Robtex

Up: 203.12.160.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.12.164.0/23
Down right: 203.12.166.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.12.164.6	A	mail.redtelecom.com.au
203.12.164.14	A+PTR	mail.macumen.com.au
203.12.164.14	A	mail.heroscent.com
203.12.164.46	A	mail2.lateralcorp.com.au
203.12.164.46	A	mail.lateralestate.com
203.12.164.49	PTR	203-12-164-49.tpgi.com.au
203.12.164.49	A	mail.morganco.com.au
203.12.164.49	A	mail2.fragrancesoftheworld.com
203.12.164.51	PTR	203-12-164-51.static.tpgi.com.au
203.12.164.51	A	thebradbury.com.au
203.12.164.51	A	chatswoodmonkeybar.com.au
203.12.164.56	A+PTR	203-12-164-56.tpgi.com.au
203.12.164.56	A	ns2.itis.com.au
203.12.164.57	PTR	203-12-164-57.tpgi.com.au
203.12.164.57	A	chatswoodmonkeybar.com.au
203.12.164.57	A	gtshotel.com.au
203.12.164.66	PTR	203-12-164-66.static.tpgi.com.au
203.12.164.66	A	mail1.powercontrol.net.au
203.12.164.66	A	mail1.itispl.com.au
203.12.164.86	A	mail.swct.com.au
203.12.164.98	PTR	203-12-164-98.tpgi.com.au
203.12.164.110	A	www.statwhol.com.au
203.12.164.110	A	mail.statwhol.com.au
203.12.164.110	A	mail.stationerywholesalers.com.au
203.12.164.158	PTR	203-12-164-158.tpgi.com.au
203.12.164.158	A	mail.stantondahl.com.au
203.12.164.162	PTR	203-12-164-162.tpgi.com.au
203.12.164.162	A	mail.australiaprotectionsecurity.com.au
203.12.164.162	A	mail.ultimatesecurity.com.au
203.12.164.178	PTR	203-12-164-178.tpgi.com.au
203.12.164.178	A	mail.ashemorgan.com
203.12.164.206	PTR	203-12-164-206.tpgi.com.au
203.12.164.206	A	mail.newport.com.au
203.12.164.216	A	203-12-164-216.tpgi.com.au
203.12.164.246	PTR	203-12-164-246.tpgi.com.au
203.12.164.246	A	echidna.algoteq.com
203.12.165.42	A	mail.birdseye.bz
203.12.165.50	PTR	203-12-165-50.static.tpgi.com.au
203.12.165.50	A	mail.aib.org.au
203.12.165.201	PTR	203-12-165-201.static.tpgi.com.au
203.12.165.214	A	mail.sellickconsultants.com.au
203.12.166.34	A	gateway.transdiesel.com.au
203.12.166.62	PTR	203-12-166-62.static.tpgi.com.au
203.12.166.62	A	mail.hyalitehydroponics.com
203.12.166.62	A	remote.hyalitehydroponics.com
203.12.166.98	A	mail2.pleysierperkins.com
203.12.166.98	A	mail2.pleysierperkins.com.au
203.12.166.106	PTR	203-12-166-106.static.tpgi.com.au
203.12.166.106	A	mail.tuscanpath.com.au
203.12.166.126	A	mailsrvr.marketmetrics.com.au
203.12.166.170	PTR	203-12-166-170.static.tpgi.com.au
203.12.166.170	A	www.cmykonline.com.au
203.12.166.195	PTR	203-12-166-195.static.tpgi.com.au
203.12.166.195	A	gen-e.com.au
203.12.166.195	A	copywritersink.com
203.12.166.196	A	tristangriffiths.net
203.12.167.43	A	blade-bkup.tpgi.com.au
203.12.167.110	A+PTR	tpg-nbn-gateway.tpg.com.au
203.12.167.125	A+PTR	nosferatou.tpgi.com.au