Robtex

Up: 211.52.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 211.52.0.0/18
Down right: 211.52.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.52.5.1	PTR	samwhan.co.kr
211.52.5.1	PTR	ns.samwhan.co.kr
211.52.8.252	A	ns.7luck.co.kr
211.52.26.220	A	dc01.ex.hec.co.kr
211.52.51.120	A	manquerfill.us
211.52.61.80	A	dinnovanusa.com
211.52.61.80	A	www.dinnovan.co.kr
211.52.61.80	A	dinnovannet.com
211.52.63.252	A	mail.mondexkorea.com
211.52.64.11	PTR	www.mobiletalk.co.kr
211.52.64.15	A	adrmsplus.com
211.52.64.15	A	adrmsplus.net
211.52.64.15	A	addrm.com
211.52.64.231	A	iqpad.com
211.52.68.180	A	ns.exaenc.com
211.52.68.181	PTR	mail.exaenc.com
211.52.68.181	A+PTR	spam.exaenc.com
211.52.68.181	A	mail.exaenc.net
211.52.68.182	A	spam.exaenc.com
211.52.80.2	A	www.pyungsan.co.kr
211.52.80.2	A	pyungsan.co.kr
211.52.80.3	A	pyungsan.co.kr
211.52.82.31	A	www.hanwhasonsa.co.kr
211.52.88.67	A	zettasys.com
211.52.88.67	A	www.shg.co.kr
211.52.88.67	A	shg.co.kr
211.52.88.69	PTR	mail.shg.co.kr
211.52.88.75	A	mail.shg.co.kr
211.52.96.98	A	gw.wizit.com
211.52.98.100	PTR	mail.msinternet.co.kr
211.52.98.100	A+PTR	ns1.msinternet.co.kr
211.52.98.100	A	www.ijinmyung.net
211.52.98.101	PTR	ns2.msinternet.co.kr
211.52.98.155	A	nonameapp.com
211.52.105.131	A	sniper.vegemil.co.kr
211.52.105.135	A	mailsvr.vegemil.co.kr
211.52.105.135	A	svrmail.vegemil.co.kr
211.52.107.131	A	ns.icfood.com
211.52.107.131	A	ns.ipalatech.com
211.52.107.131	A	ipalatech.com
211.52.108.200	A	0000.co.kr
211.52.108.200	A	a-shin.com
211.52.109.2	A	jsl.co.kr
211.52.109.2	A	www.sharpseck.co.kr
211.52.109.2	A	sharpseck.co.kr
211.52.109.5	A	spam.sharpseck.co.kr
211.52.113.140	PTR	mail.kowon.com
211.52.113.140	PTR	mail.kowontec.com
211.52.113.140	PTR	mail.kowontech.com
211.52.116.226	A	pictosoft.co.kr
211.52.127.67	A	www.mcustoms.co.kr
211.52.127.67	A	mcustoms.co.kr
211.52.127.67	A	movemax.co.kr