Robtex

Up: 210.207.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 210.207.128.0/18
Down right: 210.207.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.207.129.207	A	ns2.sundosoft.com
210.207.129.207	A	ns.sundosoft.com
210.207.129.207	A	ns2.cubes.net
210.207.146.132	A+PTR	mail.wizit.co.kr
210.207.152.2	A	xn--bj0b069bona.net
210.207.152.2	A	haepssal.com
210.207.152.2	A	*.xn--910bv4q91eo9frtaf8zwri.com
210.207.152.3	PTR	mail.mirrtech.com
210.207.164.242	A	ecolandjeju.co.kr
210.207.164.242	A	ecolandjeju.com
210.207.164.242	A	www.ecolandjeju.co.kr
210.207.166.141	A	ns.hyunjin.com
210.207.166.141	A	ns.hyunjin.co.kr
210.207.166.150	A	mail.hyunjin.co.kr
210.207.166.152	PTR	hyunjin.com
210.207.166.152	A	hyunjin.co.kr
210.207.175.77	A	aiki.haengbok.com
210.207.177.114	A	ns1.bitchansoft.com
210.207.177.114	A	bitchansoft.com
210.207.177.133	A	jujucafe.com
210.207.177.133	A	*.jujucafe.com
210.207.177.133	A	postmaster.jujucafe.com
210.207.177.168	A	comingsoft.com
210.207.178.178	A+PTR	mail.hyunwoopcb.com
210.207.178.178	A	gw.hyunwoopcb.com
210.207.184.2	A	ns.jk.ac.kr
210.207.184.2	A	ns.kijeon.ac.kr
210.207.184.7	A	ns2.jk.ac.kr
210.207.184.7	A	ns2.kijeon.ac.kr
210.207.184.199	A	kijeon.ac.kr
210.207.184.199	A	web.kijeon.ac.kr
210.207.184.199	A	web.jk.ac.kr
210.207.193.1	A	ns.keca.or.kr
210.207.193.2	A	keca.kr
210.207.193.2	A	keca.or.kr
210.207.193.3	A	webmail.keca.kr
210.207.195.31	A	mail1.signkorea.co.kr
210.207.195.68	A	ns.signkorea.com
210.207.195.68	A	ns.signkorea.co.kr
210.207.195.68	A	ns.signkorea.net
210.207.195.131	A	www.signkorea.com
210.207.195.131	A	mail.signkorea.com
210.207.195.131	A	mail.signkorea.net
210.207.195.132	A	mail1.signkorea.co.kr
210.207.197.4	A	m.haengbok.com
210.207.197.4	A	poll.sbdc.co.kr
210.207.197.4	A	www.ihappy.co.kr
210.207.198.235	A	stc365.com
210.207.216.110	A	gwmail.dohwa.co.kr
210.207.216.181	A+PTR	mail.dohwa.co.kr
210.207.216.200	A	www.dohwa.co.kr
210.207.216.201	A	dohwa.co.kr
210.207.216.201	A	ns.dohwa.co.kr
210.207.216.202	A	dohwa.co.kr
210.207.217.5	A	idsd.co.kr
210.207.217.7	A	mail.idsd.co.kr
210.207.222.248	A	spam.jdcc.co.kr
210.207.222.249	PTR	gw.dwdcc.co.kr
210.207.222.249	A+PTR	dwdcc.co.kr
210.207.222.249	PTR	m.dwdcc.co.kr
210.207.226.30	PTR	theleadcorp.com
210.207.226.30	A+PTR	xn--hy1b74gi9wogf.com
210.207.226.30	PTR	xn--hy1b74gi9wogf.kr
210.207.232.11	A	nextcodi.com
210.207.232.11	A	www.nextcodi.com
210.207.232.13	A	sovill.com
210.207.232.18	A	cabledr.co.kr
210.207.236.2	A	ns.connector.co.kr
210.207.236.2	A	ns.genoptics.co.kr
210.207.236.2	A	ns.genoptics.com
210.207.236.31	PTR	mail.ket.com
210.207.236.31	PTR	smtp.ket.com
210.207.236.32	PTR	nmail.ket.com
210.207.244.10	A+PTR	ftp.kobus.co.kr
210.207.244.10	A+PTR	telnet.kobus.co.kr
210.207.244.20	A+PTR	m.kobus.co.kr
210.207.244.30	A+PTR	mail.kobus.co.kr
210.207.245.13	A	hcm.me
210.207.246.253	A	hdel.co.kr
210.207.249.100	PTR	mahasystem.com
210.207.249.100	PTR	mail.mahasystem.com
210.207.249.100	PTR	mahasystem.co.kr
210.207.249.194	PTR	ccec.co.kr
210.207.249.194	PTR	mail.ccec.co.kr
210.207.251.66	PTR	plumb-line.com
210.207.251.66	PTR	mail.plumb-line.com
210.207.251.127	A	phebe.co.kr
210.207.251.127	A	mail.phebe.co.kr
210.207.251.251	A	geons.geomind.co.kr
210.207.251.253	A+PTR	mail.playwith.co.kr