Robtex

Up: 203.238.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.238.224.0/20
Down right: 203.238.240.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.238.227.75	PTR	star.mbc.co.kr
203.238.227.79	A	nhome.mbc.co.kr
203.238.227.79	A	home.mbc.co.kr
203.238.227.91	PTR	urisori.co.kr
203.238.227.91	PTR	www.urisori.co.kr
203.238.227.100	A+PTR	ns.mbc.co.kr
203.238.227.100	A	mbcinternet.com
203.238.227.100	A	mbcam.co.kr
203.238.227.101	PTR	rose1.mbc.co.kr
203.238.227.101	A	insa.mbc.co.kr
203.238.227.199	PTR	insa.mbc.co.kr
203.238.228.6	PTR	hanul.mbc.co.kr
203.238.228.131	A	hanul.mbc.co.kr
203.238.228.134	A	hanul.mbc.co.kr
203.238.233.183	PTR	jangdol
203.238.234.5	A	ns.mbcarthall.com
203.238.234.5	A	ns.bsmbc.kr
203.238.234.5	A	ns.psmbc.co.kr
203.238.234.77	A	bsmbc.co.kr
203.238.234.77	A	bsmbc.com
203.238.234.77	A	bsmbc.kr
203.238.235.6	A	ns.dgmbc.com
203.238.235.7	A	ns2.dgmbc.com
203.238.235.18	A	mail.dgmbc.com
203.238.235.18	A	mail.tgmbc.co.kr
203.238.238.13	A	mail.jmbc.co.kr
203.238.243.25	A	ns.ulsanmbc.co.kr
203.238.243.25	A	ns.usmbc.co.kr
203.238.247.5	A	mbcys.com
203.238.247.5	A	ysmbc.co.kr
203.238.250.43	A+PTR	cjmbcmail.cjmbc.co.kr
203.238.250.240	PTR	sbg.cjmbc.co.kr