Robtex

Up: 211.53.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 211.53.128.0/18
Down right: 211.53.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.53.128.210	A	www.isd.co.kr
211.53.128.210	A	eyeonsec.co.kr
211.53.128.210	A	isd.co.kr
211.53.128.212	A	titan.isd.co.kr
211.53.133.2	A+PTR	webgateinc.com
211.53.133.2	A+PTR	mail.webgateinc.com
211.53.133.2	PTR	telnet.webgateinc.com
211.53.133.11	PTR	gigacity.webgateinc.com
211.53.133.11	PTR	gigacity.webgateinc.co.kr
211.53.133.11	A	ns2.webgateinc.com
211.53.134.5	PTR	mail.paseco.co.kr
211.53.135.198	A	logis21.com
211.53.151.151	A	kinspower.com
211.53.156.73	A	ns.hwelsen.net
211.53.164.130	A	telnet.dhc.co.kr
211.53.164.130	A	mail1.dhc.co.kr
211.53.164.130	A	ftp.dhc.co.kr
211.53.164.150	PTR	mail.daihancalsonic.co.kr
211.53.164.150	A+PTR	mail.dhc.co.kr
211.53.164.151	PTR	daihancalsonic.co.kr
211.53.164.151	PTR	dhc.co.kr
211.53.164.152	PTR	recruit.daihancalsonic.co.kr
211.53.164.152	PTR	recruit.dhc.co.kr
211.53.172.10	A	mbcmpp.co.kr
211.53.176.2	A+PTR	hanilcan.co.kr
211.53.176.2	A+PTR	ns.hanilcan.co.kr
211.53.176.11	A+PTR	mail.hanilcan.co.kr
211.53.176.11	A+PTR	mail.hanilgnm.co.kr
211.53.178.11	A	hydackorea.co.kr
211.53.183.190	PTR	mpegmaster.com
211.53.183.190	PTR	mpegpia.com
211.53.183.190	PTR	ftp.mpegmaster.com
211.53.202.251	A	rjefnpvdxrxgmnd.su
211.53.206.11	A+PTR	kitl.com
211.53.206.11	PTR	m.kitl.com
211.53.206.12	A	m.kitl.com
211.53.206.250	A	kitl.com
211.53.206.250	A	mail.kitl.com
211.53.206.250	A	ns.kitl.com
211.53.208.211	PTR	postf.org
211.53.208.211	PTR	m.postf.org
211.53.208.215	A	postown.net
211.53.208.215	A	www.postown.net
211.53.208.215	A	postown.co.kr
211.53.208.217	PTR	mail.postf.org
211.53.208.217	A	mail.postown.com
211.53.209.4	A	*.clubdiart.co.kr
211.53.209.4	A	clubcastle.kr
211.53.209.4	A	hanmilogistics.com
211.53.209.135	A+PTR	ren2.inempire.com
211.53.209.139	A	y2books.com
211.53.209.145	A	m2mtong.com
211.53.209.145	A	millionbeauty-global.com
211.53.210.11	A	m.menupan.com
211.53.210.14	A	forwarding.menupan.com
211.53.210.14	A	mtop1000.com
211.53.210.21	A	www.menupan.com
211.53.212.23	PTR	trustcenter.paygate.net
211.53.212.23	A	smtp.paygate.net
211.53.212.26	PTR	www.paygate.net
211.53.214.4	A	ns.marketinsight.kr
211.53.214.4	A	ns.hankyung.com
211.53.214.4	A	ns1.autotimes.co.kr
211.53.219.157	PTR	goldenlakecc.cn
211.53.219.157	PTR	goldenlakecc.com
211.53.219.157	PTR	shinhancc.com
211.53.225.15	A	laotse.mw
211.53.230.69	A	blackpass.info
211.53.232.130	PTR	maxess.co.kr
211.53.232.130	PTR	mycountry.co.kr
211.53.232.130	PTR	ftp.impactlink.co.kr
211.53.238.98	A	lgpetrochemical.com
211.53.238.98	A	lgpetrochem.com
211.53.247.134	A	mail.betman.co.kr
211.53.247.213	A	totoin.sportstoto.co.kr