Robtex

Up: 123.243.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.16.0/22
Down right: 123.243.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.243.16.16	A	123-243-16-16.static.tpgi.com.au
123.243.16.106	PTR	123-243-16-106.static.tpgi.com.au
123.243.16.133	A	safeflame.co.nz
123.243.16.211	A	mail.newport.com.au
123.243.16.250	A+PTR	123-243-16-250.static.tpgi.com.au
123.243.17.15	A	123-243-17-15.static.tpgi.com.au
123.243.17.34	PTR	123-243-17-34.static.tpgi.com.au
123.243.17.43	A+PTR	123-243-17-43.static.tpgi.com.au
123.243.17.64	A+PTR	123-243-17-64.static.tpgi.com.au
123.243.17.79	A	123-243-17-79.static.tpgi.com.au
123.243.17.80	A+PTR	123-243-17-80.static.tpgi.com.au
123.243.17.81	A+PTR	123-243-17-81.static.tpgi.com.au
123.243.17.100	A	123-243-17-100.static.tpgi.com.au
123.243.17.123	PTR	123-243-17-123.static.tpgi.com.au
123.243.17.123	A	mail.linde.com.au
123.243.17.125	A	123-243-17-125.static.tpgi.com.au
123.243.17.131	A+PTR	123-243-17-131.static.tpgi.com.au
123.243.17.137	A	123-243-17-137.static.tpgi.com.au
123.243.17.142	A	123-243-17-142.static.tpgi.com.au
123.243.17.162	A	*.moonbeamhosting.com
123.243.17.162	A	oceanway.com.au
123.243.17.168	A+PTR	123-243-17-168.static.tpgi.com.au
123.243.17.170	A+PTR	123-243-17-170.static.tpgi.com.au
123.243.17.186	A+PTR	123-243-17-186.static.tpgi.com.au
123.243.17.188	A	123-243-17-188.static.tpgi.com.au
123.243.17.222	A	123-243-17-222.static.tpgi.com.au
123.243.17.233	A	123-243-17-233.static.tpgi.com.au
123.243.17.250	A	oopa.com.au
123.243.18.2	A+PTR	123-243-18-2.static.tpgi.com.au
123.243.18.3	A+PTR	123-243-18-3.static.tpgi.com.au
123.243.18.29	A	123-243-18-29.static.tpgi.com.au
123.243.18.79	A	shanlyn.com
123.243.18.161	A+PTR	123-243-18-161.static.tpgi.com.au
123.243.18.239	A	123-243-18-239.static.tpgi.com.au
123.243.19.20	A	123-243-19-20.static.tpgi.com.au
123.243.19.35	A	opensourceearthproject.com
123.243.19.35	A	5dprojectconsulting.com
123.243.19.53	A	123-243-19-53.static.tpgi.com.au
123.243.19.56	A+PTR	123-243-19-56.static.tpgi.com.au
123.243.19.57	A+PTR	123-243-19-57.static.tpgi.com.au
123.243.19.58	A	performancetechnologies.com
123.243.19.82	A+PTR	123-243-19-82.static.tpgi.com.au
123.243.19.85	A	123-243-19-85.static.tpgi.com.au
123.243.19.86	A	123-243-19-86.static.tpgi.com.au
123.243.19.95	A	123-243-19-95.static.tpgi.com.au
123.243.19.107	A+PTR	123-243-19-107.static.tpgi.com.au
123.243.19.110	A	bowser.it
123.243.19.133	A	home.kelvinism.com
123.243.19.149	A	123-243-19-149.static.tpgi.com.au
123.243.19.160	A+PTR	123-243-19-160.static.tpgi.com.au
123.243.19.161	A+PTR	123-243-19-161.static.tpgi.com.au
123.243.19.172	A	123-243-19-172.static.tpgi.com.au
123.243.19.180	A	123-243-19-180.static.tpgi.com.au
123.243.19.187	A+PTR	123-243-19-187.static.tpgi.com.au
123.243.19.194	A	mail.blisstechnology.com
123.243.19.194	A	blisstechnology.com
123.243.19.201	A+PTR	123-243-19-201.static.tpgi.com.au
123.243.19.207	A	123-243-19-207.static.tpgi.com.au
123.243.19.210	A	smtp.skydances.info
123.243.19.210	A	skydances.info
123.243.19.210	A	mail.skydances.info
123.243.19.215	A	mail.orthonorth.com.au
123.243.19.218	A+PTR	123-243-19-218.static.tpgi.com.au
