Robtex

Up: 121.64.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 121.66.0.0/16
Down right: 121.67.0.0/16
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.66.13.126	A	dns.corea.ac.kr
121.66.15.212	A	www.gwedu.synology.me
121.66.24.66	A	mail.human-info.com
121.66.24.67	A	human-info.com
121.66.24.69	A	ns.x-web.co.kr
121.66.24.69	A	ns2.mighty-x.com
121.66.27.130	A	gagaskin.com
121.66.29.154	A	mail.sangdo.com
121.66.29.156	A	mail.sangdo.com
121.66.35.130	A	ns1.scmtech.co.kr
121.66.35.130	A	ns2.scmtech.com
121.66.35.130	A	mail.scmtech.com
121.66.41.107	A	www.goodsw.com
121.66.45.61	A	shinnae.com
121.66.54.53	A	sypark64.com
121.66.60.28	A	www.10pple-japan.com
121.66.60.28	A	www.broadp.com
121.66.60.28	A	broadp.net
121.66.78.138	A	koreayouthmall.com
121.66.78.138	A	d-kym.com
121.66.85.234	A	www.cyphicsoft.com
121.66.85.234	A	cyphicsoft.com
121.66.85.235	A	www.cyphicsoft.com
121.66.85.235	A	cyphicsoft.com
121.66.93.157	A	open-infra.com
121.66.109.13	A	hrctp.com
121.66.126.129	A	1xbet-zerkalo-rabochee.ru
121.66.142.172	A	hsgeo.co.kr
121.66.148.141	A	tnq.co.kr
121.66.152.132	A	sigroup.co.kr
121.66.154.134	A+PTR	mail.3ss.co.kr
121.66.168.106	A	maroobms.net
121.66.168.109	A	maroomcs.net
121.66.185.227	A	www.mkcorpo.familyds.com
121.66.185.227	A	mkcorpo.familyds.com
121.66.210.179	A	cypre.co.kr
121.66.210.180	A	edist.co.kr
121.66.210.180	A	www.edist.co.kr
121.66.210.182	A	cypre.co.kr
121.66.210.182	A	ns.cypre.co.kr
121.66.228.28	A	hs2.co.kr
121.66.229.60	A	keychain.co.kr
121.66.229.60	A	www.keychain.co.kr
121.66.243.254	A	hyodosajin.com
121.66.249.77	A	cooknbake.net
121.67.0.131	A	daesung.net
121.67.0.131	A	www.daesung.net
121.67.0.131	A	daesungco.com
121.67.3.231	A	ns.ezsoft.kr
121.67.3.231	A	www.ezsoft.kr
121.67.3.231	A	ns1.ezsoft.kr
121.67.4.70	A	ns02.sjroll.co.kr
121.67.4.70	A	ns02.starion.cn
121.67.4.70	A	ns2.itrion.kr
121.67.4.74	A	www.starion.co.kr
121.67.11.139	A+PTR	mail.dongbo.com
121.67.11.139	A	ns.saehyun.com
121.67.11.139	A	dongbo.com
121.67.11.144	A+PTR	mail.dongbo.com
121.67.21.5	A	ns1.sindo.com
121.67.21.5	A	ns1.sindo.co.kr
121.67.21.5	A	ns.sindo.co.kr
121.67.22.13	A	infobuilder.co.kr
121.67.22.13	A	shcoupling.co.kr
121.67.22.13	A	khpc.co.kr
121.67.23.136	PTR	mailsvr.amoskorea.co.kr
121.67.27.201	A	www.barunson.co.kr
121.67.39.44	A	xpay.uplus.co.kr
121.67.39.48	A	pg.lgdacom.net
121.67.39.49	A	mpi2.dacom.net
121.67.39.64	A	pgweb.dacom.co.kr
121.67.44.190	A+PTR	gw.yses.kr
121.67.44.190	A	yses.kr
