Robtex

Up: 123.203.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 123.203.28.0/24
Down right: 123.203.29.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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