Robtex

Up: 220.231.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 220.231.0.0/20
Down right: 220.231.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.231.1.6	PTR	mg1.founder.com
220.231.1.6	PTR	smtp.founder.com
220.231.1.208	A	mail.heshengda.com
220.231.1.208	A	www.heshengda.com
220.231.1.209	A	bakersbayforsale.com
220.231.1.209	A	twinhill.org
220.231.2.20	A	mail.feinno.com
220.231.2.137	A	qianren.com
220.231.2.138	A	www.qianren.com
220.231.2.155	A	fjpph.cn
220.231.2.155	A	mail.fjpph.com
220.231.2.174	PTR	caanet.org.cn
220.231.2.241	A	ilc.hk.cn
220.231.3.132	A	bjcaifu.com
220.231.3.136	A	mail.fuhotels.com
220.231.3.138	A	shouda.com.cn
220.231.3.139	A	mail.pkustar.com
220.231.3.227	A	cenxo.com
220.231.4.168	A+PTR	mail.gsrventures.cn
220.231.4.168	A	061666284.700niu.com
220.231.4.168	A	gsrventures.cn
220.231.6.195	A	ns1.officedepot.com.cn
220.231.7.244	A	cscec1bzcb.com
220.231.7.246	A	cscec1bzcb.net
220.231.8.2	A	4k5.com
220.231.8.2	A	huanbaocheng.com
220.231.8.43	A	8ddy.com
220.231.8.51	A	verymi.com
220.231.8.51	A	mail.gxpinge.com
220.231.8.98	A	sanypart.com
220.231.8.98	A	sanyhe.com
220.231.8.98	A	sanyzz.com
220.231.8.105	A	strang.cn
220.231.8.114	A	sanypart.com
220.231.8.132	A	g3saas.com
220.231.8.142	A	haiyanwoodworking.com
220.231.8.152	A	td-forum.org
220.231.8.152	A	wpfor.me
220.231.8.170	A	mail.sy30.com
220.231.8.170	A	hellobeijing.com.cn
220.231.8.170	A	gtcart.com
220.231.8.182	A	mail.gywh.net
220.231.8.205	A	strang.cn
220.231.8.253	A	mail.ccoss.com
220.231.8.253	A	mail.mywrong.com
220.231.8.253	A	mail.tjce.com
220.231.9.23	A	bjeetc.org
220.231.9.51	A	mail.ippr.net
220.231.9.57	A	dongfangsuo.com.cn
220.231.9.102	A	91ticket.com
220.231.9.102	A	www.91ticket.com
220.231.9.103	A	casoa.cn
220.231.9.182	PTR	mail.junzejun.com
220.231.10.229	A	mail.yameitime.com
220.231.11.4	PTR	chnstone.com.cn
220.231.11.138	A	sztiangui.com
220.231.11.153	A	www.zptest.com
220.231.11.153	A	hostmaster.zptest.com
220.231.11.153	A	*.zptest.com
220.231.11.171	A	dnstest1.sinnet.com.cn
220.231.11.249	A	unspsc.cn
220.231.11.251	A	gs1china.org
220.231.12.100	A	zhuizhu.com
220.231.12.100	A	www.zhuizhu.com
220.231.13.9	A	www.liebes.net
220.231.13.86	A	xn--95q38klyb.cn
220.231.13.86	A	xn--95q38klyb.com
220.231.13.86	A	xn--h5qx5n0ym.com
220.231.13.98	A	ktbleasing.com
220.231.13.98	A	syaasbrid.com
220.231.13.98	A	word.com.tv
220.231.13.133	A	ecube.vandagroup.cn
220.231.13.137	PTR	mail.vandagroup.com.cn
220.231.13.139	A	gdzc.vandagroup.cn
220.231.13.165	PTR	abuse.vandagroup.com.cn
220.231.13.212	A	xingxingworld.com
220.231.13.212	A	spewx.com
220.231.13.213	A	rxgda.com