121.67.44.191	A	mail.yses.kr
121.67.45.145	PTR	sniper.mggenins.com
121.67.45.145	A	sniper.greenfire.co.kr
121.67.47.142	A	digitalmgt.co.kr
121.67.50.3	A	gw.apack.net
121.67.50.7	A	pds.apack.net
121.67.52.70	A	www.toprun.co.kr
121.67.52.71	A	ns1.toprun-energysolution.com
121.67.52.71	A	ns1.toprun.co.kr
121.67.52.81	A	www.toprun.co.kr
121.67.60.9	A+PTR	ekp.swei.co.kr
121.67.60.9	A	mail.swnit.com
121.67.60.9	A	mail.swpt.net
121.67.64.130	A	gw1.ecmaster.net
121.67.64.131	A	netw1.ecmaster.kr
121.67.67.17	A+PTR	gw.kodi-m.com
121.67.77.17	PTR	acqutek.co.kr
121.67.77.200	A	vkmobile.co.kr
121.67.77.207	A	mail.vkmobile.co.kr
121.67.80.130	A	bpmc.co.kr
121.67.80.133	A	bpsc.co.kr
121.67.82.131	A	netw2.ecmaster.kr
121.67.82.251	A	netw2.ecmaster.kr
121.67.84.200	A	mx2.kdbc.co.kr
121.67.84.210	A	ns1.kdbcapital.co.kr
121.67.84.210	A	ns1.kdbc.co.kr
121.67.90.2	A	www.egcorp.co.kr
121.67.90.3	A	mail.egcorp.co.kr
121.67.90.3	A	mail.egtech.co.kr
121.67.90.3	A	spam.egcorp.co.kr
121.67.98.98	A	cylib.or.kr
121.67.98.98	A	www.cylib.or.kr
121.67.128.132	A	ns2.scbooyoungcc.co.kr
121.67.128.132	A	www.scbooyoungcc.co.kr
121.67.128.132	A	ns1.scbooyoungcc.co.kr
121.67.166.1	A	truetech.info
121.67.166.1	A	mail.truetech.info
121.67.166.1	A	ns.truetech.info
121.67.166.5	A	demo.truetech.info
121.67.174.108	A	bsblue.com
121.67.176.16	A	floatech.com
121.67.176.16	A	www.floatech.cn
121.67.177.81	A+PTR	doc.pig-on.com
121.67.177.81	A	sjspf.net
121.67.181.39	A	oslab.kr
121.67.181.39	A	www.oslab.kr
121.67.187.30	A	www.kcue.or.kr
121.67.187.110	A	unvus.com
121.67.187.135	A	ns10.lsware.co.kr
121.67.187.135	A	www.lsware.com
121.67.189.2	A	mt.motonic.co.kr
121.67.189.2	A	mt.motonic.com
121.67.189.20	A	ns.motonic.co.kr
121.67.189.20	A	ns.motonic.com
121.67.189.193	PTR	mail.motonic.com
121.67.190.205	A+PTR	mail.wartsila-hyundai.com
121.67.190.222	A	sniper.wartsila-hyundai.com
121.67.190.251	A	edge.wartsila-hyundai.com
121.67.193.2	A+PTR	sqtech.net
121.67.193.50	A+PTR	mail.sqtech.net
121.67.193.50	PTR	main.sqtech.net
121.67.199.12	A+PTR	mail.newoptics.net
121.67.200.62	A	www.gle.or.kr
121.67.200.62	A	gle.or.kr
121.67.200.62	A	www.gill.or.kr
121.67.200.65	A	www.gchangeupcampus.or.kr
121.67.235.132	A	xn--ok0b75k12bn2obzhuub.com
121.67.235.132	A	xn--ok0bx1p1rhpc577bwsa.com
121.67.246.135	A	mail.myselfcloud.com
121.67.246.138	A	myselfcloud.com
121.67.246.138	A	mail2.myselfcloud.com
121.67.246.138	A	www.myselfcloud.com
121.67.253.144	A	zembinar.com