Robtex

Up: 211.39.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 211.39.240.0/21
Down right: 211.39.248.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.39.241.1	A	ns.tectool.co.kr
211.39.241.9	A	gw.cretec.kr
211.39.241.9	A	gw.tectool.co.kr
211.39.241.28	A	yongtool.com
211.39.241.28	A	lkkorea.net
211.39.241.28	A	wava.co.kr
211.39.241.59	A	toolmagazine.kr
211.39.241.59	A	www.toolmagazine.kr
211.39.241.59	A	chegim.co.kr
211.39.241.61	PTR	spam.cretec.kr
211.39.241.65	A+PTR	ums.cretec.kr
211.39.241.100	A	ns.tectool.co.kr
211.39.241.100	A	ns2.cretec.kr
211.39.241.100	A	ns2.tectool.co.kr
211.39.245.220	A+PTR	smtp.dreamline.co.kr
211.39.253.10	PTR	m3.dothost.co.kr
211.39.253.10	A	no7.dothost.co.kr
211.39.253.10	A	direxkorea.com
211.39.253.11	PTR	m4.dothost.co.kr
211.39.253.22	A+PTR	m12.dothost.co.kr
211.39.253.22	A	m1.dothost.co.kr
211.39.253.22	A	m5.dothost.co.kr
211.39.253.42	A	dc-e25ebbfa.novelatte.net
211.39.253.42	A	gaysauna.webtizen.kr
211.39.253.42	A	greenadis.com
211.39.253.50	A	badajs.co.kr
211.39.253.51	PTR	no7.dothost.co.kr
211.39.253.51	A	ns1.sitenow.co.kr
211.39.253.51	A	ns2.webtizen.kr
211.39.253.53	PTR	no9.dothost.co.kr
211.39.253.65	PTR	m14.dothost.co.kr
211.39.253.65	A	mail.hansol.biz
211.39.253.65	A	mail.webmailtest.com
211.39.253.66	PTR	m1.webtizen.kr
211.39.253.82	A	bs3m.com
211.39.253.82	A	dna-square.com
211.39.253.82	A	mozorisin.com
211.39.253.100	PTR	t1.dothost.co.kr
211.39.253.100	A	seoinkorea.com
211.39.253.100	A	no11.dothost.co.kr
211.39.253.101	PTR	t2.dothost.co.kr
211.39.253.125	A	xn--2s2b17vba474a8vh.com
211.39.253.128	A	root.ns.ecardsite.net
211.39.253.131	PTR	win1.dothost.co.kr
211.39.253.131	A	mynarae.com
211.39.253.131	A	haa.bz
211.39.253.132	PTR	win2.dothost.co.kr
211.39.253.148	A	webmail2.dothost.co.kr
211.39.253.154	A	youngjew.com
211.39.253.154	A	nobliandeco.com
211.39.253.154	A	daehantc.co.kr
211.39.253.163	A	howmanuworks.com
211.39.253.165	A	designfixed.com
211.39.253.165	A	php7.dothost.co.kr
211.39.253.173	A	madepoongnyun.com
211.39.253.185	A	dc-c6c76ca39185.kuroi-neko.kr
211.39.253.185	A	dkdwio2.com
211.39.253.185	A	dc-5d5b7ceea07b.goriza.net
211.39.253.190	A	direxkorea.com
211.39.253.191	A	direxkorea.com
211.39.253.200	A	whfnb.com
211.39.253.232	A	www.xn--9d0bv6dr5t4qu.com
211.39.253.232	A	100lotto.co.kr
211.39.253.232	A	xn--o39a31o08jqbx17dq2s.com