Robtex

Up: 222.30.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 222.30.192.0/22
Down right: 222.30.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
222.30.192.5	A	www.bdcf.net
222.30.192.5	A	www.hbcf.net
222.30.192.5	A	www.hbfu.edu.cn
222.30.192.8	A	dns1.hbcf.edu.cn
222.30.192.8	A	dns1.hbfu.edu.cn
222.30.192.8	A	dns1.bdcf.edu.cn
222.30.192.13	A	office.hbcf.net
222.30.192.15	PTR	ins.bdcf.edu.cn
222.30.192.15	PTR	mail.bdcf.edu.cn
222.30.192.15	PTR	jrjy.hbcf.edu.cn
222.30.192.33	A	caijuntao.site
222.30.192.50	PTR	www.hebstf.net
222.30.192.50	A+PTR	web.bdcf.edu.cn
222.30.192.50	A+PTR	web.hbcf.edu.cn
222.30.192.99	A+PTR	mail.hbcf.edu.cn
222.30.192.99	A	mail.hbfu.edu.cn
222.30.192.137	A	www.bdcf.net
222.30.193.100	PTR	cjb.bdcf.edu.cn
222.30.193.100	A+PTR	cjb.hbfu.edu.cn
222.30.193.100	A+PTR	tfkl.hbcf.edu.cn
222.30.194.54	A	hebstf.com