Robtex

Up: 221.5.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 221.5.0.0/18
Down right: 221.5.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.5.1.170	A	sttdcb.com
221.5.1.170	A	gdstjcy.com
221.5.1.170	A	www.sttbzx.com
221.5.2.98	A	mail.788ban.cn
221.5.2.98	A	81gz.cn
221.5.2.98	A	xn--w8t381i.cn
221.5.2.138	A	stgmlg.com
221.5.2.147	A	chinacloudapp.org
221.5.2.149	A	ts0122.a.cloudex.net
221.5.4.2	A	www.paiyi.net
221.5.4.2	A	paiyi.net
221.5.4.42	A	www.fdkj.net
221.5.4.52	A	mail.dayangcarpet.cn
221.5.4.201	A	4jinet.com
221.5.4.207	A	lib.stu.edu.cn
221.5.5.5	A	www.chexinhui.com
221.5.5.253	A	kingkaratebrn.org
221.5.5.253	A	blog.xjxhd.cn
221.5.5.253	A	*.wyrmgames.com
221.5.6.66	A	xmgzxt.com
221.5.6.66	A	nbgzxt.com
221.5.6.66	A	xtgzxt.com
221.5.7.66	A	chj.me
221.5.7.170	A	td123.com.cn
221.5.7.172	A	sjyszq.com
221.5.7.172	A	stgxcy.com
221.5.7.172	A	bbs.sjyszq.com
221.5.8.66	A	hbkangtai.cn
221.5.8.66	A	hbkangtai.com.cn
221.5.8.79	A	tyrechina.net
221.5.8.79	A	yyok.com
221.5.8.155	A	app-3g.com
221.5.8.173	A	zhonglieci.com
221.5.8.202	A	dvsky.cn
221.5.9.130	A	stxnzls.com
221.5.9.155	A	telphone.cn
221.5.9.234	A	eshow99.com
221.5.9.254	A	fulnero.com
221.5.10.164	A	www.cecc-china.net
221.5.10.164	A	cecc-china.com.cn
221.5.10.164	A	cecc-china.net
221.5.11.116	A	stcatv.cn
221.5.11.162	A	unicomst.com
221.5.11.162	A	10010754.com
221.5.11.162	A	www.unicomst.com
221.5.11.182	A	stnxw.cn
221.5.34.99	A	56.com
221.5.37.134	A	ltlqa.com
221.5.37.135	A	newera-digital.com
221.5.37.145	A	d12.txj123.net
221.5.37.145	A	dgjinzhen.com
221.5.39.138	A	*.3753.com
221.5.40.78	A	bjjob.org
221.5.40.78	A	ccshouji.com
221.5.40.78	A	www.hengshengbank.com
221.5.41.15	A	mail.fenghuajinxiu.com
221.5.41.15	A	shuao.net
221.5.41.15	A	fenghuajinxiu.com
221.5.41.18	A	icpcn.net
221.5.43.45	A	shangwangben.cn
221.5.43.100	A	aiysm.com
221.5.43.111	A	chinaitlab.com
221.5.43.142	A	bbs.cnzzz.com
221.5.43.180	A	888rj.com
221.5.44.30	A	www.haonanren.cm.w.kunlunca.com
221.5.45.59	A	www.ads8.com
221.5.45.75	A	www.xiaohulu.com
221.5.45.75	A	xiaohulu.com
221.5.45.104	A	m.ask.99.com.cn
221.5.45.137	A	ns10.qydns18.com
221.5.45.247	A	5eaq.ttloo.com
221.5.45.247	A	5eaq.xingqi9.com
221.5.46.117	A	mini.meitu168.com.wswebpic.com
221.5.46.135	A	henduoqian.com
221.5.46.135	A	www.henduoqian.com
221.5.46.206	A	hksygm.com
221.5.46.222	A	jieha.com
221.5.47.16	A	biocome.com.cn
221.5.47.40	A	*.macdwx.com
221.5.47.40	A	mail.macdwx.com
221.5.47.41	A	www.evsoft.com.cn
221.5.48.89	A	pearpc.com
221.5.50.50	A	yc662.com
221.5.51.226	A	yjcollege.net
221.5.51.226	A	www.yjcollege.net
