Robtex

Up: 211.47.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 211.47.128.0/20
Down right: 211.47.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.47.128.1	A	dnss.nanumhouse.net
211.47.128.1	A	ns1.as9701.krline.net
211.47.128.1	A	ns1.krline.net
211.47.128.131	A	mail.wneng.com
211.47.128.131	A	ns.wneng.com
211.47.128.135	A	s101.krline.net
211.47.128.137	A	parfe.org
211.47.128.229	A	ankpro.co.kr
211.47.128.229	A	andreaplus.com
211.47.128.243	A	beautec.com
211.47.128.243	A	host1.krline.net
211.47.130.212	A	mail.whobull.com
211.47.130.219	A	mail.ahranta.com
211.47.130.220	A	mail.ahranta.co.kr
211.47.130.221	A	pointlock.co.kr
211.47.132.29	A	mail.telcoin.com
211.47.133.117	A+PTR	mailoxy.dartz.com
211.47.133.186	A	mail.misotoyou.com
211.47.133.186	A	mail.yohi.kr
211.47.133.196	A+PTR	mail.dartz.com
211.47.133.218	A	www.dartz.com
211.47.133.218	A	misotoyou.com
211.47.133.218	A	dartz.com
211.47.133.233	A+PTR	mail.dartz.com
211.47.133.233	A+PTR	mail.oxy.co.kr
211.47.133.238	A	www.dartz.co.kr
211.47.134.193	A	sever2003.smls.co.kr
211.47.134.193	A	exchange2010.smls.co.kr
211.47.134.193	A	smls.co.kr
211.47.137.11	A	modoopanel.com
211.47.137.20	A	smtp.modoosoft.com
211.47.137.40	A	smtp.denvy.net
211.47.137.40	A	smtp.lovelski.com
211.47.137.75	A	mail.alt-x.net
211.47.137.108	A	smtp.modoosoft.com
211.47.137.124	A	smtp.modoooffice.com
211.47.140.198	A	opportunitykorea.com
211.47.140.202	A	antispam.fnf.co.kr
211.47.140.202	A	antispam.daejindmp.co.kr
211.47.140.206	A	jungodream.com
211.47.150.233	A	mail.importcar.co.kr
211.47.151.14	A	ikmsp.co.kr
211.47.151.14	A	www.kpicu.or.kr
211.47.151.14	A	kpicu.or.kr
211.47.151.18	A	www.kowpic.kr
211.47.152.12	A	mail.ktaward.com
211.47.154.194	A	mail.keyeast.co.kr
211.47.154.196	A	sms.keyeast.co.kr
211.47.156.170	A	mail.koints.com