Robtex

Up: 123.202.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.202.12.0/23
Down right: 123.202.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.202.12.1	A+PTR	123202012001.ctinets.com
123.202.12.2	A	123202012002.ctinets.com
123.202.12.30	A+PTR	123202012030.ctinets.com
123.202.12.53	A+PTR	123202012053.ctinets.com
123.202.12.61	A+PTR	123202012061.ctinets.com
123.202.12.202	A	123202012202.ctinets.com
123.202.12.215	A+PTR	123202012215.ctinets.com
123.202.12.216	A	hasuninet.com
123.202.13.2	A	123202013002.ctinets.com
123.202.13.6	A	123202013006.ctinets.com
123.202.13.19	A	123202013019.ctinets.com
123.202.13.35	A+PTR	123202013035.ctinets.com
123.202.13.65	A	alancheung.net
123.202.13.69	A+PTR	123202013069.ctinets.com
123.202.13.109	A	123202013109.ctinets.com
123.202.13.114	A	123202013114.ctinets.com
123.202.13.127	A+PTR	123202013127.ctinets.com
123.202.13.140	A+PTR	123202013140.ctinets.com
123.202.13.145	A+PTR	123202013145.ctinets.com
123.202.13.154	A	123202013154.ctinets.com
123.202.13.191	A+PTR	123202013191.ctinets.com
123.202.13.218	A	123202013218.ctinets.com
123.202.13.228	A+PTR	123202013228.ctinets.com
123.202.13.236	A+PTR	123202013236.ctinets.com
123.202.13.249	A	123202013249.ctinets.com
123.202.14.19	A+PTR	123202014019.ctinets.com
123.202.14.48	A	pandal.com
123.202.14.75	A+PTR	123202014075.ctinets.com
123.202.14.97	A+PTR	123202014097.ctinets.com
123.202.14.159	A+PTR	123202014159.ctinets.com
123.202.14.173	A+PTR	123202014173.ctinets.com
123.202.14.184	A	123202014184.ctinets.com
123.202.14.206	A	123202014206.ctinets.com
123.202.14.210	A	123202014210.ctinets.com
123.202.14.223	A+PTR	123202014223.ctinets.com
123.202.14.228	A+PTR	123202014228.ctinets.com
123.202.14.240	A	edwardkeung.com
123.202.14.240	A	edwardkeung.net
123.202.14.243	A	123202014243.ctinets.com
123.202.15.1	A+PTR	123202015001.ctinets.com
123.202.15.15	A+PTR	123202015015.ctinets.com
123.202.15.40	A+PTR	123202015040.ctinets.com
123.202.15.45	A	home.edwardkeung.net
123.202.15.45	A	mail.edwardkeung.com
123.202.15.45	A	home.edwardkeung.com
123.202.15.59	A+PTR	123202015059.ctinets.com
123.202.15.72	A	123202015072.ctinets.com
123.202.15.77	A+PTR	123202015077.ctinets.com
123.202.15.97	A+PTR	123202015097.ctinets.com
123.202.15.99	A+PTR	123202015099.ctinets.com
123.202.15.102	A	ansonwun.no-ip.org
123.202.15.110	A	123202015110.ctinets.com
123.202.15.115	A+PTR	123202015115.ctinets.com
123.202.15.118	A	hungsheng.info
123.202.15.118	A	123202015118.ctinets.com
123.202.15.121	A+PTR	123202015121.ctinets.com
123.202.15.123	A+PTR	123202015123.ctinets.com
123.202.15.148	PTR	123202015148.ctinets.com
123.202.15.148	A	fcrbpeter.myqnapcloud.com
123.202.15.216	A+PTR	123202015216.ctinets.com
123.202.15.217	A	123202015217.ctinets.com
123.202.15.223	A	123202015223.ctinets.com
123.202.15.243	A+PTR	123202015243.ctinets.com