221.5.51.226	A	www.cnyjpt.cn
221.5.51.235	A	www.328338.net
221.5.54.34	A	33haopu.com
221.5.54.34	A	*.multimedia-konstanz.de
221.5.54.100	A	006idc.com
221.5.54.100	A	ywwsg.com
221.5.54.150	A	renym.com
221.5.54.152	A	taoyao365.com
221.5.54.176	A	leishengzs.com
221.5.54.194	A	0795ds.com
221.5.57.42	A	gdcts.org
221.5.58.169	A	autosuns.com
221.5.58.194	A	sgzgh.org
221.5.65.114	A	cbpk.cn
221.5.65.173	PTR	mail.ocular.com.cn
221.5.66.228	A	www.xuefo.net
221.5.66.229	A	mail.xuefo.com
221.5.66.229	A	big5.xuefo.net
221.5.66.229	A	putiwenhai.xuefo.net
221.5.67.12	A	mail.topdream.cn
221.5.67.12	A	topdream.cn
221.5.67.37	A	m3.chungjye.com
221.5.67.37	A	dns5.chungjye.com
221.5.71.49	A	iffsa-global.org
221.5.71.226	A	5515js.com
221.5.72.204	A	yichanglian.com
221.5.72.210	A	bdstar.net
221.5.72.221	A	bilisuyuan.com
221.5.72.243	A	svesc.com
221.5.73.137	A	vod1.lxdms.com
221.5.75.35	A	opencdncloud.jomodns.com
221.5.80.52	A	mx2.pxkd.com.cn
221.5.80.52	A	mx2.pjbest.com
221.5.81.226	A	*.gaoyao.gd.cn
221.5.81.226	A	ns.gaoyao.gd.cn
221.5.81.226	A	gdwj.com.cn
221.5.84.234	A	www.zqgx.gov.cn
221.5.84.234	A	zqgx.gov.cn
221.5.85.151	A	kingmobi.net
221.5.85.211	A	unisoso.net
221.5.85.230	A	www.crrbank.com.cn
221.5.86.44	A	94nv.com
221.5.86.51	A	www.7rc.net
221.5.86.51	A	7rc.net
221.5.87.2	A	yokiwan.com
221.5.88.88	A+PTR	cache1-gd.cnc-gd.net
221.5.88.88	A+PTR	cache2-gd.cnc-gd.net
221.5.88.88	A	jmvpn.com
221.5.92.53	A	ns3.pocosite.com
221.5.92.53	A	ns4.pocosite.com
221.5.96.7	A	xn--viqw74hy5f.com
221.5.96.22	A	foodexpochina.com
221.5.96.26	A	*.pctutu.com
221.5.96.32	A	mail.clos33t.com
221.5.96.209	A	www.9988w.com
221.5.96.209	A	9966ww.com
221.5.97.71	A	1730play.com
221.5.97.83	A	xn--mes15wn25ak1b.com
221.5.97.83	A	mail.51dingchang.com
221.5.97.84	A	xn--mes15wn25ak1b.com
221.5.97.106	A	it.job168.com
221.5.97.195	A	imiqu.com
221.5.97.226	A	weigee.net
221.5.100.193	A+PTR	hwmail.21cn.com
221.5.100.194	A+PTR	hwmail.21cn.com
221.5.100.195	A+PTR	hwmail.21cn.com
221.5.100.196	A+PTR	hwmail.21cn.com
221.5.100.220	A	wsdb.gztest.qifun.com.wsdvs.com
221.5.100.220	A	ws.gztest.qifun.com.wswebpic.com
221.5.100.220	A	ws.gztest.qifun.com
221.5.102.8	A	rolmexoa.com
221.5.103.2	A	xueliwo.com
221.5.103.84	A	bbzuche.com
221.5.103.100	A	szqiqiae.com
221.5.103.100	A	xinyidz.com
221.5.103.130	A	t-root.com.cn
221.5.103.130	A	www.t-root.com
221.5.103.130	A	roleurs.com
221.5.105.83	A	mx1.zxwcloud.com
221.5.106.13	A	13.ip.xy.com
221.5.106.187	A	quanminzhuishu.com
221.5.109.15	A	grgits.com
221.5.112.1	A	app.zsbtv.com.cn
221.5.112.2	A	zsbtv.cn
221.5.112.2	A	zsbtv.mobi
221.5.112.9	A	mail.zsbtv.cn