Robtex

Up: 121.195.186.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 121.195.186.0/25
Down right: 121.195.186.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.195.186.1	A	dns.ciids.cn
121.195.186.1	A	dns.gucas.ac.cn
121.195.186.1	A	dns.ucas.edu.cn
121.195.186.131	A	nritatest.ucas.ac.cn
121.195.186.131	A	gdlabtest.ucas.ac.cn
121.195.186.131	A	icctest.ucas.ac.cn
121.195.186.219	A	ceit.ucas.ac.cn