Robtex

Up: 203.252.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.252.0.0/23
Down right: 203.252.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.252.0.18	A+PTR	high.lgtelecom.com
203.252.0.18	A+PTR	high.lgdacom.net
203.252.0.18	A+PTR	high.dacom.co.kr
203.252.0.81	A+PTR	gaya.bora.net
203.252.0.93	A+PTR	pohang.bora.net
203.252.0.180	A+PTR	fmcaps.lgqps.com
203.252.0.180	A+PTR	sipaps.lgqps.com
203.252.0.180	A+PTR	sipprov.lgtelecom.com
203.252.0.181	PTR	vauth.lgtelecom.com
203.252.0.181	PTR	vauth.lgdacom.net
203.252.0.205	A+PTR	mcpgfms.lgqps.com
203.252.0.205	A+PTR	evcpg.lgtelecom.com
203.252.0.205	A+PTR	evcpg.lgdacom.net
203.252.0.206	A+PTR	voipfnms.lgqps.com
203.252.0.206	PTR	voipfnms.lgtelecom.com
203.252.0.206	PTR	voipfnms.lgdacom.net
203.252.0.211	A	time.lgqps.com
203.252.0.221	A+PTR	webcert.lgqps.com
203.252.0.221	A+PTR	giga.xpeed.com
203.252.0.225	A+PTR	blog.bora.net
203.252.0.232	A+PTR	sipapstest.lgqps.com
203.252.0.233	A+PTR	hfcip.bora.net
203.252.0.233	A+PTR	vmon.bora.net
203.252.0.234	PTR	gw1.lgtelecom.com
203.252.0.234	A+PTR	gw1.dacom.net
203.252.0.234	PTR	gw1.lgdacom.net
203.252.0.241	A+PTR	tftp1.bora.net
203.252.0.242	A+PTR	tftp2.bora.net
203.252.1.111	PTR	mailsnd.chollian.net
203.252.1.111	A	mail.chollian.net
203.252.1.111	A	imap.chol.com
203.252.1.121	A+PTR	mails.chollian.net
203.252.1.122	A+PTR	mailsnd1.chollian.net
203.252.1.123	A+PTR	mailsnd2.chollian.net
203.252.1.124	A+PTR	mailsnd3.chollian.net
203.252.1.130	A	sea05.chol.com
203.252.1.138	A+PTR	mailsnd4.chollian.net
203.252.1.139	A+PTR	mailsnd5.chollian.net
203.252.1.155	PTR	mx1.simfile.com
203.252.1.155	PTR	mx2.simfile.com
203.252.1.155	PTR	mail.ygroup.kr
203.252.1.156	A	eupenepts.eugenepts.com
203.252.1.156	A	mail2.lincolnmusicschool.co.kr
203.252.1.156	A	mail2.dacommi.com
203.252.1.165	A	sea36.chol.com
203.252.2.111	A+PTR	mt-203-252-2.lgtelecom.com
203.252.2.111	A+PTR	mt-203-252-2.lgdacom.net
203.252.2.111	A+PTR	mt-203-252-2.dacom.co.kr
203.252.3.7	A	ns.chol.com
203.252.3.10	A+PTR	chol.lgtelecom.com
203.252.3.10	PTR	chollian.lgtelecom.com
203.252.3.10	A+PTR	chol.lgdacom.net
203.252.3.12	A+PTR	magicall3.lgtelecom.com
203.252.3.12	A+PTR	magicall3.lgdacom.net
203.252.3.12	A+PTR	magicall3.dacom.co.kr
203.252.3.13	PTR	magicweb.lgtelecom.com
203.252.3.13	PTR	magicweb.lgdacom.net
203.252.3.13	A+PTR	magicweb.dacom.co.kr
203.252.3.14	PTR	cast.lgtelecom.com
203.252.3.14	PTR	cast.lgdacom.net
203.252.3.14	PTR	cast.dacom.co.kr
203.252.3.20	A+PTR	realppp3.lgtelecom.com
203.252.3.20	A+PTR	realppp3.lgdacom.net
203.252.3.20	PTR	realppp3.dacom.co.kr
203.252.3.22	A+PTR	mailx.lgtelecom.com
203.252.3.22	PTR	mailx.lgdacom.net
203.252.3.22	A+PTR	mailx.dacom.co.kr
203.252.3.30	A+PTR	magicall9.lgtelecom.com
203.252.3.30	A+PTR	magicall9.lgdacom.net
203.252.3.30	A+PTR	magicall9.dacom.co.kr
203.252.3.39	A+PTR	ldap.lgtelecom.com
203.252.3.39	A+PTR	ldap.lgdacom.net
203.252.3.39	A+PTR	ldap.dacom.co.kr
203.252.3.40	A+PTR	realppp1.lgtelecom.com
203.252.3.40	A+PTR	realppp1.lgdacom.net
203.252.3.40	A+PTR	realppp1.dacom.co.kr
203.252.3.41	PTR	realppp2.lgtelecom.com
203.252.3.41	PTR	realppp2.lgdacom.net
203.252.3.41	PTR	realppp2.dacom.co.kr
203.252.3.50	A	login.chol.com
203.252.3.51	A	login.chol.com
203.252.3.60	A	chollian.co.kr
203.252.3.60	A	www.chol.com
203.252.3.60	A	coolpy.com
203.252.3.68	A+PTR	mailx2.lgtelecom.com
203.252.3.68	A+PTR	mailx2.lgdacom.net
203.252.3.68	A+PTR	mailx2.dacom.co.kr
203.252.3.72	A+PTR	pop1.lgtelecom.com
203.252.3.72	A+PTR	pop1.lgdacom.net
203.252.3.72	A+PTR	pop1.dacom.co.kr
203.252.3.73	A	pop2.lgdacom.net
203.252.3.75	PTR	mailx3.lgtelecom.com
203.252.3.75	PTR	mailx3.lgdacom.net
203.252.3.75	PTR	mailx3.dacom.co.kr
203.252.3.90	A	mns1.coolpy.com
203.252.3.90	A	chollian.net
203.252.3.90	A	www.coolpy.com
203.252.3.102	A	movie.chollian.net
203.252.3.102	A	nspe1.chollian.net
203.252.3.102	A	help.chollian.net
203.252.3.229	A	mailhub.chollian.net
203.252.3.231	A	mail.simmani.com
203.252.3.232	A	mailhub1.chollian.net
203.252.3.233	A	mailhub2.chollian.net
203.252.3.234	A	mailhub3.chollian.net