Robtex

Up: 221.12.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 221.12.160.0/20
Down right: 221.12.176.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.12.160.213	A	czyjpiaowu.com.aocdn.com
221.12.160.213	A	i1.fuimg.com.aocdn.com
221.12.160.213	A	www.92manhua.com.aocdn.com
221.12.160.242	A	mail.gocity.cn
221.12.162.2	A	06.com.cn
221.12.162.2	A	www.06.com.cn
221.12.162.2	A	zpt.com
221.12.162.3	A	znhezi.com
221.12.162.40	A	mail.ecoprintvendor.com
221.12.162.134	A	bbs.tt1798.com
221.12.163.3	A	zcyyw.net
221.12.163.37	A	pinlishi.com
221.12.163.39	A	zeiya.com
221.12.163.39	A	fenghegu.com
221.12.163.42	A	mamigou.com.cn
221.12.163.198	A	mail.nipic.cn
221.12.163.198	A	mail.huituwang.com
221.12.164.86	A	kalaile.com
221.12.164.86	A	cdndm5.net
221.12.164.86	A	*.chinaitpower.net
221.12.164.117	A	*.aibofashion.com
221.12.164.117	A	aibofashion.com
221.12.164.170	A	louislong.com
221.12.164.217	A	pillowguider.com
221.12.164.217	A	kisslatex.com
221.12.164.217	A	jinsenyulin.com
221.12.164.218	A	0577gr.com
221.12.165.12	A	ns1.bailide.com
221.12.165.98	A	www.kobron.com
221.12.165.98	A	kobron.com
221.12.165.98	A	mail.kobron.com
221.12.166.163	A	mail.tsingshansteel.com
221.12.166.196	A	jylwpos.com
221.12.168.123	PTR	mail.ymir-tech.com
221.12.168.123	A+PTR	z61.ymir-tech.com
221.12.169.142	A	sonkwotest.com
221.12.169.246	A	mail.alpha2capital.com
221.12.169.250	A	broad-t.com
221.12.171.126	A	roc2008.com
221.12.172.146	A	mails.papwmhz.cn
221.12.172.162	A	mail.ruishicn.com
221.12.172.236	A	hsrd.cn
221.12.173.74	A	mail.hansure.com
221.12.173.108	PTR	mail.ecidi.com
221.12.173.110	A	ns4.xzdam.com
221.12.173.242	A	mail.daodaor.com
221.12.174.147	A	www.zjxsbank.com
221.12.174.150	A	dns2.zjxsbank.com
221.12.174.150	A	dns1.zjxsbank.com
221.12.175.170	A	okokpro.com
221.12.175.170	A	mx01.pinnettech.com
221.12.175.172	A	mail.pinnettech.com
221.12.175.202	A	mail.huasolar.cn
221.12.175.226	A	mail03.giii.com.cn
221.12.175.227	A	giiimail.giii.com.cn
221.12.175.227	A	giii.com.cn
221.12.175.228	PTR	mail02.giii.com.cn
221.12.175.230	PTR	mail.giii.com.cn