Robtex

Up: 210.90.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 210.90.0.0/18
Down right: 210.90.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.90.0.1	A+PTR	gwangjin.go.kr
210.90.0.1	A	www.gwangjin.go.kr
210.90.0.6	PTR	mail.gwangjin.go.kr
210.90.0.36	A	gbc.go.kr
210.90.0.43	A	gwangjin.eminwon.seoul.kr
210.90.7.1	A+PTR	www.kdic.or.kr
210.90.7.1	A	ns.kdic.or.kr
210.90.7.1	A	kdic.or.kr
210.90.7.2	A+PTR	m.kdic.or.kr
210.90.7.3	PTR	webmail.kdic.or.kr
210.90.7.4	PTR	dprs.kdic.or.kr
210.90.7.215	A	vpn.kdic.or.kr
210.90.8.145	A	koreapostasset.go.kr
210.90.8.145	A	kpasset.go.kr
210.90.8.145	A	mail.kpasset.go.kr
210.90.8.170	PTR	epostbank.co.kr
210.90.8.188	PTR	mail.epostbank.go.kr
210.90.10.2	A	seongbuk.seongbuk.go.kr
210.90.10.2	A	ns1.sbc.go.kr
210.90.10.5	A	mail.eseongbuk.kr
210.90.10.5	A	eseongbuk.kr
210.90.12.130	A	kidspia.or.kr
210.90.12.130	A	www.aicorea.net
210.90.12.130	A	hcaaward.org
210.90.12.145	A	www.aicorea.net
210.90.12.145	A	aicorea.com
210.90.16.74	A	root.mvwiz.net
210.90.16.74	A	mail.kwzf.net
210.90.16.74	A	root.mvwiz.com
210.90.18.163	A	munsilk.iptime.org
210.90.27.106	A	ggse.goe.go.kr
210.90.29.1	PTR	cycle.cyclerace.or.kr
210.90.29.1	A	cyclerace.or.kr
210.90.29.1	A	ns.cyclerace.or.kr
210.90.29.4	A	cycle.cyclerace.or.kr
210.90.29.9	A	www.kcycle.or.kr
210.90.31.3	A	cpb-dns.cpb.or.kr
210.90.31.3	A	cpb-dns.kca.go.kr
210.90.33.43	PTR	mail.kimst.re.kr
210.90.33.246	A	youareins.com
210.90.34.103	A	tcdis.org
210.90.35.216	A	cpb.or.kr
210.90.35.216	A	www.price.go.kr
210.90.35.216	A	tprice.go.kr
210.90.42.55	A	simmatec.com
210.90.42.55	A	www.simmatec.com
210.90.42.148	A	www.kapd.org
210.90.42.148	A	kizwell.com
210.90.42.148	A	gagahoho.net
210.90.42.198	A	starship-ent.com
210.90.46.8	A+PTR	ns3.metro.seoul.kr
210.90.46.9	A+PTR	ns4.metro.seoul.kr
210.90.46.25	PTR	hangang.seoul.kr
210.90.46.25	PTR	hanriver.seoul.kr
210.90.46.25	PTR	mail.hangang.seoul.kr
210.90.46.151	A	spam3r.metro.seoul.kr
210.90.46.195	A	wow.seoul.go.kr
210.90.46.200	A	eminwon.seoul.kr
210.90.46.200	A	www.eminwon.seoul.kr
210.90.47.144	A	mediajoongdok.com
210.90.47.144	A	youthnavi.net
210.90.47.144	A	*.ssro.net
210.90.48.1	PTR	deungwon.ms.kr
210.90.63.2	PTR	mail.changchon.es.kr
210.90.65.241	A	www.hanamsport.or.kr
210.90.65.241	A	hcdc.co.kr
210.90.65.241	A	www.huic.co.kr
210.90.67.124	A	ns4.bloodinfo.net
210.90.67.124	A	ns4.redcross.or.kr
210.90.67.243	A	osanlibrary.go.kr
210.90.67.243	A	www.osanlibrary.go.kr
210.90.70.60	A	icheonlib.go.kr
210.90.70.60	A	ns.icheonlib.go.kr
210.90.70.60	A	www.icheonlib.go.kr
210.90.72.82	A	artcru.com
210.90.72.104	A	mail.gawon12.com
210.90.72.104	A	mail.hanbangbeauty.com
210.90.72.104	A	hanbangbeauty.com
210.90.74.115	A	yjfmc.or.kr
210.90.74.116	A	www.yjfmc.or.kr
210.90.74.162	A	ns.gys.or.kr
210.90.74.188	A	www.gys.or.kr
210.90.75.130	A	gurilib.go.kr
210.90.75.130	A	www.gurilib.go.kr
210.90.78.138	A	www.shsi.or.kr
210.90.78.138	A	shsi.or.kr
210.90.78.140	A	shsi.or.kr
210.90.78.140	A	ns.shsi.or.kr
210.90.81.136	A	thunder.kidp.or.kr
210.90.81.154	A+PTR	mail.kidp.or.kr
210.90.81.154	A	mail.designdb.com
210.90.81.159	A	sendmail.kidp.or.kr
210.90.81.239	A	mail.kidp.or.kr
210.90.82.40	A	ns1.slc.or.kr
210.90.82.90	PTR	mail2.slc.or.kr
210.90.83.146	A	imla.kr
210.90.83.146	A	www.imla.kr
210.90.83.146	A	www.ylib.or.kr
210.90.90.4	A	asimc.or.kr
210.90.90.4	A	www.asimc.or.kr
210.90.90.4	A	egware.asimc.or.kr
210.90.90.11	A	www.anseongsports.or.kr
210.90.91.100	A	bcits.go.kr
210.90.91.100	A	www.bcits.go.kr
210.90.92.99	PTR	vack.co.kr
210.90.92.100	PTR	catseye.co.kr
210.90.99.2	PTR	mail.namgu.incheon.kr
210.90.101.241	PTR	intra.eri.re.kr
210.90.109.30	A	koica.go.kr
210.90.109.41	A	spam.koica.go.kr
210.90.109.86	A	email.koica.go.kr
210.90.109.88	A	www.worldfriendskorea.or.kr
210.90.120.35	A	mail.ygmc.co.kr
210.90.121.33	A	butterflyhp.or.kr
210.90.123.219	A	sclibrary.or.kr
210.90.123.219	A	www.sclibrary.or.kr
210.90.123.219	A	scml.or.kr