220.231.13.213	A	www.rxgda.com
220.231.14.154	A	www.juzi521.com
220.231.14.154	A	juzi521.com
220.231.15.2	A	mail.coallib.com
220.231.15.4	A	mail.coalinfo.net.cn
220.231.15.4	A	www.coalinfo.net.cn
220.231.15.27	A	www.cciph.com.cn
220.231.15.73	A	safetytech.org.cn
220.231.15.76	A	niosh.org.cn
220.231.15.76	A	www.niosh.org.cn
220.231.15.110	A	coallib.com
220.231.15.110	A	*.playes.net
220.231.15.110	A	www.coallib.com
220.231.15.132	A	mail.pubchn.com
220.231.15.133	PTR	mail.sequoiacap.cn
220.231.15.133	PTR	www.sequoiacap.cn
220.231.15.203	PTR	mail.ancc.org.cn
220.231.15.209	A	anccbcco.com
220.231.16.2	PTR	car.sinnet.com.cn
220.231.16.114	A+PTR	dns.sinnet.com.cn
220.231.16.116	PTR	sinnet.com.cn
220.231.16.116	A+PTR	mail.ghyun.com.cn
220.231.16.116	A+PTR	mail.sinnet.com.cn
220.231.16.122	PTR	www.sinnet.com.cn
220.231.17.98	A+PTR	mail.gicom.com.cn
220.231.18.11	PTR	mail.bnvs.cn
220.231.18.36	A	mail.pvachina.com
220.231.18.66	A	mail.cettic.gov.cn
220.231.18.84	A	cettic.cn
220.231.18.84	A	www.cettic.cn
220.231.18.203	A	bjpc.org.cn
220.231.19.18	A	jinxixin.com
220.231.20.17	PTR	mail.lenovots.com
220.231.20.39	A	openview.sinnet.com.cn
220.231.20.53	A	gallery.com.cn
220.231.20.53	A	turandot.cn
220.231.20.55	A	cnljxh.com
220.231.20.75	PTR	ns1.17888.com
220.231.20.75	PTR	ns1.yellowsheepriver.com
220.231.20.126	A	sagee.com
220.231.20.146	A	lushu.cn
220.231.20.146	A	ecar.cn
220.231.20.158	A	wired-china.com
220.231.20.227	A	ghxwicp.com
220.231.20.227	A	www.ghxwicp.com
220.231.20.236	A	mail.zzlawyer.org
220.231.20.236	A	mail.ylsldy.cn
220.231.21.23	A	ucarbar.com
220.231.21.221	A	sh-ticket.com
220.231.21.234	A	zukongtiao.com
220.231.21.236	A	teanxin.net
220.231.22.34	A+PTR	www.giwp.org.cn
220.231.22.35	A+PTR	mail.giwp.org.cn
220.231.22.47	A	www.ghsj.org
220.231.22.105	A	www.chemweek.com.cn
220.231.22.105	A	chemweek.com.cn
220.231.22.105	A	mail.chemweek.com.cn
220.231.22.106	A	chemweek.com.cn
220.231.22.106	A	mail.chemweek.com.cn
220.231.22.168	A	mail.tongrentangjk.com.cn
220.231.23.83	A	mail.ssba.com.cn
220.231.23.211	A	mail.teleperformance.cn
220.231.23.212	A	mail.teleperformance.net.cn
220.231.24.5	A	bjxcfd.com
220.231.24.194	A	mx.bj1421.com
220.231.24.194	A	remote.1421.consulting
220.231.24.194	A	webmail.1421.consulting
220.231.25.100	A	jiahengzhiye.com
220.231.26.83	A	allness.org
220.231.27.62	A	ccqsc.gov.cn
220.231.27.203	A	www.chec.cn
220.231.27.203	A	chec.cn
220.231.27.206	A+PTR	mail.chec.cn
220.231.27.206	PTR	mail.chec.com.cn
220.231.28.189	PTR	www.flashedm.com
220.231.30.38	A	mail.cstinc.com.cn
220.231.30.146	A	cfgcl.com.cn
220.231.31.163	A	zhonghuae.com