Robtex

Up: 221.12.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 221.12.128.0/20
Down right: 221.12.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.12.129.14	A	mail.hopetop.cn
221.12.129.114	A	hzsmtc.com.cn
221.12.129.132	A	ns2.huzhou.gov.cn
221.12.129.132	A	ns.huzhou.gov.cn
221.12.129.134	A	huzhouauto.com
221.12.129.140	A	sfl.huzhou.gov.cn
221.12.129.226	A	dqznrd.com
221.12.130.98	A	ds-garment.com
221.12.130.99	A	defconone.cn
221.12.130.205	A	baigan.com
221.12.131.4	A	doshow365.cn
221.12.131.74	A	ccc1688.com
221.12.131.74	A	www.ccc1688.com
221.12.131.114	A	sinno.cn
221.12.132.43	A	cnc.hz66.com
221.12.132.66	A	yuhuafz.com.cn
221.12.132.66	A	www.yuhuafz.com.cn
221.12.132.66	A	yuhuagroup.com.cn
221.12.132.166	A+PTR	mail.ibegroup.com
221.12.132.166	A	www.gopherking.com
221.12.132.166	A	mail.gopherking.net
221.12.133.23	A	jd0572.com
221.12.133.82	A	0572j.com
221.12.133.82	A	mail.trimax-china.com
221.12.133.82	A	trimax-china.com
221.12.133.112	PTR	mail.studyez.com
221.12.134.92	A	mail.nxyey.com
221.12.135.179	A	cxaee.com
221.12.135.186	A	cxgd.online
221.12.137.207	A	qz-map.com
221.12.137.229	A	qzctrj.com
221.12.138.29	A	www.btxtape.com
221.12.138.29	A	btxtape.com
221.12.138.29	A	vipic.cn
221.12.138.68	A	www.qzcnc.net
221.12.138.88	A	xn--vuqz1pjtb16mdss913e.cn
221.12.138.88	A	mail.zhanyu.com.cn
221.12.138.88	A	lycatv.com
221.12.138.100	A	*.21qz.com.cn
221.12.138.106	A	www.qzmzj.gov.cn
221.12.138.107	A	daquw.com
221.12.138.130	A	cnc.gslb.21js.com
221.12.138.130	A	4968811.com
221.12.138.135	A	*.sunsign.biz
221.12.138.138	A	mail.21js.com
221.12.138.140	A	www.zb555.com
221.12.138.140	A	shenda-electric.com
221.12.138.160	A	www.jssyxx.com
221.12.138.169	A	jsjjx.com
221.12.138.171	A	www.uniwin.cc
221.12.138.173	A	jsdasz.com
221.12.138.200	A	cscatv.com
221.12.138.200	A	www.cscatv.com
221.12.139.26	A+PTR	qzdns2.zjnetcom.com
221.12.139.26	A	ns.qz828.com
221.12.139.26	A	ns1.21qz.com.cn
221.12.139.107	A	widehigh.cn
221.12.139.158	A	widehigh.cn
221.12.139.158	A	www.widehigh.cc
221.12.139.158	A	widehigh-kj.com
221.12.139.170	A	qzgjj.gov.cn
221.12.139.170	A	mail.qzgjj.gov.cn
221.12.140.194	A	z.52pk.com
221.12.140.194	A	wx-casting.com
221.12.140.194	A	read.huabian.com.verycdn.net
221.12.141.194	A+PTR	qzdns1.zjnetcom.com
221.12.141.194	A	ns.21qz.com.cn
221.12.141.212	A	mail.jhnyhj.com
221.12.142.162	A	mail.saibang.com
221.12.142.194	A	www.zb555.com
221.12.142.194	A	shenda-electric.com
221.12.142.194	A	mx.zb555.com
221.12.142.250	A	quzhou.cyberpolice.cn
221.12.145.26	A	ruipujingmi.com
221.12.145.26	A	ruipt.com
221.12.145.26	A	www.zjqingshan.cn
221.12.146.115	A	ucmai.com
221.12.146.115	A	www.ucmai.com
221.12.146.115	A	*.ucmai.com
221.12.147.70	A	qtznyc.com
221.12.147.72	A	lsunicom.com
221.12.147.72	A	3gclub.org
221.12.147.72	A	lsunicom.cn
221.12.150.28	A	emspw.com
221.12.150.60	A	syxsyxx.com
221.12.150.122	A	mail.smvb.cn
221.12.150.122	A	ns1.lspost.cn
221.12.150.122	A	mail.lspost.cn
221.12.150.148	A	ns3.cnnice.com
221.12.150.158	A	mailgate02.cnnice.com
221.12.151.162	A	syckaf.com
221.12.152.64	PTR	221-12-152-64.zjnetcom.com
221.12.152.67	PTR	221-12-152-67.zjnetcom.com
221.12.152.96	PTR	221-12-152-96.zjnetcom.com
221.12.152.192	PTR	221-12-152-192.zjnetcom.com
221.12.152.193	PTR	221-12-152-193.zjnetcom.com
221.12.152.194	PTR	221-12-152-194.zjnetcom.com
221.12.152.224	PTR	221-12-152-224.zjnetcom.com
221.12.153.78	A	zseteng.com
221.12.154.70	A	ns.zjgjhy.cn
221.12.154.154	A	zhenghesy.com
221.12.154.235	A	leidatech.com
221.12.154.235	A	bigradium.com
221.12.154.238	A	mails.2680819.com
221.12.154.238	A	mails.dhmz.gov.cn
221.12.156.35	A	mail.shiminka.com
221.12.156.194	A	zswater.com
221.12.156.194	A	mail.zswater.com
221.12.156.228	A	dns3.cn93.com