Robtex

Up: 211.231.108.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 211.231.108.0/25
Down right: 211.231.108.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.231.108.14	A	smtp.hanmail.net
211.231.108.16	A	navisdk-api.gl.kakao.com
211.231.108.17	A	shopping-order.gl.kakao.com
211.231.108.20	A	story.kakao.com
211.231.108.22	A	checkout-web.gl.kakao.com
211.231.108.23	A	billing-web.gl.kakao.com
211.231.108.23	A	billing-service.gl.kakao.com
211.231.108.26	A	ota.i.kakao.com
211.231.108.35	A	mail2.daum.net
211.231.108.41	A	cfs2.flvs.daum.net
211.231.108.45	A+PTR	alt.aspmx.daum.net
211.231.108.46	A+PTR	mx1.hanmail.net
211.231.108.47	A+PTR	mx3.hanmail.net
211.231.108.68	A	chart-finance.daumcdn.net
211.231.108.69	A	t.kakao.com
211.231.108.75	A	start.tiara.g.daum.net
211.231.108.77	A	finance-service.daum.net
211.231.108.82	A	webid.gl.kakao.com
211.231.108.82	A	webid.ad.daum.net
211.231.108.91	A	promotion.kakao.com
211.231.108.91	A	events.kakao.com
211.231.108.92	A	sb-talk.kakao.com
211.231.108.94	A	sell.gl.kakao.com
211.231.108.97	A	niniz.kakao.com
211.231.108.135	A	cmail.daum.net
211.231.108.139	A	download.bigmail.daum.net
211.231.108.143	A	story.kakao.com
211.231.108.146	A	dkpg-web.payments.gl.kakao.com
211.231.108.147	A	web.payments.gl.kakao.com
211.231.108.151	A	tistory.com
211.231.108.152	A	jeju.kakao.com
211.231.108.153	A	addrbook.daum.net
211.231.108.158	A	mail2.daum.net
211.231.108.159	A	docuconv.mail.daum.net
211.231.108.161	A	miznet.daum.net
211.231.108.165	A	ot1.maps.daum-img.net
211.231.108.165	A	ot0.maps.daum-img.net
211.231.108.165	A	ot2.maps.daum-img.net
211.231.108.169	A	blog.daum.net
211.231.108.174	A+PTR	aspmx.daum.net
211.231.108.175	A+PTR	mx2.hanmail.net
211.231.108.176	A+PTR	mx4.hanmail.net
211.231.108.177	A	map3.daum.net
211.231.108.180	A	comm-auth-web.kakao.com
211.231.108.181	A	potplayer.daum.net
211.231.108.192	A	cms.imageon.daum.net
211.231.108.194	A	ac-talk.gl.kakao.com
211.231.108.198	A	www.agit.in
211.231.108.199	A	get.daum.net