Robtex

Up: 211.42.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 211.42.0.0/17
Down right: 211.42.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.42.8.144	A	mail.segiit.com
211.42.13.161	A	ems.kiscon.net
211.42.13.194	A	www.kiscon.net
211.42.13.194	A	kiscon.net
211.42.13.199	A	cws.kiscon.net
211.42.16.10	A	www.junggu.seoul.kr
211.42.16.10	A	ns2.junggu.seoul.kr
211.42.16.10	A	tour.junggu.seoul.kr
211.42.16.52	A	www.junggu.seoul.kr
211.42.16.52	A	tour.junggu.seoul.kr
211.42.16.63	A	ns2.junggu.seoul.kr
211.42.31.11	A	mailx.kocca.kr
211.42.31.11	A	mail.kbi.re.kr
211.42.31.11	A	mailx.kocca.or.kr
211.42.35.59	A	jd.ubiqos.co.kr
211.42.44.10	A	kama.go.kr
211.42.44.21	A	amo.kma.go.kr
211.42.44.21	A	kma-awo.go.kr
211.42.44.21	A	amo.go.kr
211.42.49.49	A	xhb211.com
211.42.72.10	A	ns.globalkoreamarket.go.kr
211.42.72.10	A	ns.sarok.go.kr
211.42.72.10	A	ns.pps.go.kr
211.42.75.10	A	applet.g2b.go.kr
211.42.81.7	PTR	mail.kores.kr
211.42.81.7	A+PTR	mail.kores.or.kr
211.42.81.8	A+PTR	kmrgis.kr
211.42.81.8	A+PTR	kmrgis.net
211.42.81.8	A+PTR	kmrgis.or.kr
211.42.82.158	A	mail2.kores.or.kr
211.42.85.170	A	exms.g2b.go.kr
211.42.85.240	A	shopping.g2b.go.kr
211.42.85.240	A	g2b.kr
211.42.85.240	A	g2b.go.kr
211.42.87.80	A	boryeong-atc.com
211.42.87.80	A	djatc.or.kr
211.42.87.80	A	cnnongup.net
211.42.94.1	A	ns.chungnang.seoul.kr
211.42.94.4	A	manifesto.jn.go.kr
211.42.94.4	A	mail.chungnang.seoul.kr
211.42.94.23	A	jungnang.seoul.kr
211.42.98.7	A	mail.landmuseum.co.kr
211.42.98.10	A	smtp.lh.or.kr
211.42.98.10	A	smtp.lplus.or.kr
211.42.98.11	A	mail.lh.or.kr
211.42.100.143	A	oworld.kr
211.42.100.144	A	mail.dcco.kr
211.42.137.145	A	i-run.co.kr
211.42.150.237	A	mail.bebelog.co.kr
211.42.151.155	A	vomars.com
211.42.151.181	A	www.ollehmap.com
211.42.151.181	A	apistore.co.kr
211.42.154.45	A	yiqizhao.net
211.42.168.8	A	ycs.or.kr
211.42.168.10	A	inetserver2.yangcheon.go.kr
211.42.168.11	A	newweb_2.yangcheon.go.kr
211.42.168.11	A	inetserver.yangcheon.go.kr
211.42.172.2	A	ns.actsoft.co.kr
211.42.172.2	A	mail.getogold.co.kr
211.42.172.41	A	pushmqtt2.busanbank.co.kr
211.42.172.117	A	ebank.busanbank.co.kr
211.42.188.116	A	www.dream-ing.co.kr
211.42.188.121	A	igunica.com
211.42.188.196	A	maranatha.co.kr
211.42.188.196	A	www.maranatha.co.kr
211.42.190.12	A	88888aa.com
211.42.190.15	A	798f.com
211.42.190.15	A	www.798f.com
211.42.190.15	A	ucgg77.com
211.42.194.1	A	ns.hanbulbeaute.com
211.42.194.1	A	ns.sipan.co.kr
211.42.194.1	A	ns.itsskin.com
211.42.194.10	A	hanbul.co.kr
211.42.195.4	A	gw.hanbulbeaute.com
211.42.195.4	A	gw.itsskin.com
211.42.195.5	A	mail.gw.hanbul.co.kr
211.42.195.5	A	mail.itsskin.co.kr
211.42.196.213	A	csacosmic.synology.me
211.42.196.213	A	www.csacosmic.synology.me
211.42.196.214	A	www.csaf1.synology.me
211.42.196.214	A	csaf1.synology.me
211.42.197.204	A	aircleanq.com
211.42.197.204	A	puriever.com
211.42.197.204	A	coin-ever.com
211.42.199.1	A	haenggan.com
211.42.199.200	A	www.hetawave.com
211.42.200.236	A	mail.tycc.co.kr
211.42.200.240	A	mail.myangel.co.kr
211.42.200.249	A	tycc.co.kr
211.42.200.249	A	directangel.co.kr
211.42.201.141	A	unimocnc.co.kr
211.42.201.142	A	mail.unimocnc.co.kr
211.42.202.167	A	xn--oh5bh54khzd.net
211.42.202.167	A	xn--oh5bh54khzd.com
211.42.211.175	A	vpn.ktboil.com
211.42.214.122	A	mail.mkcargo.co.kr
211.42.214.122	A	mail.jejuaircargo.net
211.42.214.122	A	mail.wbas.co.kr
211.42.231.188	PTR	inance.net
211.42.231.188	PTR	ftp.inance.com
211.42.231.188	PTR	ftp.inance.net
211.42.235.18	PTR	pinepeople.com
211.42.235.18	PTR	onenet.to
211.42.235.18	PTR	mail.pinepeople.com
211.42.235.35	PTR	dsdoc.dsec.co.kr
211.42.235.36	PTR	dspas.dsec.co.kr
211.42.242.210	A	pickat.in
211.42.249.6	A	babocold.com
211.42.249.7	A	rd-www.wangzizaixian.com
211.42.249.8	A	shyyw.com
211.42.249.10	A	meilideshi.com