Robtex

Up: 123.203.22.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 123.203.22.0/25
Down right: 123.203.22.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.203.22.3	A	123203022003.ctinets.com
123.203.22.27	A	123203022027.ctinets.com
123.203.22.29	A+PTR	123203022029.ctinets.com
123.203.22.42	PTR	123203022042.ctinets.com
123.203.22.42	A	*.san.ltd.st
123.203.22.42	A	email-box.net
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