Robtex

Up: 123.243.135.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.135.128/26
Down right: 123.243.135.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.243.135.128	A+PTR	123-243-135-128.static.tpgi.com.au
123.243.135.132	A+PTR	123-243-135-132.static.tpgi.com.au
123.243.135.136	A+PTR	123-243-135-136.static.tpgi.com.au
123.243.135.139	A+PTR	123-243-135-139.static.tpgi.com.au
123.243.135.144	A+PTR	123-243-135-144.static.tpgi.com.au
123.243.135.149	A+PTR	123-243-135-149.static.tpgi.com.au
123.243.135.150	A+PTR	123-243-135-150.static.tpgi.com.au
123.243.135.151	A+PTR	123-243-135-151.static.tpgi.com.au
123.243.135.152	A+PTR	123-243-135-152.static.tpgi.com.au
123.243.135.154	A+PTR	123-243-135-154.static.tpgi.com.au
123.243.135.163	A+PTR	123-243-135-163.static.tpgi.com.au
123.243.135.164	A+PTR	123-243-135-164.static.tpgi.com.au
123.243.135.165	A+PTR	123-243-135-165.static.tpgi.com.au
123.243.135.167	A+PTR	123-243-135-167.static.tpgi.com.au
123.243.135.177	A+PTR	123-243-135-177.static.tpgi.com.au
123.243.135.181	A+PTR	123-243-135-181.static.tpgi.com.au
123.243.135.183	A+PTR	123-243-135-183.static.tpgi.com.au
123.243.135.185	PTR	123-243-135-185.static.tpgi.com.au
123.243.135.185	A	livews.net
123.243.135.185	A	birthwaves.com.au
123.243.135.187	A+PTR	123-243-135-187.static.tpgi.com.au
123.243.135.191	A+PTR	123-243-135-191.static.tpgi.com.au
123.243.135.196	A+PTR	123-243-135-196.static.tpgi.com.au
123.243.135.197	A+PTR	123-243-135-197.static.tpgi.com.au
123.243.135.203	PTR	123-243-135-203.static.tpgi.com.au
123.243.135.203	A	pop3.brightonpodiatry.com.au
123.243.135.203	A	smtp.giggleshoes.com.au
123.243.135.210	A+PTR	123-243-135-210.static.tpgi.com.au
123.243.135.212	A+PTR	123-243-135-212.static.tpgi.com.au
123.243.135.215	A+PTR	123-243-135-215.static.tpgi.com.au
123.243.135.216	A+PTR	123-243-135-216.static.tpgi.com.au
123.243.135.218	PTR	michaelsappliancecentre.com.au
123.243.135.219	A+PTR	123-243-135-219.static.tpgi.com.au
123.243.135.220	A+PTR	123-243-135-220.static.tpgi.com.au
123.243.135.221	A+PTR	123-243-135-221.static.tpgi.com.au
123.243.135.222	A+PTR	123-243-135-222.static.tpgi.com.au
123.243.135.223	A+PTR	123-243-135-223.static.tpgi.com.au
123.243.135.226	A+PTR	123-243-135-226.static.tpgi.com.au
123.243.135.228	A+PTR	123-243-135-228.static.tpgi.com.au
123.243.135.229	A+PTR	123-243-135-229.static.tpgi.com.au
123.243.135.232	A+PTR	123-243-135-232.static.tpgi.com.au
123.243.135.233	A+PTR	123-243-135-233.static.tpgi.com.au
123.243.135.235	A+PTR	123-243-135-235.static.tpgi.com.au
123.243.135.236	A+PTR	123-243-135-236.static.tpgi.com.au
123.243.135.240	A+PTR	123-243-135-240.static.tpgi.com.au
123.243.135.244	A+PTR	123-243-135-244.static.tpgi.com.au
123.243.135.250	A+PTR	123-243-135-250.static.tpgi.com.au
123.243.135.252	A+PTR	123-243-135-252.static.tpgi.com.au
123.243.135.254	A+PTR	123-243-135-254.static.tpgi.com.au
123.243.135.255	A+PTR	123-243-135-255.static.tpgi.com.au