Robtex

Up: 121.12.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 121.12.128.0/22
Down right: 121.12.132.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.12.128.2	A	www.gd-hd.com
121.12.128.2	A	dggpsw.com
121.12.128.2	A	sehrinpastacisi.com
121.12.128.6	PTR	mail.dgmq.com
121.12.128.8	A	fax400800.net
121.12.128.9	A	dggpsw.cn
121.12.128.12	A	ns1.hongdatelecom.cn
121.12.128.33	A	*.baixi.org
121.12.128.33	A	www.baixi.org
121.12.128.41	PTR	luckyharvest.com
121.12.128.41	A	mx.luckyharvest.com
121.12.128.45	A	redrain0769.com
121.12.128.58	A	gdhdtx.com
121.12.128.58	A	www.hdtx.net
121.12.128.60	A	mail.gcwl.net
121.12.128.155	PTR	mail.haikuasia.com
121.12.128.155	A	haikuasia.com
121.12.128.206	A	mx0.internetanbieter-vergleich.net
121.12.128.210	A	stellafootwear.com.cn
121.12.128.219	A	www.stellafootwear.com.cn
121.12.128.219	A	xn--e6qy41c.com
121.12.129.6	A	anamd.com
121.12.129.6	A	mail.anamd.com
121.12.129.80	A	chunpin.online
121.12.129.163	A	antispam.kinyet.com
121.12.129.164	A	mail.kinyet.com
121.12.129.190	A	www.kinyet.com
121.12.129.190	A	kinyet.com
121.12.129.198	A	cname.cnce.asia.sangfordns.com
121.12.129.198	A	cnce.asia
121.12.129.219	A	cyggonon.com
121.12.129.219	A	xn--pss635by8d1q0b.cn
121.12.129.219	A	gaoneng.com
121.12.129.220	A	mx.cyggonon.com
121.12.129.242	A+PTR	mail.binhao.com
121.12.129.243	A	mail.sh119.com
121.12.129.243	A	sh119.com
121.12.129.250	A	ns3.cortina.com.tw
121.12.129.250	A	ns3.ucortina.com.tw
121.12.130.37	A+PTR	smtpdg.tymphany.com
121.12.130.38	A	mail.tymphany.com
121.12.130.42	A	ns2.tymphany.com
121.12.130.170	A	yaohuidg.com
121.12.130.170	A	mx.yaohuidg.com
121.12.130.195	A	mail.tailg.com.cn
121.12.130.203	A	hmyouth.gd.cn
121.12.131.28	PTR	mail.debfl.com
121.12.131.28	A	fjxianyi.com
121.12.131.28	A	debfl.com
121.12.131.237	A	dyygs.com
121.12.131.237	A	www.dyygs.com
121.12.132.6	A	98-china.com
121.12.132.11	A	mail.g-shun.com
121.12.132.11	A	g-shun.com
121.12.132.11	A	bqse.com.cn
121.12.135.68	A	mail.e-waynet.com.cn