Robtex

Up: 123.243.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.135.0/25
Down right: 123.243.135.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.243.135.2	A+PTR	123-243-135-2.static.tpgi.com.au
123.243.135.3	A+PTR	123-243-135-3.static.tpgi.com.au
123.243.135.5	A+PTR	123-243-135-5.static.tpgi.com.au
123.243.135.8	A+PTR	123-243-135-8.static.tpgi.com.au
123.243.135.12	A+PTR	123-243-135-12.static.tpgi.com.au
123.243.135.21	A+PTR	123-243-135-21.static.tpgi.com.au
123.243.135.22	A+PTR	123-243-135-22.static.tpgi.com.au
123.243.135.24	A+PTR	123-243-135-24.static.tpgi.com.au
123.243.135.33	A+PTR	123-243-135-33.static.tpgi.com.au
123.243.135.34	A+PTR	123-243-135-34.static.tpgi.com.au
123.243.135.43	A+PTR	123-243-135-43.static.tpgi.com.au
123.243.135.50	A+PTR	123-243-135-50.static.tpgi.com.au
123.243.135.53	A+PTR	123-243-135-53.static.tpgi.com.au
123.243.135.53	A	mail.fashionforecastservices.com.au
123.243.135.54	A+PTR	123-243-135-54.static.tpgi.com.au
123.243.135.56	A+PTR	123-243-135-56.static.tpgi.com.au
123.243.135.60	A+PTR	123-243-135-60.static.tpgi.com.au
123.243.135.62	A+PTR	123-243-135-62.static.tpgi.com.au
123.243.135.68	A+PTR	123-243-135-68.static.tpgi.com.au
123.243.135.71	A+PTR	123-243-135-71.static.tpgi.com.au
123.243.135.72	A+PTR	123-243-135-72.static.tpgi.com.au
123.243.135.89	A+PTR	123-243-135-89.static.tpgi.com.au
123.243.135.90	A+PTR	123-243-135-90.static.tpgi.com.au
123.243.135.91	A+PTR	123-243-135-91.static.tpgi.com.au
123.243.135.93	A+PTR	123-243-135-93.static.tpgi.com.au
123.243.135.104	A	super2000.com.au
123.243.135.108	A+PTR	123-243-135-108.static.tpgi.com.au
123.243.135.113	A+PTR	123-243-135-113.static.tpgi.com.au
123.243.135.114	PTR	123-243-135-114.static.tpgi.com.au
123.243.135.114	A	mail.reaselect.com.au
123.243.135.116	A+PTR	123-243-135-116.static.tpgi.com.au
123.243.135.126	A+PTR	123-243-135-126.static.tpgi.com.au
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