Robtex

Up: 211.255.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 211.255.200.0/22
Down right: 211.255.204.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
211.255.200.145	A	fundonlinekorea.com
211.255.200.145	A	fundonline.co.kr
211.255.200.145	A	www.fosskorea.com
211.255.200.241	A	xn--jj0bo6h03nyyfbjr92cba.com
211.255.200.241	A	fndatacenter.com
211.255.201.22	A	leadingotc.com
211.255.201.102	A	www.leadingkorea.co.kr
211.255.201.102	A	www.leadingkorea.com
211.255.201.102	A	leadingfund.co.kr
211.255.202.80	A+PTR	meritzsec.com
211.255.202.80	PTR	www.imeritz.co.kr
211.255.202.80	PTR	www.meritzcs.co.kr
211.255.202.90	A	ums.imeritz.com
211.255.203.81	A+PTR	mail.ihanyang.co.kr
211.255.203.81	A+PTR	mail.hygood.co.kr
211.255.203.250	A	r2official.com
211.255.204.92	A	spam.ibks.com
211.255.204.120	PTR	ibkis.com
211.255.204.120	PTR	www.ibkis.com
211.255.204.123	A+PTR	ibkis.net
211.255.204.123	PTR	www.ibkis.net
211.255.204.126	A+PTR	ibks.com
211.255.204.126	A+PTR	m.ibks.com
211.255.204.126	A+PTR	www.ibks.com
211.255.204.201	A	eversafe.co.kr
211.255.204.206	A	koscom.co.kr
211.255.204.206	A	www.koscom.co.kr
211.255.204.206	A	stock.koscom.co.kr
211.255.204.209	A	ns.koscom.co.kr
211.255.204.210	A	ns2.koscom.co.kr
211.255.204.244	PTR	gw.taurus.co.kr
211.255.204.244	A+PTR	mail.taurus.co.kr
211.255.204.247	PTR	ems.taurus.co.kr
211.255.204.249	PTR	mx.taurus.co.kr
211.255.204.251	A+PTR	mx2.taurus.co.kr
211.255.205.181	A	ns2.korea-stock.com
211.255.205.185	A	e-rkc.co.kr
211.255.205.185	A	e-rkc.com
211.255.205.185	A	www.e-rkc.com
211.255.205.187	A	mail.e-rkc.com
211.255.206.30	PTR	www.xn--2o2bi6c2sr41b.com
211.255.206.30	A+PTR	www.xn--2o2bi6c2sr41b.kr
211.255.206.30	PTR	varostock.kr
211.255.206.116	A	bqs.or.kr