Robtex

Up: 202.112.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 202.112.31.0/25
Down right: 202.112.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.112.31.195	A	synet.edu.cn
202.112.31.195	A	dragon.synet.edu.cn
202.112.31.195	A	www.synet.edu.cn
202.112.31.197	A+PTR	dns2.synet.edu.cn
202.112.31.197	A	edu.ntp.org.cn
202.112.31.197	A	3.cn.pool.ntp.org