Robtex

Up: 221.11.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 221.11.128.0/19
Down right: 221.11.160.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.11.130.5	A	xn--jdyyl86x.net
221.11.130.7	A	oita.cn
221.11.130.7	A	dnscnc.sub.haima.com
221.11.132.2	PTR	dns1.hi169.net
221.11.132.3	PTR	dns2.hi169.net
221.11.132.7	A	mail.hi169.net
221.11.132.22	A	mail.hai169.com
221.11.132.23	A	mailserver.hai169.com
221.11.134.19	A	ns2.dersoftware.com
221.11.134.19	A	ns2.dasoem.com
221.11.137.193	A	wsmtp.hnair.com
221.11.139.145	A	wsmtp.hkairlines.net
221.11.139.145	A	ismtp.hkairlines.net
221.11.139.146	A	ismtp.pa-invest.com
221.11.139.153	A	ns2.hnair.com
221.11.139.172	A	wsmtp.hnair.com
221.11.139.193	PTR	barracuda.hnair.com
221.11.139.193	PTR	edge.hnair.com
221.11.139.193	A	edgehk.hkairlines.net
221.11.139.194	A	www.xn--6kr88q3npzm6aqfk.com
221.11.139.200	A	www.cjleasing.com
221.11.161.4	A	huic.cn
221.11.161.5	A	mail.huic.cn
221.11.163.29	A	www.haikoulib.com
221.11.166.33	A	doa.sub.haima.com
221.11.166.36	A	jinpanwuliu.com
221.11.166.43	A	soa.sub.haima.com
221.11.168.53	A	hotelhainan.net
221.11.172.10	A	ns2.qiye.tianya.cn
221.11.172.10	A	ns2.bbs.tianya.cn
221.11.172.10	A	ns2.tianyaclub.com
221.11.172.156	A	my.tianya.cn
221.11.172.157	A	www4.tianya.cn
221.11.172.177	A	fx123456.groups.tianya.cn
221.11.172.200	A	static.tianya.cn
221.11.172.222	A	www.hiholiday.com
221.11.183.52	A	sjyport.com
221.11.183.52	A	ypport.com
221.11.183.54	A	ypeport.com
221.11.183.61	A	yangpuport.com
221.11.190.190	A	ns.taishan.gd.cn