Robtex

Up: 123.168.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 123.168.0.0/19
Down right: 123.168.32.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.168.0.106	A	www.sdepci.com
123.168.0.117	A	mail.sdepci.com
123.168.0.117	A	smtp.sdepci.com
123.168.1.1	A	906225.com
123.168.1.1	A	906613.com
123.168.1.1	A	906612.com
123.168.4.26	A	mail.sourcingchina.cn
123.168.9.35	A	mx.rafflesyacht.com
123.168.9.35	A	mx.cimc-raffles.com
123.168.9.36	A	mail.cimc-raffles.com
123.168.10.134	A	www.yhhi.com.cn
123.168.10.134	A	yhhi.com.cn
123.168.12.1	A	teachersh.com
123.168.16.69	A	spam.powertechchn.com
123.168.22.10	A+PTR	mail.weichai.com
123.168.22.10	A	mail.shig.com.cn
123.168.22.10	A	mail.weichaihm.com
123.168.22.11	PTR	office.weichai.com
123.168.22.14	PTR	vpn.weichai.com