Robtex

Up: 123.202.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.202.4.0/23
Down right: 123.202.6.0/23

IP	Type	Hostname
123.202.4.22	A	123202004022.ctinets.com
123.202.4.30	A	123202004030.ctinets.com
123.202.4.32	A+PTR	123202004032.ctinets.com
123.202.4.33	A	123202004033.ctinets.com
123.202.4.42	A	123202004042.ctinets.com
123.202.4.63	A+PTR	123202004063.ctinets.com
123.202.4.107	A	123202004107.ctinets.com
123.202.4.143	A	123202004143.ctinets.com
123.202.5.8	A+PTR	123202005008.ctinets.com
123.202.5.20	A+PTR	123202005020.ctinets.com
123.202.5.26	A+PTR	123202005026.ctinets.com
123.202.5.49	A+PTR	123202005049.ctinets.com
123.202.5.66	A	123202005066.ctinets.com
123.202.5.76	A+PTR	123202005076.ctinets.com
123.202.5.80	A+PTR	123202005080.ctinets.com
123.202.5.92	A+PTR	123202005092.ctinets.com
123.202.5.96	A+PTR	123202005096.ctinets.com
123.202.5.101	A+PTR	123202005101.ctinets.com
123.202.5.129	A+PTR	123202005129.ctinets.com
123.202.5.135	A+PTR	123202005135.ctinets.com
123.202.5.146	A+PTR	123202005146.ctinets.com
123.202.5.162	A+PTR	123202005162.ctinets.com
123.202.5.163	A+PTR	123202005163.ctinets.com
123.202.5.179	A+PTR	123202005179.ctinets.com
123.202.5.185	A	123202005185.ctinets.com
123.202.5.188	A+PTR	123202005188.ctinets.com
123.202.5.189	A+PTR	123202005189.ctinets.com
123.202.5.201	A+PTR	123202005201.ctinets.com
123.202.5.204	A+PTR	123202005204.ctinets.com
123.202.5.206	A+PTR	123202005206.ctinets.com
123.202.5.211	PTR	123202005211.ctinets.com
123.202.5.211	A	leungkam.no-ip.org
123.202.5.212	A+PTR	123202005212.ctinets.com
123.202.5.228	A+PTR	123202005228.ctinets.com
123.202.5.229	A+PTR	123202005229.ctinets.com
123.202.5.235	A+PTR	123202005235.ctinets.com
123.202.5.242	A+PTR	123202005242.ctinets.com
123.202.5.245	A+PTR	123202005245.ctinets.com
123.202.6.85	A	123202006085.ctinets.com
123.202.6.101	A	123202006101.ctinets.com
123.202.7.155	A	123202007155.ctinets.com
123.202.7.182	A	123202007182.ctinets.com