Robtex

Up: 123.203.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.203.24.0/22
Down right: 123.203.28.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.203.24.2	A+PTR	123203024002.ctinets.com
123.203.24.9	A	123203024009.ctinets.com
123.203.24.33	A	123203024033.ctinets.com
123.203.24.34	A	123203024034.ctinets.com
123.203.24.42	A	123203024042.ctinets.com
123.203.24.184	A	123203024184.ctinets.com
123.203.25.29	A	123203025029.ctinets.com
123.203.25.48	A	123203025048.ctinets.com
123.203.25.76	A	123203025076.ctinets.com
123.203.25.82	A	123203025082.ctinets.com
123.203.25.118	A	123203025118.ctinets.com
123.203.25.126	A	123203025126.ctinets.com
123.203.25.135	A+PTR	123203025135.ctinets.com
123.203.25.235	A	123203025235.ctinets.com
123.203.26.2	A+PTR	123203026002.ctinets.com
123.203.26.3	A+PTR	123203026003.ctinets.com
123.203.26.4	A+PTR	123203026004.ctinets.com
123.203.26.5	A	123203026005.ctinets.com
123.203.26.9	A	123203026009.ctinets.com
123.203.26.22	A	123203026022.ctinets.com
123.203.26.24	A+PTR	123203026024.ctinets.com
123.203.26.25	A+PTR	123203026025.ctinets.com
123.203.26.29	A	123203026029.ctinets.com
123.203.26.32	A+PTR	123203026032.ctinets.com
123.203.26.33	A+PTR	123203026033.ctinets.com
123.203.26.41	A+PTR	123203026041.ctinets.com
123.203.26.46	A	123203026046.ctinets.com
123.203.26.49	A+PTR	123203026049.ctinets.com
123.203.26.53	A	123203026053.ctinets.com
123.203.26.54	A	123203026054.ctinets.com
123.203.26.56	A+PTR	123203026056.ctinets.com
123.203.26.60	A	123203026060.ctinets.com
123.203.26.68	A	123203026068.ctinets.com
123.203.26.70	A	123203026070.ctinets.com
123.203.26.72	A+PTR	123203026072.ctinets.com
123.203.26.73	A+PTR	123203026073.ctinets.com
123.203.26.74	A+PTR	123203026074.ctinets.com
123.203.26.77	A	123203026077.ctinets.com
123.203.26.83	A+PTR	123203026083.ctinets.com
123.203.26.84	A	123203026084.ctinets.com
123.203.26.85	A	123203026085.ctinets.com
123.203.26.90	A+PTR	123203026090.ctinets.com
123.203.26.92	A	123203026092.ctinets.com
123.203.26.96	A+PTR	123203026096.ctinets.com
123.203.26.98	A+PTR	123203026098.ctinets.com
123.203.26.107	A+PTR	123203026107.ctinets.com
123.203.26.116	A	123203026116.ctinets.com
123.203.26.118	A	123203026118.ctinets.com
123.203.26.119	A	123203026119.ctinets.com
123.203.26.122	A+PTR	123203026122.ctinets.com
123.203.26.124	A	123203026124.ctinets.com
123.203.26.127	A	123203026127.ctinets.com
123.203.26.133	A	123203026133.ctinets.com
123.203.26.142	A	123203026142.ctinets.com
123.203.26.145	A+PTR	123203026145.ctinets.com
123.203.26.148	A	123203026148.ctinets.com
123.203.26.152	A+PTR	123203026152.ctinets.com
123.203.26.156	A	123203026156.ctinets.com
123.203.26.157	A	123203026157.ctinets.com
123.203.26.158	A	123203026158.ctinets.com
123.203.26.165	A	123203026165.ctinets.com
123.203.26.169	A+PTR	123203026169.ctinets.com
123.203.26.171	A	123203026171.ctinets.com
123.203.26.173	A	123203026173.ctinets.com
123.203.26.174	A	123203026174.ctinets.com
