Robtex

Up: 210.31.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 210.31.224.0/21
Down right: 210.31.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.31.224.1	A+PTR	dns1.nciae.edu.cn
210.31.224.5	A	dns2.nciae.edu.cn
210.31.224.57	A	www.jiaoyu.nciae.edu.cn
210.31.226.41	A	office.nciae.edu.cn
210.31.226.41	A	nciae.edu.cn
210.31.226.41	A	hqfw.nciae.edu.cn