Robtex

Up: 117.53.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 117.53.96.0/20
Down right: 117.53.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
117.53.99.16	A	search2.nateimg.co.kr
117.53.99.16	A	search1.nateimg.co.kr
117.53.99.16	A	img.nate.com
117.53.101.8	A	dic.empas.com
117.53.101.8	A	estate.empas.com
117.53.101.8	A	trans.empas.com
117.53.101.13	PTR	k-daq.empas.com
117.53.101.13	PTR	kdaq.empas.com
117.53.101.13	PTR	ksi.kdaq.empas.com
117.53.103.14	A+PTR	ig.emimg.com
117.53.103.152	A	news.hanafos.com
117.53.103.152	A	imap4.hanafos.com
117.53.103.152	A	mbox05.hanafos.com
117.53.105.12	PTR	tail_empal.empas.com
117.53.105.12	PTR	www.empas.com
117.53.105.13	A+PTR	ac.kdaq.empas.com
117.53.105.13	A+PTR	ac.search.empas.com
117.53.105.13	A	nac.nate.com
117.53.105.14	PTR	pkwd.empas.com
117.53.105.14	A+PTR	rkwd.empas.com
117.53.106.11	PTR	hanatv.empas.com
117.53.106.11	A+PTR	search.empas.com
117.53.106.11	A+PTR	asp.search.empas.com
117.53.106.32	A+PTR	cci1.emimg.com
117.53.106.33	A+PTR	cci2.emimg.com
117.53.106.33	PTR	tx1.gamenara.com
117.53.106.34	PTR	cng.emimg.com
117.53.106.34	PTR	esi.emimg.com
117.53.106.34	A	emimg.com
117.53.106.35	PTR	idea.empas.com
117.53.106.35	PTR	beta.dir.empas.com
117.53.106.35	PTR	cyworld.dir.empas.com
117.53.107.11	PTR	packages.empas.com
117.53.107.11	A+PTR	yum.empas.com
117.53.107.11	A+PTR	yum2.empas.com
117.53.108.19	A	aw.search.nate.com
117.53.108.20	A	nb.nate.search.empas.com
117.53.108.20	A	news.search.nate.com
117.53.108.20	A	nate.search.empas.com
117.53.109.82	PTR	ruliweb2.empas.com
117.53.109.97	A+PTR	ruliwebimg.empas.com
117.53.112.17	A	dkwadv.nate.com
117.53.112.17	A	nkwadv.nate.com
117.53.112.17	A	dkwaduc.nate.com
117.53.112.18	A	oasis.nate.com
117.53.114.12	A	mail3.nate.com
117.53.114.12	A	pcmail.nate.com
117.53.114.12	A	natemail.nate.com
117.53.114.13	A	pop3.nate.com
117.53.114.15	PTR	smtp.cyworld.com
117.53.114.15	PTR	mx1.empal.com
117.53.114.15	PTR	smtp.nate.com
117.53.114.59	A	maildown3.nate.com
117.53.114.60	A	maildown4.nate.com
117.53.114.131	A+PTR	mailtx1.nate.com
117.53.114.133	A+PTR	mailtx3.nate.com
117.53.114.148	A	mailtx5.nate.com
117.53.114.171	A+PTR	mailmtx1.nate.com
117.53.114.172	A+PTR	mailmtx2.nate.com
117.53.114.173	A+PTR	mailmtx3.nate.com
117.53.114.199	A+PTR	mailtx9.nate.com
117.53.114.228	A	maildown7.nate.com
117.53.115.16	A	mail2.nate.com
117.53.115.16	A	lipsthree.com
117.53.116.15	A	mx1.nate.com
117.53.116.17	A	mi.nate.com
117.53.116.19	A	mailimg.nate.com
117.53.117.12	A	news.nate.com
117.53.117.12	A	ps.news.nate.com
117.53.117.12	A	weather.nate.com
117.53.117.17	PTR	nv.empas.com
117.53.117.54	A	newsrank.nate.com
117.53.117.176	A	newsrank1.nate.com
117.53.119.25	A	shop.nate.com
117.53.119.26	A	shopping.nate.com
117.53.119.26	A	m.shopping.nate.com
117.53.122.26	A	app.pann.nate.com
117.53.122.26	A	pann.nate.com
117.53.122.26	A	video.cyworld.com
117.53.126.42	A	rx.skcomms.co.kr
117.53.126.43	A	tx.skcomms.co.kr