Robtex

Up: 220.231.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 220.231.16.0/21
Down right: 220.231.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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
220.231.20.55	A	cnljxh.org
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
220.231.20.242	A	www.21eqoe.com
220.231.20.242	A	21eqoe.com
220.231.20.242	A	zhaofengedu.com
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