123.243.19.223	A	vintage-radio.com.au
123.243.19.223	A	induced.net
123.243.19.223	A	bradleyleet.com.au
123.243.19.227	A+PTR	123-243-19-227.static.tpgi.com.au
123.243.19.233	A+PTR	123-243-19-233.static.tpgi.com.au
123.243.19.234	A+PTR	123-243-19-234.static.tpgi.com.au
123.243.19.235	PTR	123-243-19-235.static.tpgi.com.au
123.243.19.235	A	balanceinfosystems.com
123.243.19.235	A	ns3.balinf.com
123.243.19.252	A	123-243-19-252.static.tpgi.com.au
123.243.20.34	PTR	123-243-20-34.static.tpgi.com.au
123.243.20.34	A	hoerzer.org
123.243.20.34	A	mail.hoerzer.org
123.243.20.42	A	zingfactor.com.au
123.243.20.178	PTR	mail.orioncruises.com.au
123.243.20.218	A	ns2.110.com.au
123.243.21.25	PTR	123-243-21-25.static.tpgi.com.au
123.243.21.26	A	mail.madikonda.com
123.243.21.26	A	mail.sri.com.au
123.243.21.45	A	crctech.net.au
123.243.21.57	A+PTR	123-243-21-57.static.tpgi.com.au
123.243.21.89	A	123-243-21-89.static.tpgi.com.au
123.243.21.144	PTR	123-243-21-144.static.tpgi.com.au
123.243.21.148	A	123-243-21-148.static.tpgi.com.au
123.243.21.200	A	mail.bgunifiedsolutions.net
123.243.22.1	A	123-243-22-1.static.tpgi.com.au
123.243.22.90	PTR	123-243-22-90.static.tpgi.com.au
123.243.22.90	A	tomgrimshaw.com
123.243.22.90	A	mail.tomgrimshaw.com
123.243.22.149	A	mail.raisedimage.com
123.243.22.159	A	mail.latindance.com.au
123.243.22.225	PTR	mx1.cleardigital.com.au
123.243.23.1	PTR	123-243-23-1.static.tpgi.com.au
123.243.23.14	A	123-243-23-14.static.tpgi.com.au
123.243.23.15	A	123-243-23-15.static.tpgi.com.au
123.243.23.32	A	123-243-23-32.static.tpgi.com.au
123.243.23.100	A	123-243-23-100.static.tpgi.com.au
123.243.23.102	A	123-243-23-102.static.tpgi.com.au
123.243.23.108	A	123-243-23-108.static.tpgi.com.au
123.243.23.109	A	123-243-23-109.static.tpgi.com.au
123.243.23.110	A	123-243-23-110.static.tpgi.com.au
123.243.23.117	A	123-243-23-117.static.tpgi.com.au
123.243.23.122	A	mail.newclear.com.au
123.243.23.124	A	123-243-23-124.static.tpgi.com.au
123.243.23.127	A	123-243-23-127.static.tpgi.com.au
123.243.23.139	A	123-243-23-139.static.tpgi.com.au
123.243.23.140	A	123-243-23-140.static.tpgi.com.au
123.243.23.146	A	123-243-23-146.static.tpgi.com.au
123.243.23.149	A	123-243-23-149.static.tpgi.com.au
123.243.23.153	A	123-243-23-153.static.tpgi.com.au
123.243.23.157	A	123-243-23-157.static.tpgi.com.au
123.243.23.160	A	123-243-23-160.static.tpgi.com.au
123.243.23.172	A	123-243-23-172.static.tpgi.com.au
123.243.23.174	A	123-243-23-174.static.tpgi.com.au
123.243.23.177	A	123-243-23-177.static.tpgi.com.au
123.243.23.178	PTR	123-243-23-178.static.tpgi.com.au
123.243.23.180	A	123-243-23-180.static.tpgi.com.au
123.243.23.181	A	123-243-23-181.static.tpgi.com.au
123.243.23.185	A	123-243-23-185.static.tpgi.com.au
123.243.23.186	A	123-243-23-186.static.tpgi.com.au
123.243.23.197	A	123-243-23-197.static.tpgi.com.au
123.243.23.199	A	123-243-23-199.static.tpgi.com.au
123.243.23.202	A	123-243-23-202.static.tpgi.com.au
123.243.23.204	A	123-243-23-204.static.tpgi.com.au
123.243.23.208	A	123-243-23-208.static.tpgi.com.au
123.243.23.210	A	123-243-23-210.static.tpgi.com.au
123.243.23.211	A	123-243-23-211.static.tpgi.com.au
123.243.23.212	A	123-243-23-212.static.tpgi.com.au