42	PTR	42.173.221.203.static.comindico.com.au
203.221.173.42	A	siriustechnology.com.au
203.221.173.42	A	sirius.com.au
203.221.173.48	A	pallmall.com.au
203.221.173.48	A	www.pallmall.com.au
203.221.173.54	A	ts.torque.com.au
203.221.173.68	PTR	203-221-173-68.tpgi.com.au
203.221.173.68	A	mail.graincorp.com.au
203.221.173.103	PTR	103.173.221.203.static.comindico.com.au
203.221.173.120	PTR	120.173.221.203.static.comindico.com.au
203.221.173.120	A	www.doingwell.com.au