123.203.26.182	A	123203026182.ctinets.com
123.203.26.183	A	123203026183.ctinets.com
123.203.26.186	A	123203026186.ctinets.com
123.203.26.188	A	123203026188.ctinets.com
123.203.26.197	A	123203026197.ctinets.com
123.203.26.202	A+PTR	123203026202.ctinets.com
123.203.26.216	A+PTR	123203026216.ctinets.com
123.203.26.220	A	123203026220.ctinets.com
123.203.26.221	A	123203026221.ctinets.com
123.203.26.224	A+PTR	123203026224.ctinets.com
123.203.26.226	A+PTR	123203026226.ctinets.com
123.203.26.228	A	123203026228.ctinets.com
123.203.26.230	A	123203026230.ctinets.com
123.203.26.234	A+PTR	123203026234.ctinets.com
123.203.26.235	A+PTR	123203026235.ctinets.com
123.203.26.247	A	123203026247.ctinets.com
123.203.26.251	A+PTR	123203026251.ctinets.com
123.203.27.2	A	123203027002.ctinets.com
123.203.27.11	A	123203027011.ctinets.com
123.203.27.55	A	123203027055.ctinets.com
123.203.27.57	A	123203027057.ctinets.com
123.203.27.67	A	123203027067.ctinets.com
123.203.27.86	A+PTR	123203027086.ctinets.com
123.203.27.116	A	123203027116.ctinets.com
123.203.27.179	A	123203027179.ctinets.com
123.203.27.241	A	123203027241.ctinets.com
123.203.27.248	A+PTR	123203027248.ctinets.com
123.203.28.2	A	123203028002.ctinets.com
123.203.28.9	A	123203028009.ctinets.com
123.203.28.69	A	123203028069.ctinets.com
123.203.28.73	A	123203028073.ctinets.com
123.203.28.80	A+PTR	123203028080.ctinets.com
123.203.28.117	A+PTR	123203028117.ctinets.com
123.203.28.189	A	123203028189.ctinets.com
123.203.28.193	A	123203028193.ctinets.com
123.203.28.198	A	perrepang.myftp.org
123.203.28.213	A+PTR	123203028213.ctinets.com
123.203.29.2	A	123203029002.ctinets.com
123.203.29.6	A	123203029006.ctinets.com
123.203.29.15	A+PTR	123203029015.ctinets.com
123.203.29.19	A+PTR	123203029019.ctinets.com
123.203.29.92	A	123203029092.ctinets.com
123.203.29.104	A+PTR	123203029104.ctinets.com
123.203.29.114	A	mail.sopaawards.com
123.203.29.138	A+PTR	123203029138.ctinets.com
123.203.29.138	A	mail.edwin-mobile.com
123.203.29.150	A	123203029150.ctinets.com
123.203.29.160	A+PTR	123203029160.ctinets.com
123.203.29.160	A	utcwnap.bqswahkmliql.hath.network
123.203.29.160	A	yxxhqkn.bqswahkmliql.hath.network
123.203.30.2	A	123203030002.ctinets.com
123.203.30.56	A+PTR	123203030056.ctinets.com
123.203.30.125	A	123203030125.ctinets.com
123.203.30.131	A	123203030131.ctinets.com
123.203.30.149	A	123203030149.ctinets.com
123.203.30.181	A	123203030181.ctinets.com
123.203.30.197	A	123203030197.ctinets.com
123.203.30.200	A	123203030200.ctinets.com
123.203.30.207	A	123203030207.ctinets.com
123.203.30.215	A	123203030215.ctinets.com
123.203.30.219	A	123203030219.ctinets.com
123.203.30.223	A	keypoint.com.hk
123.203.30.225	A	123203030225.ctinets.com
123.203.31.15	A	123203031015.ctinets.com
123.203.31.91	A	123203031091.ctinets.com
123.203.31.160	A	123203031160.ctinets.com
123.203.31.179	A	123203031179.ctinets.com
123.203.31.238	A	123203031238.ctinets.com