Robtex

Up: 203.173.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.173.37.0/25
Down right: 203.173.37.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.173.37.2	PTR	203-173-37-2.perm.iinet.net.au
203.173.37.9	A+PTR	203-173-37-9.perm.iinet.net.au
203.173.37.9	A	mail.egi.com.au
203.173.37.13	A+PTR	203-173-37-13.perm.iinet.net.au
203.173.37.28	A	analyticalmodels.com.au
203.173.37.41	A+PTR	203-173-37-41.perm.iinet.net.au
203.173.37.41	A	wiki.tphs.nsw.edu.au
203.173.37.42	PTR	203-173-37-42.perm.iinet.net.au
203.173.37.53	A+PTR	203-173-37-53.perm.iinet.net.au
203.173.37.53	A	mail3.trt.biz
203.173.37.53	A	trtglobal.net
203.173.37.55	PTR	203-173-37-55.perm.iinet.net.au
203.173.37.56	PTR	203-173-37-56.perm.iinet.net.au
203.173.37.56	A	paralegal.com.au
203.173.37.59	A	mail.latticepoint.org
203.173.37.60	A	tom.oztom.com
203.173.37.69	PTR	203-173-37-69.perm.iinet.net.au
203.173.37.73	A+PTR	203-173-37-73.perm.iinet.net.au
203.173.37.77	PTR	203-173-37-77.perm.iinet.net.au
203.173.37.78	A+PTR	203-173-37-78.perm.iinet.net.au
203.173.37.82	A	enterprise.timgibbs.net
203.173.37.84	PTR	203-173-37-84.perm.iinet.net.au
203.173.37.85	PTR	203-173-37-85.perm.iinet.net.au
203.173.37.88	A	weeksa.com
203.173.37.89	PTR	203-173-37-89.perm.iinet.net.au
203.173.37.91	A+PTR	203-173-37-91.perm.iinet.net.au
203.173.37.91	A	remote.parramattahotwater.com.au
203.173.37.91	A	mail.parramattahotwaterservice.com.au
203.173.37.93	PTR	93.acrotec.com.au
203.173.37.94	PTR	www.acrotec.com.au
203.173.37.94	A	mail.wfp.net.au
203.173.37.94	A	mail.demoyd.com.au
203.173.37.95	PTR	95.acrotec.com.au
203.173.37.95	A	bromspecbmw.com
203.173.37.95	A	bromspecmotorworks.com.au
203.173.37.97	A+PTR	mail.tnonetworks.com
203.173.37.101	PTR	voice.tnosystems.net
203.173.37.108	A	mail.ledandsolarsolutions.com
203.173.37.111	PTR	203-173-37-111.perm.iinet.net.au
203.173.37.120	A+PTR	203-173-37-120.perm.iinet.net.au
203.173.37.120	A	evilhouse.synology.me
203.173.37.122	PTR	mail.fnepping.com.au
203.173.37.127	PTR	mail.interspan.com.au
203.173.37.142	A	mail.jupitermanagement.com.au
203.173.37.144	PTR	203-173-37-144.perm.iinet.net.au
203.173.37.145	A+PTR	mail.rhmeng.com
203.173.37.146	A+PTR	203-173-37-146.perm.iinet.net.au
203.173.37.147	PTR	203-173-37-147.perm.iinet.net.au
203.173.37.156	PTR	petersham.aphid.net
203.173.37.162	A+PTR	fw1.iia.org.au
203.173.37.163	PTR	mx1.iia.org.au
203.173.37.166	A+PTR	203-173-37-166.perm.iinet.net.au
203.173.37.173	PTR	203-173-37-173.perm.iinet.net.au
203.173.37.175	PTR	mail.case.org.au
203.173.37.175	A	chaplin.case.org.au
203.173.37.175	A	ns1.case.org.au
203.173.37.176	PTR	203-173-37-176.perm.iinet.net.au
203.173.37.179	PTR	203-173-37-179.perm.iinet.net.au
203.173.37.186	A+PTR	203-173-37-186.perm.iinet.net.au
203.173.37.186	A	server.spheregraphics.com
203.173.37.186	A	mail.spheregraphics.com
203.173.37.193	PTR	203-173-37-193.perm.iinet.net.au
203.173.37.194	A+PTR	203-173-37-194.perm.iinet.net.au
203.173.37.194	A	printacall.safenetbox.biz
203.173.37.197	PTR	203-173-37-197.perm.iinet.net.au
203.173.37.199	PTR	203-173-37-199.perm.iinet.net.au
203.173.37.203	PTR	203-173-37-203.perm.iinet.net.au
203.173.37.204	PTR	203-173-37-204.perm.iinet.net.au
203.173.37.205	PTR	203-173-37-205.perm.iinet.net.au
203.173.37.206	PTR	203-173-37-206.perm.iinet.net.au
203.173.37.209	PTR	video.whyhellothere.net
203.173.37.217	A+PTR	203-173-37-217.perm.iinet.net.au
203.173.37.218	PTR	203-173-37-218.perm.iinet.net.au
203.173.37.220	PTR	203-173-37-220.perm.iinet.net.au
203.173.37.221	A+PTR	203-173-37-221.perm.iinet.net.au
203.173.37.225	PTR	203-173-37-225.perm.iinet.net.au
203.173.37.230	PTR	203-173-37-230.perm.iinet.net.au
203.173.37.232	PTR	203-173-37-232.perm.iinet.net.au
203.173.37.235	A+PTR	203-173-37-235.perm.iinet.net.au
203.173.37.241	PTR	mservices.rmftechnologies.com.au
203.173.37.244	PTR	203-173-37-244.perm.iinet.net.au
203.173.37.246	PTR	203-173-37-246.perm.iinet.net.au
203.173.37.248	PTR	203-173-37-248.perm.iinet.net.au
203.173.37.249	PTR	203-173-37-249.perm.iinet.net.au
203.173.37.251	A+PTR	203-173-37-251.perm.iinet.net.au
203.173.37.253	A	mail.southwestperio.com.au
203.173.37.254	PTR	203-173-37-254.perm.iinet.net.au