Robtex

Up: 211.248.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 211.249.0.0/17
Down right: 211.249.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.249.44.217	A+PTR	cvsmtppost033.nm.naver.com
211.249.44.241	A+PTR	cvsmtppost033.nm.naver.com
211.249.45.201	A+PTR	cvsmtppost002.nm.naver.com
211.249.45.203	A+PTR	cvsmtppost006.nm.naver.com
211.249.45.205	A+PTR	cvsmtppost010.nm.naver.com
211.249.45.206	A	cvsmtppost012.nm.naver.com
211.249.48.148	A	slb-215179.ncloudslb.com
211.249.49.10	A	api.stage31.net
211.249.49.20	A	textfactory.ai
211.249.49.21	A	www.uic.me
211.249.49.21	A	gurum.me
211.249.50.17	A	gnbmembers.com
211.249.50.23	A	hotsgo.com
211.249.50.23	A	www.hotsgo.com
211.249.50.25	A	edongne.net
211.249.51.76	A	slb-202733.ncloudslb.com
211.249.51.136	A	ugtslzsgei285716.cdn.ncloud.com
211.249.51.137	A	ugtslzsgei285716.cdn.ncloud.com
211.249.51.199	A	ns1.gov-ntruss.com
211.249.51.206	A+PTR	ns1.ntruss.com
211.249.52.123	A	slb-330685.ncloudslb.com
211.249.52.123	A	justoon.co.kr
211.249.52.153	A	slb-330685.ncloudslb.com
211.249.52.224	A	slb-349873.ncloudslb.com
211.249.53.161	A	styledo.net
211.249.53.161	A	thestylewish.com
211.249.53.199	A	slb-335790.ncloudslb.com
211.249.53.232	A	slb-349873.ncloudslb.com
211.249.59.8	A	www.fin-ncloud.grm.ncloud.com
211.249.59.8	A	fin-ncloud.com
211.249.59.16	A	elsa-col.ncloud.com
211.249.59.32	A	naveropenapi.apigw.ntruss.com
211.249.60.19	A	webrtc-sangsang-coding.com
211.249.60.26	A	www.chak.it
211.249.60.26	A	chak.it
211.249.60.27	A	www.woongjin.co.kr
211.249.61.15	A	kkuiacuc.org
211.249.61.37	A	stayhealingpark.com
211.249.61.37	A	dfdlifeculture.com
211.249.61.37	A	thestayhealingpark.com
211.249.62.23	A	www.ohseon.com
211.249.62.23	A	error.ohseon.com
211.249.62.33	A	onedays.kr
211.249.62.35	A	company.ai
211.249.62.58	A	www.chak.it
211.249.62.58	A	chak.it
211.249.63.6	A+PTR	com-home.co.kr
211.249.63.6	A	www.comdoctor.com
211.249.63.6	A	edmspay.com
211.249.64.171	A	7878hanmei.com
211.249.64.171	A	7878korea.com
211.249.99.134	A	mail.sestkorea.com
211.249.99.134	A	mail.e-seshin.co.kr
211.249.118.2	A+PTR	ns.kbi.or.kr
211.249.118.2	A	118.249.211.in-addr.arpa
211.249.118.5	A+PTR	sniper.kbi.or.kr
211.249.118.13	A	mail2.kbi.or.kr
211.249.122.12	A	rdns2.dreamline.co.kr
211.249.129.199	A	www.goodfriend.ga
211.249.129.199	A	rainbi.ml
211.249.129.199	A	www.rainbi.ml
211.249.153.52	A	aladdinpost.com
211.249.200.132	A	display.ad.g.daum.net
211.249.201.71	A	docuconv.mail.daum.net
211.249.216.4	A	smusic.melon.com
211.249.216.5	A	share-location.map.kakao.com
211.249.216.7	A	static.melon.co.kr
211.249.216.7	A	image.melon.co.kr
211.249.219.23	A	t1.int.daumcdn.net
211.249.219.24	A	t1.int.kakaocdn.net
211.249.220.22	A	tts-dic.daum.net
211.249.220.24	A	daum.net
211.249.220.136	A	mail.daum.net
211.249.220.200	A	dic.daum.net
211.249.221.2	A	nvpf-connection-93l4depi.kgslb.com
211.249.221.25	A	engine.map.kakao.com
211.249.221.27	A	kakaocorp.com
211.249.221.27	A	kakaotalk.com
211.249.222.34	A	pipl.co.kr
211.249.222.34	A	mnetv.com
211.249.222.72	A	kkoimg.melon.co.kr
211.249.226.107	A	uuuot.com
211.249.226.114	A	fxwk123.com
211.249.226.122	A	allin-games.com
211.249.226.123	A	qhrmf8.com