Robtex

Up: 221.130.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 221.130.32.0/21
Down right: 221.130.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.130.33.132	A+PTR	dns02.bj.chinamobile.com
221.130.33.132	A	dns01.bjmcc.net
221.130.44.232	A	hdss1fta.fetion.com.cn
221.130.45.131	A	www.bj.10086.cn
221.130.45.131	A	dragonfly.tk
221.130.45.131	A	www.bmcc.com.cn
221.130.45.197	A	f.10086.cn
221.130.45.201	A	nav.fetion.com.cn
221.130.45.212	A	uid.fetion.com.cn
221.130.45.234	A	amigo.bjmcc.net
221.130.46.151	A	webim.feixin.10086.cn