Robtex

Up: 123.243.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.216.0/22
Down right: 123.243.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.243.216.5	A	123-243-216-5.tpgi.com.au
123.243.216.21	A	123-243-216-21.tpgi.com.au
123.243.216.79	A	123-243-216-79.tpgi.com.au
123.243.216.153	A	123-243-216-153.tpgi.com.au
123.243.216.208	A	123-243-216-208.tpgi.com.au
123.243.216.219	A	123-243-216-219.tpgi.com.au
123.243.216.227	A	123-243-216-227.tpgi.com.au
123.243.216.248	PTR	123-243-216-248.tpgi.com.au
123.243.217.1	A+PTR	123-243-217-1.tpgi.com.au
123.243.217.21	A	123-243-217-21.tpgi.com.au
123.243.217.43	A	123-243-217-43.tpgi.com.au
123.243.217.67	A+PTR	123-243-217-67.tpgi.com.au
123.243.217.73	A	bmcdemo.com
123.243.217.124	A	123-243-217-124.tpgi.com.au
123.243.217.127	A	123-243-217-127.tpgi.com.au
123.243.217.159	A	123-243-217-159.tpgi.com.au
123.243.218.31	A	*.1stoilandgas.com
123.243.218.31	A	mail.1stoilandgas.com
123.243.218.32	A	123-243-218-32.tpgi.com.au
123.243.218.47	A	123-243-218-47.tpgi.com.au
123.243.218.53	A	123-243-218-53.tpgi.com.au
123.243.218.88	PTR	123-243-218-88.tpgi.com.au
123.243.218.111	A	123-243-218-111.tpgi.com.au
123.243.218.125	A	coastalcarpentry.com.au
123.243.218.131	A	123-243-218-131.tpgi.com.au
123.243.218.204	A	123-243-218-204.tpgi.com.au
123.243.219.7	A	mail.selectiv.biz
123.243.219.42	A	123-243-219-42.tpgi.com.au
123.243.219.92	A	mail.r34p3r.com
123.243.219.92	A	r34p3r.com
123.243.219.105	A+PTR	123-243-219-105.tpgi.com.au
123.243.219.106	A	123-243-219-106.tpgi.com.au
123.243.219.169	A	123-243-219-169.tpgi.com.au
123.243.219.219	A	123-243-219-219.tpgi.com.au
123.243.219.226	A+PTR	123-243-219-226.tpgi.com.au
123.243.219.240	A	123-243-219-240.tpgi.com.au
123.243.220.217	A+PTR	123-243-220-217.tpgi.com.au
123.243.220.217	A	mail.wbit.com.au
123.243.221.16	A+PTR	123-243-221-16.tpgi.com.au
123.243.221.26	A+PTR	123-243-221-26.tpgi.com.au
123.243.221.48	A+PTR	123-243-221-48.tpgi.com.au
123.243.221.115	A+PTR	123-243-221-115.tpgi.com.au
123.243.221.139	A+PTR	123-243-221-139.tpgi.com.au
123.243.221.151	A	123-243-221-151.tpgi.com.au
123.243.221.152	PTR	123-243-221-152.tpgi.com.au
123.243.221.164	A	123-243-221-164.tpgi.com.au
123.243.221.168	A+PTR	123-243-221-168.tpgi.com.au
123.243.221.216	PTR	123-243-221-216.tpgi.com.au
123.243.222.4	A	123-243-222-4.tpgi.com.au
123.243.222.22	A	123-243-222-22.tpgi.com.au
123.243.222.74	A	123-243-222-74.tpgi.com.au
123.243.222.75	A	mail.transcorpaustralia.com.au
123.243.222.98	A	123-243-222-98.tpgi.com.au
123.243.222.122	A+PTR	123-243-222-122.tpgi.com.au
123.243.222.122	A	ns1.hillside-computers.com
123.243.222.122	A	ns2.hillside-computers.com
123.243.222.185	A+PTR	123-243-222-185.tpgi.com.au
123.243.223.1	A+PTR	123-243-223-1.static.tpgi.com.au
123.243.223.35	A+PTR	123-243-223-35.static.tpgi.com.au
123.243.223.38	A	123-243-223-38.static.tpgi.com.au
123.243.223.42	A+PTR	123-243-223-42.static.tpgi.com.au
123.243.223.57	A+PTR	123-243-223-57.static.tpgi.com.au
123.243.223.172	A	123-243-223-172.static.tpgi.com.au
123.243.223.214	A	123-243-223-214.static.tpgi.com.au
123.243.223.230	A	hedders.net