Robtex

Up: 123.203.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 123.203.16.0/21
Down right: 123.203.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.203.16.5	A	123203016005.ctinets.com
123.203.16.39	A	123203016039.ctinets.com
123.203.16.190	A	123203016190.ctinets.com
123.203.16.232	A+PTR	123203016232.ctinets.com
123.203.17.2	A	123203017002.ctinets.com
123.203.17.7	A	123203017007.ctinets.com
123.203.17.35	A	123203017035.ctinets.com
123.203.17.43	A	123203017043.ctinets.com
123.203.17.56	A	123203017056.ctinets.com
123.203.17.81	A	123203017081.ctinets.com
123.203.17.124	A+PTR	123203017124.ctinets.com
123.203.17.147	A+PTR	123203017147.ctinets.com
123.203.17.218	A	123203017218.ctinets.com
123.203.18.12	PTR	123203018012.ctinets.com
123.203.18.12	A	qqwong.com
123.203.18.12	A	prettyhealthystore.com
123.203.18.36	PTR	123203018036.ctinets.com
123.203.18.36	A	cybernetpro.com
123.203.18.36	A	hkclra.hk.st
123.203.18.89	A	123203018089.ctinets.com
123.203.18.196	A	123203018196.ctinets.com
123.203.19.1	A	123203019001.ctinets.com
123.203.19.17	A	123203019017.ctinets.com
123.203.19.41	A+PTR	123203019041.ctinets.com
123.203.19.89	A	123203019089.ctinets.com
123.203.19.100	A	123203019100.ctinets.com
123.203.19.124	A+PTR	123203019124.ctinets.com
123.203.19.168	A	123203019168.ctinets.com
123.203.19.169	A+PTR	123203019169.ctinets.com
123.203.19.169	A	dsechem.com
123.203.19.209	A	123203019209.ctinets.com
123.203.19.232	A	123203019232.ctinets.com
123.203.20.3	A+PTR	123203020003.ctinets.com
123.203.20.61	A	123203020061.ctinets.com
123.203.20.73	A+PTR	123203020073.ctinets.com
123.203.20.88	A+PTR	123203020088.ctinets.com
123.203.20.160	A	123203020160.ctinets.com
123.203.20.193	A+PTR	123203020193.ctinets.com
123.203.20.232	A	123203020232.ctinets.com
123.203.21.6	A	123203021006.ctinets.com
123.203.21.7	A	123203021007.ctinets.com
123.203.21.13	A	123203021013.ctinets.com
123.203.21.14	A	123203021014.ctinets.com
123.203.21.19	A+PTR	123203021019.ctinets.com
123.203.21.20	A	123203021020.ctinets.com
123.203.21.21	A	123203021021.ctinets.com
123.203.21.22	A	123203021022.ctinets.com
123.203.21.36	A	123203021036.ctinets.com
123.203.21.38	A	123203021038.ctinets.com
123.203.21.40	A	123203021040.ctinets.com
123.203.21.42	A	123203021042.ctinets.com
123.203.21.51	A+PTR	123203021051.ctinets.com
123.203.21.57	A	123203021057.ctinets.com
123.203.21.58	A	123203021058.ctinets.com
123.203.21.59	A	123203021059.ctinets.com
123.203.21.64	A+PTR	123203021064.ctinets.com
123.203.21.83	A+PTR	123203021083.ctinets.com
123.203.21.86	A	123203021086.ctinets.com
123.203.21.91	A	123203021091.ctinets.com
123.203.21.96	A+PTR	123203021096.ctinets.com
123.203.21.97	A+PTR	123203021097.ctinets.com
123.203.21.102	A	123203021102.ctinets.com
123.203.21.107	A	123203021107.ctinets.com
123.203.21.112	A+PTR	123203021112.ctinets.com
123.203.21.113	A+PTR	123203021113.ctinets.com
123.203.21.116	A	123203021116.ctinets.com
123.203.21.123	A	123203021123.ctinets.com
123.203.21.131	A+PTR	123203021131.ctinets.com
123.203.21.134	A	123203021134.ctinets.com
123.203.21.139	A	123203021139.ctinets.com
123.203.21.155	A	123203021155.ctinets.com
123.203.21.157	A	123203021157.ctinets.com
123.203.21.159	A	123203021159.ctinets.com
123.203.21.171	A	123203021171.ctinets.com
123.203.21.179	A+PTR	123203021179.ctinets.com
123.203.21.180	A	123203021180.ctinets.com
123.203.21.194	A+PTR	123203021194.ctinets.com
123.203.21.196	A	123203021196.ctinets.com
123.203.21.197	A	123203021197.ctinets.com
123.203.21.198	A	123203021198.ctinets.com
123.203.21.211	A+PTR	123203021211.ctinets.com
123.203.21.212	A	123203021212.ctinets.com
123.203.21.224	A+PTR	123203021224.ctinets.com
123.203.21.225	A+PTR	123203021225.ctinets.com
123.203.21.226	A	123203021226.ctinets.com
123.203.21.227	A+PTR	123203021227.ctinets.com
123.203.21.241	A+PTR	123203021241.ctinets.com
123.203.21.243	A+PTR	123203021243.ctinets.com
123.203.21.246	A	is01.ddns.net
123.203.21.246	A	hoishun.no-ip.org
123.203.22.3	A	123203022003.ctinets.com
123.203.22.27	A	123203022027.ctinets.com
123.203.22.29	A	123203022029.ctinets.com
123.203.22.42	A	*.san.ltd.st
123.203.22.42	A	email-box.net
123.203.22.42	A	*.tic.san.ltd.st
123.203.22.62	A	123203022062.ctinets.com
123.203.22.75	A	123203022075.ctinets.com
123.203.22.127	A	123203022127.ctinets.com
123.203.22.133	A	123203022133.ctinets.com
123.203.22.134	A	123203022134.ctinets.com
123.203.22.137	A	123203022137.ctinets.com
123.203.22.160	A	123203022160.ctinets.com
123.203.22.221	A	123203022221.ctinets.com
123.203.22.227	A	123203022227.ctinets.com
123.203.22.234	A	123203022234.ctinets.com
123.203.23.92	A	123203023092.ctinets.com
123.203.23.136	A	123203023136.ctinets.com
123.203.23.144	A+PTR	123203023144.ctinets.com
123.203.23.148	A	123203023148.ctinets.com
123.203.23.156	A	123203023156.ctinets.com
123.203.23.169	A+PTR	123203023169.ctinets.com
123.203.23.196	A	123203023196.ctinets.com
123.203.23.211	A+PTR	123203023211.ctinets.com
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
123.203.26.22	A	123203026022.ctinets.com
123.203.26.24	A	123203026024.ctinets.com
123.203.26.25	A	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	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	123203026056.ctinets.com
123.203.26.68	A	123203026068.ctinets.com
123.203.26.70	A	123203026070.ctinets.com
123.203.26.72	A	123203026072.ctinets.com
123.203.26.73	A	123203026073.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	123203026090.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	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	123203026122.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	123203026152.ctinets.com
123.203.26.156	A	123203026156.ctinets.com
123.203.26.165	A	123203026165.ctinets.com
123.203.26.169	A	123203026169.ctinets.com
123.203.26.171	A	123203026171.ctinets.com
123.203.26.173	A	123203026173.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	123203026202.ctinets.com
123.203.26.216	A	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
123.203.26.247	A	123203026247.ctinets.com
123.203.26.251	A	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	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